H. Cao and R. P. H. Chang, Novel Applications of ZnO: Random lasing and UV Photonic Light Sources, Chap. 5 in "Handbook of Luminescent Semiconductor Materials", ed. L. Bergman and J. L. McHale, CRC Press, Taylor & Francis Group, pp. 125-143 (2012).

H. Cao, Lasing in Random Media, Chap. 12 in "Optical Processes in Microparticles and Nanostructures", ed. A. Serpenguzel and A. W. Poon, World Scientific, Advanced Series in Applied Physics Vol. 6, pp. 205-251 (2011).

Jan Wiersig, Julia Unterhinninghofen, Qinghai Song, Hui Cao, Martina Hentshel, Susumu Shinohara, Review on unidirectional light emission from ultralow-loss modes in deformed microdisks, Chapter 4 in ," Trends in Nano- and Micro-Cavities," ed. O' Dae Kwon, Byoungho Lee, Kyungwon An, Bentham Science Publisher Ltd., pp. 109-152 (2010). [Click here to Download]

H. Cao, Lasing in Random Media, Chap. 11 in "Tutorials in Complex Photonic Media," ed. M. A. Noginov, M. W. McCall, G. Dewar, and N. I. Zheludev, SPIE Press, Bellingham, WA, 301-358 (2009).

H.Cao, Lasing in Disordered Media, in "Progress in Optics," ed. E. Wolf, North-Holland, 2003, vol. 45.

H. Cao, Random Lasers with Coherent Feedback, in "Optical Properties of Nanostructured Random Media," eds. V. M. Shalaev, Springer-Verlag, 2002. [Click here to Download]

Y. Yamamoto, F. Tassone, and H. Cao, Semiconductor Cavity Quantum Electronics, Springer-Verlag, 2000.
(http://link.springer-ny.com/link/service/series/0426/tocs/t0169.htm)

H. Cao, Review on Latest developments in random lasers with coherent feedback, J. Phys. A: Math. Gen., vol. 38, pp. 10497-10535, Nov. 2005. [Click here to Download]

H. Cao, Random lasers: development, features, and applications, Opt. Photon. News, vol. 16, pp. 24-29, Jan. 2005. [Click here to Download]

H. Cao, Lasing in Random Media, Waves in Random Media, vol. 13, pp. R1-R39, June 2003. [Click here to Download]

Jonathan Andreasen, Numerical Studies of Lasing and Electromagnetic Fluctuations in Open Complex Systems, Ph.D. diss., Northwestern University, 2009. [Click here to Download]

Heeso Noh, Optical Properties of Nanostructures: from Random to Periodic, Ph.D. diss., Northwestern University, 2009. [Click here to Download]

Xiaohua Wu, Study of Lasing in Random and Periodic Systems, Ph.D. diss., Northwestern University, 2007. [Click here to Download]

Wei Fang, From Regularity to Chaos: Studies on Semiconductor Microdisks and Deformed Microdisk Lasers, Ph.D. diss., Northwestern University, 2006. [Click here to Download]

Journal Covers

2009 Physical Review Letters	2007 IEEE Lasers and Electro-Optics Society News	2005 Journal of Physics A	2004 Proceedings of the National Academy of Sciences
2010 Physical Review Letters	2010 Advanced Materials (Frontispiece)	2010 Applied Physics Letters

Journal Papers

135. Jacob Trevino, Seng Fatt Liew, Heeso Noh, Hui Cao and Luca Dal Negro, "Geometrical structure, multifractal spectra and localized optical modes of aperiodic Vogel spirals", Optics Express, vol. 19, 23631, 2011. [Click here to Download]

134. Q. H. Song, Li Ge, J. Wiersig, J.-B. Shim, J. Unterhinninghofen, A. Eberspacher, W. Fang, G. S. Solomon and Hui Cao, "Wavelength-scale deformed microdisk lasers", Phys. Rev. A, vol. 20, 3015, 2012. [Click here to Download]

133. Seng Fatt Liew, Jin-Kyu Yang, Heeso Noh, Carl F. Schreck, Eric R. Dufresne, Corey S. O'Hern, and Hui Cao, "Photonic band gaps in three-dimensional network structures with short-range order", Phys. Rev. A, vol. 84, 063818, 2011. [Click here to Download]

132. Maria E. McNamara, Derek E. G. Briggs, Patrick J. Orr, Sonja Wedmann, Heeso Noh, Hui Cao, "Fossilized Biophotonic Nanostructures Reveal the Original Colors of 47-Million-Year-Old Moths", PLOS Biology, vol. 9, e1001200, 2011. [Click here to Download]

131. Seng Fatt Liew, Heeso Noh, Jacob Trevino, Luca Dal Negro, and Hui Cao, "Localized photonic band edge modes and orbital angular momenta of light in a golden-angle spiral", Optics Express, vol. 19, 23631, 2011. [Click here to Download]

130. Jeong-Bo Shim, Jan Wiersig, and Hui Cao, "Whispering gallery modes formed by partial barriers in ultrasmall deformed microdisk", Phys. Rev. E, vol. 84, 035202, 2011. [Click here to Download]

129. Maria E. McNamara, Derek E. G. Briggs, Patrick J. Orr, Heeso Noh and Hui Cao, "The original colours of fossil beetles", Proc. R. Soc. B, doi: 10.1098/rspb.2011.1677 [Click here to Download]

128. Jin-Kyu Yang, Heeso Noh, Seng Fatt Liew, Michael J. Rooks, Glenn S. Solomon, and Hui Cao, "Lasing modes in polycrystalline and amorphous photonic structures", Phys. Rev. A, vol. 84, 033820, 2011. [Click here to Download]

127. Heeso Noh, Jin-Kyu Yang, Seng Fatt Liew, Michael J. Rooks, Glenn S. Solomon, and Hui Cao, "Photonic network laser", Opt. Lett. , vol. 36, 3560, 2011. [Click here to Download]

126. Brandon Redding, Michael A. Choma, and Hui Cao, "Spatial coherence of random laser emission", Opt. Lett. , vol. 36, 3404, 2011. [Click here to Download]

125. Jason D. Forster, Jin-Gyu Park, Manish Mittal, Heeso Noh, Carl F. Schreck, Corey S. O’Hern, Hui Cao, Eric M. Furst, and Eric R. Dufresne, "Assembly of Optical-Scale Dumbbells into Dense Photonic Crystals", ACS Nano, vol. 5, 6695, 2011. [Click here to Download]

124. Sabine Auer, Wenjie Wan, Xu Huang, Ainissa G. Ramirez and Hui Cao, "Morphology-induced plasmonic resonances in silver-aluminium alloy thin films", Appl. Phys. Lett. , vol. 99, 041116, 2011. [Click here to Download]

123. Jin-Kyu Yang, Heeso Noh, Michael J. Rooks, Glenn S. Solomon, Frank Vollmer, and Hui Cao, "Lasing in localized modes of a slow light photonic crystal waveguide", Appl. Phys. Lett. , vol. 98, 241107, 2011. [Click here to Download]

122. Qinghai Song, and Hui Cao, "Highly directional output from long-lived resonances in optical microcavity", Opt. Lett. , vol. 36, 103, 2011. [Click here to Download]

121. Zin Lin, Hamidreza Ramezani, Toni Eichelkraut, Tsampikos Kottos, Hui Cao and Demetrios N. Christodoulides, "Unidirectional Invisibility Induced by PT-Symmetric Periodic Structures", Phys. Rev. Lett. , vol. 106, 213901, 2011. [Click here to Download]

120. Heeso Noh, Jin-Kyu Yang, Svetlana V. Boriskina, Michael J. Rooks, Glenn S. Solomon, Luca Dal Negro, and Hui Cao, "Lasing in Thue-Morse structures with optimized aperiodicity", Appl. Phys. Lett. , vol. 98, 201109, 2011. [Click here to Download]

119. H. Noh, J.-K. Yang, S. F. Liew, M. J. Rooks, G. S. Solomon, H. Cao, "Control of Lasing in Biomimetic Structures with Short-Range Order", Phys. Rev. Lett., vol. 106, 183901, May 2011. [Click here to Download]

118. S. F. Liew, J. Forster, H. Noh, C. F. Schreck, V. Saranathan, X. Lu, L. Yang, R. O. Prum, C. S. O’Hern, E. R. Dufresne, and H. Cao, "Short-range order and near-field effects on optical scattering and structural coloration", Optics Express, vol. 19, 8208, April 2011. [Click here to Download]

117. Jacob Trevino, Hui Cao, and Luca Dal Negro "Circularly Symmetric Light Scattering from Nanoplasmonic Spirals", Nano Lett., dx.doi.org/10.1021/nl2003736, 2011. [Click here to Download]

116. Yong-Le Pan, Matthew J. Berg, Samuel Shao-Min Zhang, Heeso Noh, Hui Cao, Richard K. Chang, Gorden Videen "Measurement and Autocorrelation Analysis of Two-Dimensional Light-Scattering Patterns from Living Cells for Label-Free Classification", Cytometry A, vol. 79, 284, Mar 2011. [Click here to Download]

115. Wenjie Wan, Yidong Chong, Li Ge, Heeso Noh, A. Douglas Stone, Hui Cao, "Time-Reversed Lasing and Interferometric Control of Absorption", Science, vol 331, 889, 2011. [Click here to Download] [Supporting Materials]

114. J. Andreasen and H. Cao, "Spectral behaviour of partially pumped weakly scattering random lasers", Optics Express, vol. 19, 3418, Feb 2011. [Click here to Download]

113. Kathleen L. Prudic, Cheonha Jeon, Hui Cao and Antónia Monteiro, "Developmental Plasticity in Sexual Roles of Butterfly Species Drives Mutual Sexual Ornamentation", Science, vol 331, 73, 2011. [Click here to Download]

112. J. Andreasen and H. Cao, "Numerical study of amplified spontaneous emission and lasing in random media", Phys. Rev. A, vol. 82, 063835, 2010. [Click here to Download]

111. Jin-Kyu Yang, Carl Schreck, Heeso Noh, Seng-Fatt Liew, Mikhael I. Guy, Corey S. O’Hern, and Hui Cao, "Photonic-band-gap effects in two-dimensional polycrystalline and amorphous structures", Phys. Rev. A, vol. 82, 053838, 2010. [Click here to Download]

110. Jin-Kyu Yang, Svetlana V. Boriskina, Heeso Noh, Michael J. Rooks, Glenn S. Solomon, Luca Dal Negro, and Hui Cao, "Demonstration of laser action in a pseudorandom medium", Appl. Phys. Lett. , vol. 97, 223101, 2010. [Click here to Download]

109. J. Andreasen, A. A. Asatryan, L. C. Botten, M. A. Byrne, H. Cao, L. Ge, L. Labonté, P. Sebbah, A. D. Stone, H. E. Türeci, and C. Vanneste, "Modes of random lasers", Adv. Opt. Photon., vol. 3, 88, 2011. [Click here to Download]

108. Ben Payne, Jonathan Andreasen, Hui Cao, and Alexey Yamilov, "Relation between transmission and energy stored in random media with gain", Phys. Rev. B, vol. 82, 104204, Sept. 2010. [Click here to Download]

107. Q. H. Song, L. Ge, A. D. Stone, H. Cao, J. Wiersig, J.-B. Shim, J. Unterhinninghofen, W. Fang, and G. S. Solomon, "Directional Laser Emission from a Wavelength-Scale Chaotic Microcavity", Phys. Rev. Lett., vol. 105, 103902, Aug. 2010. [Click here to Download]

106. Q. H. Song and H. Cao, "Improving Optical Confinement in Nanostructures via External Mode Coupling", Phys. Rev. Lett., vol. 105, 053902, Jul. 2010. [Click here to Download]

105. Y. D. Chong, L. Ge, H. Cao, and A. D. Stone, " Coherent Perfect Absorbers: Time-Reversed Lasers", Phys. Rev. Lett., vol. 105, 053901, Jul. 2010. [Click here to Download]

104. H. Noh, J.-K. Yang, I. Vitebskiy, A. Figotin, and H. Cao, "Giant resonances near the split band edges of two-dimensional photonic crystals", Phys. Rev. A, vol. 82, 013801, Jul. 2010. [Click here to Download]

103. B. Payne, H. Cao, A. Yamilov, "Criterion for light localization in random amplifying media", Physica B, vol. 405, 3012, Jul. 2010. [Click here to Download]

102. Y. Zhang, S.-W. Ryu, C. Yerino, B. Leung, Q. Sun, Q. Song, H. Cao, and J. Han, "A conductivity-based selective etching for next generation GaN devices", Phys. Status Solidi B, vol. 247, 1713, Jul. 2010. [Click here to Download]

101. Vinodkumar Saranathan, Chinedum O. Osuji, Simon G. J. Mochrie, Heeso Noh, Suresh Narayanan, Alec Sandy, Eric R. Dufresne, and Richard O. Prum, "Structure, function, and self-assembly of single network gyroid (I4132) photonic crystals in butterfly wing scales ", PNAS, vol. 107, 11676, Jun. 2010. [Click here to Download]

100. H. Noh, S. F. Liew, V. Saranathan, R. O. Prum, S. G. J. Mochrie, E. R. Dufresne, and H. Cao, "Contribution of double scattering to structural coloration in quasi-ordered nanostructures of bird feathers", Phys. Rev. E, vol. 81, 051923, May 2010. [Click here to Download]

99. H. Noh, S. F. Liew, V. Saranathan, R. O. Prum, S. G. J. Mochrie, E. R. Dufresne, and H. Cao, "Double Scattering of Light from Biophotonic Nanostructures with Short-Range Order", Optics Express, vol. 18, 11942, May 2010. [Click here to Download]

98. J. D. Forster, H. Noh, S. F. Liew , V. Saranathan , C. F. Schreck, L. Yang, J.-G. Park, R. O. Prum, S. G. J. Mochrie , C. S. O’Hern , H. Cao, and E. R. Dufresne, "Biomimetic Isotropic Nanostructures for Structural Coloration ", Adv. Mater. , vol. 22, 2939, Apr. 2010. DOI: 10.1002/adma.200903693. [Click here to Download]

97. H. Noh, S. F. Liew, V. Saranathan, R. O. Prum, S. G. J. Mochrie, E. R. Dufresne, and H. Cao, "How non-iridescent colors are generated by quasi-ordered structures of bird feathers", Adv. Mater., vol. 22, 2871, Apr. 2010. DOI: 10.1002/adma.200903699. [Click here to Download]

96. J. Andreasen, C. Vanneste, L. Ge, and H. Cao, "Effects of spatially nonuniform gain on lasing modes in weakly scattering random systems" , Phys. Rev. A , vol. 81, 043818, Apr. 2010. [Click here to Download]

95. S. F. Liew and H. Cao, "Optical properties of 1D photonic crystals with correlated and uncorrelated disorder", J. Opt., vol. 12, 024011, Jan. 2010. [Click here to Download]

94. M. Scharrer, H. Noh, X. Wu, M. A. Anderson, A. Yamilov, H. Cao and R. P. H. Chang, "Five-fold reduction of lasing threshold near the first GL-pseudogap of ZnO inverse opals ", J. Opt., vol. 12, 024007, Jan. 2010. [Click here to Download]

93. J. Andreasen and H. Cao, "Creation of New Lasing Modes with Spatially Nonuniform Gain,", Opt. Lett., vol. 34, p. 3586, Nov. 2009. [Click here to Download]

92. Q. Song, W. Fang, B. Liu, S. T. Ho, G. S. Solomon, and H. Cao, " Chaotic microcavity laser with high quality factor and unidirectional output", Phys. Rev. A, vol. 80, 041807, Oct. 2009. [Click here to Download]

91. J. Andreasen, H. Cao, J. Wiersig, and A. E. Motter, "Marginally Unstable Periodic Orbits in Semiclassical Mushroom Billiards," Phys. Rev. Lett., vol. 103, p. 154101, Oct. 2009. [Click here to Download]

90. D.-K. Hwang, H. Noh, H. Cao, and R. P. H. Chang, "Photonic bandgap engineering with inverse opal multistacks of different refractive index contrasts," Appl. Phys. Lett., vol. 95, p. 091101, Aug. 2009. [Click here to Download]

89. J. Andreasen and H. Cao, "Finite-difference time-domain formulation of stochastic noise in macroscopic atomic systems," J. Lightwave Technol., vol. 27, pp. 4530-4535, Aug. 2009. [Click here to Download]

88. E. R. Dufresne, H. Noh, V. Saranathan, S. G. J. Mochrie, H. Cao, and R. O. Prum, "Self-assembly of amorphous biophotonic nanostructures by phase separation," Soft Matter, 5, 1792, Mar. 2009. [Click here to Download]

87. M. V. Erementchouk, L. I. Deych, H. Noh, H. Cao, and A. A. Lisyansky, "Radiative energy transfer in disordered photonic crystals," J. Phys.: Condens. Matter, 21, 175401, Mar. 2009. [Click here to Download]

86. Q. Song, H. Cao, S. T. Ho, and G. S. Solomon. "Near-IR Subwavelength Microdisk Lasers," Appl. Phys. Lett., 94, 061109, Feb. 2009. [Click here to Download]

85. H. Noh, M. Scharrer, M. A. Anderson, R. P. H. Chang, and H. Cao, "Photoluminescence modification by a high-order photonic band with abnormal dispersion in ZnO inverse opal," Phys. Rev. B 77, 115136, Mar. 2008. [Click here to Download]

84. J. Andreasen, H. Cao, A. Taflove, P. Kumar, and C. Q. Cao, "Finite-difference time-domain simulation of thermal noise in open cavities," Phys. Rev. A 77, 023810, Feb. 2008. [Click here to Download]

83. X. Wu and H. Cao, "Statistical studies of random-lasing modes and amplified spontaneous-emission spikes in weakly scattering systems," Phys. Rev. A 77, 013832, Jan. 2008. [Click here to Download]

82. X. Wu and H. Cao, "Statistics of random lasing modes in weakly scattering systems," Opt. Lett. 32, 3089, Nov. 2007. [Click here to Download]

81. X. Wu, J. Andreasen, H. Cao, and A. Yamilov, "Effect of local pumping on random laser modes in one dimension," J. Opt. Soc. Am. B 24, A26, Oct. 2007. [Click here to Download]

80. W. Fang and H. Cao, "Wave interference effect on polymer microstadium laser," Appl. Phys. Lett. 91, 041108, July 2007. [Click here to Download]

79. D. A. Genov, K. Seal, X. Zhang, V. M. Shalaev, A. K. Sarychev, Z. C. Ying, and H. Cao, "Collective electronic states in inhomogeneous media at critical and subcritical metal concentrations," Phys. Rev. B. 75, 201403(R), May 2007. [Click here to Download]

78. C. Vanneste, P. Sebbah, and. H. Cao, "Lasing with resonant feedback in weakly scattering random systems," Phys. Rev. Lett. vol. 98, 143902, Apr. 2007. [Click here to Download]

77. Z. G. Xie, S. Goetzinger, W. Fang, H. Cao, and G. S. Solomon, "Influence of a Single Quantum Dot State on the Characteristics of a Microdisk Laser," Phys. Rev. Lett. vol. 98, 117401, Mar. 2007. [Click here to Download]

76. H. Cao, W. Fang, E. E. Narimanov, V. A. Podolskiy, and G. S. Solomon, "Chaotic microcavity lasers," IEEE LEOS Newsletters, vol. 21, pp. 4-10, Feb. 2007. [Click here to Download]

75. W. Fang, H. Cao, and G. S. Solomon, "Control of lasing in fully chaotic open microcavities by tailoring the shape factor," Appl. Phys. Lett. vol. 90, 081108, Feb. 2007. [Click here to Download]

74. A. Yamilov and H. Cao, "Effect of amplification on conductance distribution of a disordered waveguide," Phys. Rev. E, vol. 74, 056609, Nov. 2006. [Click here to Download]

73. K. Seal, D. A. Genov, A. K. Sarychev, H. Noh, V. M. Shalaev, Z. C. Ying, X. Zhang, and H. Cao, "Coexistence of localized and delocalized surface plasmon modes in percolating metal films," Phys. Rev. Lett., vol. 96, 206103, Nov. 2006. [Click here to Download]

72. X. Wu, W. Fang, A. Yamilov, A. A. Chabanov, A. A. Asatryan, L. C. Botten, and H. Cao, "Random lasing in weakly scattering systems," Phys. Rev. A, vol. 74, 053812, Nov. 2006. [Click here to Download]

71. D. A. Genov, K. Seal, A. K. Sarychev, H. Noh, V. M. Shalaev, Z. C. Ying, X. Zhang, and H. Cao, "Surface Plasmon delocalization by short-range correlations in percolating metal systems," Appl. Phys. B: Lasers and Optics, vol. 84, pp. 205-210,  May 2006. [Click here to Download]

70. M. Scharrer, X. Wu, A. Yamilov, H. Cao, and R.P.H. Chang,"Ultraviolet Lasing in High-Order Bands of Three-Dimensional ZnO Photonic Crystals," Appl. Phys. Lett. vol. 88, 201103, May 2006.[Click here to Download]

69. C. Q. Cao, X. W. Fu, and H. Cao, "Non-Markovian study of relativistic magnetic-dipole spontaneous emission of hydrogen-like atoms," Phys. B: At. Mol. Opt. Phys. vol. 39, pp. 2071, Apr. 2006. [Click here to Download]

68. A. Yamilov, X. Wu, X. Liu, R. P. H. Chang, and H. Cao, "Self-Optimization of Optical Confinement in an Ultraviolet Photonic Crystal Slab Laser," Phys. Rev. Lett. vol. 96, 083905, Mar. 2006. [Click here to Download]

67. V. M. Markushev, M. V. Ryzhkov, Ch. M. Briskina, and H. Cao, "UV radiation of powdered ZnO pumped by nanosecond pulses," Laser Phys. vol. 15, pp. 1611-1616, Nov. 2005. [Click here to Download]

66. A. Yamilov, X. Wu, H. Cao, and A. L. Burin, "Photonic band structure of ZnO photonic crystal slab laser," J. Appl. Phys., vol. 98, 103102, Nov. 2005.[Click here to Download]

65. A. Yamilov, X. Wu, H. Cao, and A. L. Burin, "Absorption-induced confinement of lasing modes in diffusive random medium," Opt. Lett., vol. 30, pp. 2430-2432, Sept. 2005. [Click here to Download]

64. W. Fang, A. Yamilov, and H. Cao, "Analysis of high-quality modes in open chaotic microcavities," Phys. Rev. A., vol. 72, pp. 023815, Aug. 2005.[Click here to Download]

63. W. Fang, H. Cao, V. A. Podolskiy, E. E. Narimanov, "Dynamical localization in microdisk lasers," Opt. Express, vol. 13, pp. 5641-5652, July 2005. [Click here to Download]

62. K. Seal, A. K. Sarychev, H. Noh, A. Yamilov, V. M. Shalaev, Z. C. Ying, H. Cao, "Near-field intensity correlations in semicontinuous metal-dielectric films," Phys. Rev. Lett., vol. 94, 226101, June 2005. [Click here to Download]

61. Z. Xie, W. Fang, H. Cao, and G. S. Solomon, "Regrowth dynamics of InAs quantum dots on the GaAs circular mesa," J. Crystal Growth, vol. 278, pp. 342-345, May 2005. [Click here to Download]

60. M. Scharrer, X. Wu, A. Yamilov, H. Cao, and R.P.H. Chang, "Fabrication of inverted opal ZnO photonic crystals by atomic layer deposition," Appl. Phys. Lett. vol. 86, 151113, Apr. 2005. [Click here to Download]

59. A. Y. Yamilov, S.-H. Chang, A. L. Burin, A. Taflove, and H. Cao, "Field and intensity correlations in amplifying random media," Phys. Rev. B, vol. 71, 092201, Mar. 2005. [Click here to Download]

58. Chang-qi Cao, Xiao-wei Fu, H. Cao,  "Non-Markovian theory of relativistic electric-dipole spontaneous emission of hydrogen-like atomes," J. Opt. B,  vol. 7, pp. 43-53, Jan. 2005. [Click here to Download]

57. W. Fang, D. B. Buchholz, R. C. Bailey, J. T. Hupp, R. P. H. Chang, H. Cao, "Detection of Chemical Species Using Ultraviolet Microdisk Lasers," Appl. Phys. Lett. vol. 85, pp. 3666-3668, Oct. 2004. [Click here to Download]

56. X. Wu, A. Yamilov, X. Liu, S. Li, V. P. Dravid, R. P. H. Chang and H. Cao,  "Ultraviolet photonic crystal laser," Appl. Phys. Lett.,  vol. 85, pp. 3657-3659, Oct. 2004. [Click here to Download]

55. A. Yamilov and H. Cao, "Effects of localization and amplification on intensity distribution of light transmitted through random media," Phys. Rev. E, vol. 70, pp. 037603, Sept. 2004. [Click here to Download]

54. V. A. Podolskiy, E. E. Narimanov, W. Fang, and H. Cao,  "Chaotic Microlasers based on dynamical localization," Proc. Nat. Aca. Sci.,  vol. 101, pp.10498-10500, July 2004.[Click here to Download]

53. S.-H. Chang, A. Y. Yamilov, A. L. Burin, H. Cao, and A. Taflove,  "Numerical study of light correlations in a random medium close to Anderson localization threshold," Opt. Lett.,  vol. 29, pp. 917-919, May 2004. [Click here to Download]

52. X. Liu, W. Fang, Y. Huang, X. H. Wu, S. T. Ho, H. Cao, R. P. H. Chang,  "Optically-pumped ultraviolet microdisk laser on a silicon substrate," Appl. Phys. Lett.,  vol. 84, pp. 2488-2490, Apr. 2004. [Click here to Download]

51. X. Jiang, J. Zi, S. Feng, C. M. Soukoulis, J. D. Joannopoulos, H. Cao,  "Coupling, competition, and stability of modes in random lasers," Phys. Rev. B,  vol. 69, p.104202, Mar. 2004. [Click here to Download]

50. X. Liu, W. H. Wu, H. Cao, and R. P. H. Chang,  "Growth mechanism and properties of ZnO nanorods synthesized by plasma-enhanced chemical vapor deposition," J. Appl. Phys., vol. 95, pp. 3141-3147, Mar. 2004. [Click here to Download]

49. A. Yamilov and H. Cao,  "Highest-quality modes in disordered photonic crystals," Phys. Rev. A, vol. 69, p. 031803(R), Mar. 2004. [Click here to Download]

48. Xiaohua Wu, Alexey Yamilov, Hesso Noh, H. Cao, Eric W. Seelig, R. P. H. Chang "Random lasing in closely packed resonant scatterers," J. Opt. Soc. Am. B, vol. 21, p. 159-167, Jan. 2004. [Click here to Download]

47. A. L. Burin, H. Cao, G. C. Schatz, M. A. Ratner, "High-quality optical modes in low-dimensional arrays of nanoparticles: application to random lasers," J. Opt. Soc. Am. B, vol. 21, p. 121-131, Jan. 2004. [Click here to Download]

46. L. I. Deych, M. V. erementchouk, A. A. Lisyansky, A. Yamilov, H. Cao, "Statistics of transmission in one-dimensional disordered systems: Universal characteristics of states in the fluctuation tails," Phys. Rev. B, vol. 68, p. 174203, Nov. 2003. [Click here to Download]

45. M. A. Webster, K. J. Webb, A. M. Weiner, J. Xu, H. Cao, "Temporal response of a random medium from speckle intensity frequency correlations," J. Opt. Soc. Am. A, vol. 20, p. 2057-2070, Nov. 2003. [Click here to Download]

44. H. Cao, Y. Ling, J. Y. Xu, A. L. Burin, R. P. H. Chang, "Lasing with resonant feedback in random media," Physica B, vol. 338, p. 215-218, Oct. 2003. [Click here to Download]

43. Alexander L. Burin, H. Cao, Mark A. Ratner "Understanding and control of random lasing," Physica B, vol. 338, p. 212-214, Oct. 2003. [Click here to Download]

42. Alexey Yamilov, Hui Cao, "Density of resonant states and manifestation of photonic band structure in small clusters of spherical particles," Phys. Rev. B, vol. 68, p. 085111- 085115, Aug. 2003. [Click here to Download]

41. B. Liu, A. Yamilov, H. Cao, "Effect of Kerr nonlinearity on defect lasing modes in weakly disordered photonic crystals," Appl. Phys. Lett., vol. 83, p. 1092-1094, Aug. 2003. [Click here to Download]

40. B. Liu, A. Yamilov, Y. Ling, J. Y. Xu,  H. Cao, "Dynamic Nonlinear effect on lasing in a random media," Phys. Rev. Lett., vol. 91, p. 063903-063906, Aug. 2003. [Click here to Download]

39. Eric W. Seelig, Betty Tang, Alexey Yamilov, Hui Cao, R. P. H. Chang, "Self-assembled 3D photonic crystals from ZnO colloidal spheres," Materials Chemistry and Physics, vol. 80, p. 257-263, April 2003. [Click here to Download]

38. H. Cao, X. Y. Jiang, Y. Ling, J. Y. Xu, C. M. Soukoulis, "Mode repulsion and mode coupling in random laser," Phys. Rev. B, vol. 67, p. 161101-161104, April 2003. [Click here to Download]

37. C. Q. Cao, C. G. Yu, H. Cao, "Spontaneous emission of an excited two-level atom without both rotating-wave and Markovian approximation," Eur. Phys. J. D, vol. 23, p. 279-284, Feb. 2003.  [Click here to Download]

36. S. H. Chang, H. Cao, S. T. Ho, "Cavity Formation and Light Propagation in Partially Ordered and Completely Random One-Dimensional Systems," IEEE Journal of Quantum Electronics, vol. 39, p. 364-374, Feb. 2003. [Click here to Download]

35. A. L. Burin, H. Cao, M. A. Ratner, "Two Photon Pumping of a Random Laser," IEEE Journal of selected topics in quantum electronics, vol. 9, p. 124-127, Feb. 2003. [Click here to Download]

34. H. Cao, J. Y. Xu, Y. Ling, A. L. Burin, E. W. Seeling, X. Liu, R. P. Chang, "Random Laser With Coherent Feedback," IEEE Journal of selected topics in quantum electronics, vol. 9, p. 111-119, Jan. 2003. [Click here to Download]

33. C. Q. Cao, J. R. Tian, H. Cao, "Non-Markovian correlation function and direct analysis of spontaneous emission of an excited two-level atom," Phys. Lett. A, vol.303, p. 318-327, Oct. 2002.  [Click here to Download]

32. H. Cao, Y. Ling, J. Y. Xu, and A. L. Burin, "Probing localized states with spectrally resolved speckle techniques," Phys. Rev. E, vol. 66, p. R25601-25604, Aug. 2002. [Click here to Download]

31. W. Fang, J. Y. Xu, A. Yamilov, and H. Cao, "Large enhancement of spontaneous emission rates of InAs quantum dots in GaAs microdisks," Optics Letters, vol. 27, p.948-950, Jun. 2002. [Click here to Download]

30. A. L. Burin, Mark A. Ratner, H. Cao, and S. H. Chang, "Random Laser in One Dimension," Phys. Rev. Lett., vol. 88, p. 93904-93907, Mar. 2002. [Click here to Download]

29. C. M. Soukoulis, X. Jiang, J. Y. Xu, and H. Cao, "Dynamic response and relaxation oscillation in random lasers," Phys. Rev. B, vol. 65, p. R41103-41106, Jan. 2002. [Click here to Download]

28. J. K. Wei, W. Long, C. Q. Cao, and H. Cao, "Quantum stochastic trajectory theory of a microsuperradiant laser," Phys. Lett. A, vol.291, p. 208-214, Dec. 2001. [Click here to Download]

27. Y. Ling, H. Cao, A. L. Burin, M. A. Ratner, X. Liu, and R. P. H. Chang, "Investigation of random lasers with resonant feedback," Phys. Rev. A, vol. 64, p. 63808-63815, Nov. 2001. [Click here to Download]

26.  A. L. Burin, M. A. Ratner, H. Cao, and R.P.H. Chang, "Model for a random laser," Phys. Rev. Lett., vol. 87, p. 5503-5506, Nov. 2001. [Click here to Download]

25. C. Q. Cao, W. Long, J. K. Wei, and H. Cao, "Non-Markovian Correlation Spectra and Quantum Stochastic Trajectory Analysis of Spontaneous Emission of an Excited Two-Level Atom," Phys. Rev. A, vol. 64, p. 43810-43818, Oct. 2001. [Click here to Download]

24. Y. Jin, B. Zhang, S. Yang, Y. Wang, J. Chen, H. Zhang, C. Huang, C. Q. Cao, H. Cao, R. P. H. Chang, "Room temperature UV emission of MgZnO films," Solid State Commun., Vol. 119, p. 409-413, July 2001. [Click here to Download]

23. H. Cao, J. Y. Xu, Y. Ling, S.-H. Chang, S. T. Ho, E. W. Seelig, X.Liu, and R. P. H. Chang, "Random lasers with coherent feedback," in Photonic Crystals and Light Localization in the 21^st Century, edited by C. M. Soukoulis, p. 389-404, Kluwer, Dordrecht, 2001.

22. K. J. Luo, J. Y. Xu, H. Cao, Y. Ma, S.H. Chang, S.T. Ho, and G.S. Solomon, "Ultrafast dynamics of InAs/FaAs quantum dot microdisk lasers," Applied Physics Lett., vol. 78, 3397-3399, May 2001. [Click here to Download]

21. H. Cao, Y. Ling, J.Y. Xu, C.Q. Cao, and P. Kumar, "Photon Statistics of Random Lasers with Resonant Feedback," Physical Review Lett., vol. 86, 4524-4527, May 2001. [Click here to Download]

20. C. Q. Cao, H. Cao, Y. X. Liu, "Quantum statistical theory of fluorescence of low density Frenkel excitons in a crystal slab," Phys. Rev. B, vol. 62, p. 16453-16473, Dec. 2000. [Click here to Download]

19. K. J. Luo, J. Y. Xu, and H. Cao, "Dynamics of GaAs/AlGaAs Microdisk lasers," Applied Physics Lett., vol. 77, 2304-2306, Oct. 2000. [Click here to Download]

18. G. T. Kiehne, M. Z. Lin, G. Wang, W. H. Xiang, H. Cao, J. B. Ketterson, "A pulser for Medium-Frequency Modulated Direct-current Reactive Sputter Deposition of Insulators," Rev. Sci. Instrum, vol. 71, p. 2560-2562, June 2000. [Click here to Download]

17. H. Cao, J. Y. Xu, W.H. Xiang, Y. Ma S.-H. Chang, S. T. Ho and G.S. Solomon, "Optically pumped InAs quantum dot microdisk lasers," Applied Physics Lett., vol. 76, 3519-3521, June 2000. [Click here to Download]

16. H. Cao, J. Y. Xu, S.-H. Chang, S. T. Ho, E. W. Seelig, X. Liu, and R. P. H. Chang, "Spatial Confinement of Laser Light in Active Random Media," Phys. Rev. Lett., vol. 84, p. 5584-5587, June 2000. [Click here to Download]

15. H. Cao, J. Y. Xu, E.W. Seelig, and R.P.H. Chang, "Microlaser made of disordered media," Applied Physics Lett., vol. 76, 2997-2999, May 2000. [Click here to Download]

14. Y. X. Liu, C. Q. Cao, H. Cao, "Effect of the exciton-exciton interaction on resonance fluorescence of excitons in a quantum well," Phys. Rev. A., vol. 61, p. 23,802-23,808, Feb. 2000. [Click here to Download]

13. H. Cao, J. Y. Xu, S.-H. Chang, and S. T. Ho, "Transition from Amplified Spontaneous Emission to Laser Action in Strongly Scattering Media," Physical Review E, vol. 61, 1985-1989, Feb. 2000. [Click here to Download]

12. H. Cao, D. B. Hall, J. M. Torkelson, and C. Q. Cao, "Large Enhancement of Second Harmonic Generation in Polymer Films by Microcavities," Appl. Phys. Lett., vol. 76, p. 538-540, Jan. 2000. [Click here to Download]

11. S. Jiang, S. Machida, Y. Takiguchi, Y. Yamamoto, and H. Cao, "Direct Time Domain Observation of Exciton-Polariton Oscillation in a Semiconductor Microcavity," Superlattices and Microstructures, vol. 26, p. 73-82, Aug. 1999.

10. H. Cao, Y. G. Zhao, X. Liu, E. W. Seelig, R. P. H. Chang, "Effect of External Feedback on Lasing in Random Media," Appl. Phys. Lett., vol. 75, p. 1213-1215, Aug. 2000. [Click here to Download]

9. C. Q. Cao, and H. Cao, "Line Profile and Additional Broadening in a Dissipative Medium," J. Opt. B: Quantum Semiclass Opt., vol. 1, p. 325-331, June 1999.

8. H. Cao, Y. G. Zhao, H. C. Ong, and R. P. H. Chang, "Far-field Characteristics of Random Lasers," Phys. Rev. B, vol. 59, p. 15107-15111, June 1999. [Click here to Download]

7. Y.  Zhao, W. Han, J. Song, X. Li, Y. Liu, D. Gao, G. Du, H. Cao, and R. P. H. Chang, "Spontaneous Emission Factor for Semiconductor Superluminescent Diodes," J. Appl. Phys., vol. 85, p. 3945-3948, Apr. 1999. [Click here to Download]

6. H. Cao, Y. Zhao, S. T. Ho, E. W. Seelig, Q. H. Wang, R. P. H. Chang, "Random Laser Action in Semiconductor Powder," Phys.  Rev. Lett., vol. 82, p. 2278-2281, Mar. 1999. [Click here to Download]

5. H. Cao, "Microcavity Exciton-Polariton," in Coherent Control in Atoms, Molecules, and Semiconductors, edited by W. Poetz, and A. Schroeder (Kluwer, Dordrecht, 1999), p. 157-168.

4. H. Cao, Y. G. Zhao, H. C. Ong, S. T. Ho, J. Y. Dai, J. Y. Wu, and R. P. H. Chang, "Ultraviolet Lasing in Resonators Formed by Scattering in Semiconductor Polycrystalline Films," Appl. Phys. Lett., vol. 73, p. 3656-3658, Dec. 1998. [Click here to Download]

3. S. Jiang, S. Machinda, Y. Takiguchi, Y. Yamamoto, and H. Cao, "Direct time-domain observation of transition from strong to weak coupling in a semiconductor microcavity," Appl. Phys. Lett., vol. 73, p. 3031-3033, Nov. 1998. [Click here to Download]

2. H. Cao, J. Y. Wu, H. C. Ong, J. Y. Dai, and R. P. H. Chang, "Second Harmonic Generation in Laser Ablated Zinc Oxide Thin Films," Appl. Phys. Lett., vol. 73, p. 572-574, Aug. 1998. [Click here to Download]

1. S. Jiang, S. Machida, Y. Takiguchi, H. Cao, and Y. Yamamoto, "Wide band AC balanced homodyne detection of weak coherent pulses," Opt. Commun., vol. 145, p. 91-94, Jan. 1998. [Click here to Download]

66. "Microscopes and Math Reveal a Moth's True Hue," The New York Times, Nov. 2011.

65. "Moth fossils show their colours," Nature, Nov. 2011.

64. "Fossil Moths Show Their True Colors," Science Daily, Nov. 2011.

63. "Moth's True Colors Shine After 47 Million Years," Wired Science, Nov. 2011.

62. "Psychedelic-Colored Insects Flew Ancient Skies," Discovery, Nov. 2011.

61. "An Ancient Moth, Now in Full Color," Science, Nov. 2011.

60. "Ancient moth sported a green sheen," Nature, Nov. 2011.

59. "Feather Nanostructures Inspire Two Laser Designs," OPN, Oct. 2011.

58. "GaAs/InAs nanolasers inspired by brightly-coloured birds," Compound Semiconductor, Oct. 2011.

57. "True Colors of Ancient Beetles Revealed," LiveScience, Sept. 2011.

56. "Prehistoric Beetles Sported Hotrod Colors," Discovery News, Sept. 2011.

55. "Fossil beetles show true colours," BBC News, Sept. 2011.

54. "ScienceShot: Coloring in Prehistoric Bugs," Science, Sept. 2011.

53. "Time-reversed "Anti-Laser" Controls Light Absorption," Optics & Photonics News, June 2011.

52. "New laser is from the birds," ScienceNews, May 2011.

51. "Pigment-Free Feathers Inspire Mirrorless Laser," Photonics.com, May 2011.

50. "Fundamental optical physics: Uncovering superabsorption," Nature Photonics News and Views, May 2011.

49. "Brightly Colored Bird Feathers Inspire New Kind of Laser," Wired Science, May 2011.

48. "Bird feathers inspire mirrorless laser," Physics, American Physical Society, May 2011.

47. "LASER PHYSICS: Yale 'anti-laser' absorbs light," OptoIQ, April 2011.

46. "Physics Professors Create First-Ever Antilaser," Processor.com, March 2011.

45. "'Anti-laser' built for first time ," NewScientist, Feb. 2011.

44. "The Anti-Laser's Light-Swallowing Act," Technology News, Feb. 2011.

43. "Beam Bagged: "Reverse Laser" Functions as Near-Perfect Light Absorber," Scientific American, Feb. 2011.

42. "Physicists reverse the laser," Nature news, Feb. 2011.

41. "Antilaser Invented," IEEE Spectrum, Feb. 2011.

40. "Antilaser sucks up light," Science News, Feb. 2011.

39. "Physicists create 'anti-laser'," Physics World, Feb. 2011.

38. "A Dazzling Show Inside a Laser, but a Vacuum of Light Outside," The New York Times, Feb. 2011.

37. "Physicists Build World's First Antilaser," Wired Science, Feb. 2011.

36. "Scientists build the world's first anti-laser," BBC News Technology, Feb. 2011.

35. "Male and female butterflies 'take turns courting'," BBC Earth News, Jan. 2011.

34. "Confining light for use in nanophotonic devices," PhysOrg.com, Aug. 2010.

33. "'Anti-laser' traps all incoming light ," New Scientist, Aug. 2010.

32. "Backward lasing yields a perfect absorber," Physics Viewpoint, Jul. 2010.

31. "Behold, the antilaser," Science News, Jul. 2010.

30. "Butterflies: Science On The Wing," WBUR & NPR, Jul. 2010.

29. "Butterfly Wing Colors Come From Space-Age Structures," Wired Science, Jun. 2010.

28. "How butterfly wings build their color," Los Angeles Times, Jun. 2010.

27. "Unfolding the Colorful Architecture of Butterflies," The New York Times, Jun. 2010.

26. "The Time-Reversed Laser to See the Light," Technology Review, Mar. 2010.

25. "Optical Mushroom: A New Trick for Directional Emission," Yale SEAS News & Events, Oct. 2009.

24. "Structural colour in bird feathers," Science Literature, Apr. 2009.

23. "Bird Feathers Produce Color Through Structure Similar To Beer Foam," PhysOrg.com, Apr. 2009.

22. "Subwavelength all-dielectric disk laser is mass-manufacturable," Laser Focus World, pp. 13, Mar. 2009.

21. "Photonic Crystal Laser Generates Ultraviolet Output," Photonics Spectra, vol. 39, pp. 21-22, Jan. 2005.

20.  "ZnO photonic-crystal laser emits in the UV," Laser Focus World, vol. 41, Jan. 2005.

19.  "Silicon-based microdisk laser detects molecules," OE Magazine, vol. 4, pp. 10, July 2004.

18.  "Microdisk laser creates tiny sensor," Opto & Laser Europe Magazine, and its sister website www.optics.org, April 2004.

17.  "Microlasers in a semiconductor powder," Physics News in 2000, APS news, Jan. 2001.

16.  "Disorderly crystals produce laser light," Technology World, Photonics Spectra, pp. 26, Jan. 2001.

15.  "Laser aleatoire," Pour La Science, vol. 276, pp. 22, Oct. 2000.

14.  "Microlasers," Physics Update, Physics Today. vol. 53, no. 7, pp. 9, July 2000.

13.  "The smallest random laser," Nature, vol. 406, pp. 132-125, July 13, 2000.

12. "Microlasers precipitate action," The Economist, pp. 129, May 27, 2000.

11. "Making light of it," New Scientist, vol. 166, No. 2240, pp. 21, May 27, 2000.

10. "Tiny powder laser sources could have many commercial uses," News & Analysis, Photonics Online, May 2000.

9.  "Powder laser," Physics News in 1999, APS news, Jan. 2000.

8. "Powder laser," Physics Update, Physics Today, vol. 52, no. 6, pp. 9, June 1999.

7. "Disordered films, powders exhibit lasing capabilities," Photonics Spectra, vol. 33, no. 2, pp. 24, Feb. 1999.

6. "Lasing in powders offers LED challenge," III-Vs Review, vol. 12, no. 1, Jan/Feb 1999.

5. "Laser light from a handful of dust," Science, vol. 284, pp. 24, April 2, 1999.

4. "Disordered medium emits UV laser light," Chemical and Engineering News, vol. 77, no. 1, pp. 20, Jan. 4, 1999.

3. "New light on making of lasers, Northwestern magic does it without mirrors," Chicago Tribune, Jan. 2, 1999.

2.  "Powder lases in the ultraviolet," Opto & Laser Europe Magazine, pp. 15, Nov. 1998.

1. "UV lasing in semiconductor polycrystalline films," Recent Research, Optics and Photonics News, vol. 9, No. 8, pp. 56, Aug. 1998.