Faculty Publications - Constance Chang-Hasnain

Book chapters or sections

• E. Wong, X. Zhao, C. Chang-Hasnain, W. Hofmann, and M. C. Amann, "Applications of 1.55 mu m optically injection-locked VCSELs in wavelength division multiplexed passive optical networks (Invited Paper)," in Optical Transmission, Switching, and Subsystems V, D. Chiaroni, W. Gu, K. Kitayama, and C. S. Park, Eds., Proceedings of SPIE, Vol. 6783, Bellingham, WA: SPIE -- Society of Photo-Optical Instrumentation Engineers, 2007, pp. 678832M1-13.
• G. Hasnain, C. Chang-Hasnain, A. Dienes, and J. R. Whinnery, "Integrated optical circuits using doping superlattices," in Integrated Optical Circuit Engineering V, M. A. Mentzer, Ed., Proceedings of SPIE, Vol. 0835, Bellingham, WA: SPIE -- Society of Photo-Optical Instrumentation Engineers, 1987, pp. 49-52. [abstract]

Articles in journals or magazines

• W. Yang, J. Ferrara, K. Grutter, A. Yeh, C. Chase, Y. Yue, A. E. Willner, M. C. Wu, and C. Chang-Hasnain, "Low loss hollow-core waveguide on a silicon substrate," Nanophotonics, vol. 1, no. 1, pp. 23--29, Jan. 2012. [abstract]
• Y. Zhou, M. C. Y. Huang, and C. Chang-Hasnain, "Tunable VCSEL with ultra-thin high contrast grating for high-speed tuning," Optics Express, vol. 16, no. 18, pp. 14221-14226, Sep. 2008.
• M. Moewe, L. C. Chuang, V. G. Dubrovskii, and C. Chang-Hasnain, "Growth mechanisms and crystallographic structure of InP nanowires on lattice-mismatched substrates," J. Applied Physics, vol. 104, no. 4, pp. 044313-1-4, Aug. 2008.
• M. Moewe, L. C. Chuang, S. Crankshaw, C. Chase, and C. Chang-Hasnain, "Atomically sharp catalyst-free wurtzite GaAs/AlGaAs nanoneedles grown on silicon," Applied Physics Letters, vol. 93, no. 2, pp. 023116-1-3, July 2008.
• E. Wong, X. Zhao, and C. Chang-Hasnain, "Upstream vertical cavity surface-emitting lasers for fault monitoring and localization in WDM passive optical networks," Optics Communications, vol. 281, no. 8, pp. 2218-2226, April 2008.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "Single mode high-contrast subwavelength grating vertical cavity surface emitting lasers," Applied Physics Letters, vol. 92, no. 17, pp. 171108-1-3, April 2008.
• E. K. Lau, X. Zhao, H. Sung, D. Parekh, C. Chang-Hasnain, and M. C. Wu, "Strong optical injection-locked semiconductor lasers demonstrating > 100-GHz resonance frequencies and 80-GHz intrinsic bandwidths," Optics Express, vol. 16, no. 9, pp. 6609-6618, April 2008.
• M. C. Y. Huang, C. F. R. Mateus, J. E. Foley, R. Beatty, B. T. Cunningham, and C. Chang-Hasnain, "VCSEL optoelectronic biosensor for detection of infectious diseases," IEEE Photonics Technology Letters, vol. 20, no. 6, pp. 443-445, March 2008.
• X. Zhao and C. Chang-Hasnain, "A new amplifier model for resonance enhancement of optically injection-locked lasers," IEEE Photonics Technology Letters, vol. 20, no. 6, pp. 395-397, March 2008.
• Y. Zhou, M. C. Y. Huang, and C. Chang-Hasnain, "Large fabrication tolerance for VCSELs using high-contrast grating," IEEE Photonics Technology Letters, vol. 20, no. 6, pp. 434-436, March 2008.
• L. C. Chuang, M. Moewe, S. Crankshaw, and C. Chang-Hasnain, "Optical properties of InP nanowires on Si substrates with varied synthesis parameters," Applied Physics Letters, vol. 92, no. 1, pp. 013121-1-3, Jan. 2008.
• B. Pesala, F. G. Sedgwick, A. V. Uskov, and C. Chang-Hasnain, "Electrically tunable fast light at THz bandwidth using cascaded semiconductor optical amplifiers," Optics Express, vol. 15, no. 24, pp. 15863-15867, Nov. 2007.
• X. Zhao, D. Parekh, E. K. Lau, H. K. Sung, M. C. Wu, W. Hofmann, M. C. Amann, and C. Chang-Hasnain, "Novel cascaded injection-locked 1.55-mu m VCSELs with 66 GHz modulation bandwidth," Optics Express, vol. 15, no. 22, pp. 14810-14816, Oct. 2007.
• S. Reitzenstein, S. Munch, C. Hofmann, A. Forchel, S. Crankshaw, L. C. Chuang, M. Moewe, and C. Chang-Hasnain, "Time resolved microphotoluminescence studies of single InP nanowires grown by low pressure metal organic chemical vapor deposition," Applied Physics Letters, vol. 91, pp. 091103-1-3, Aug. 2007.
• S. W. Chang, S. L. Chuang, C. Chang-Hasnain, and H. Wang, "Slow light using spin coherence and V-type electromagnetically induced transparency in [110] strained quantum wells," J. Optical Society of America B: Optical Physics, vol. 24, no. 4, pp. 849-859, April 2007.
• P. C. Ku, C. Chang-Hasnain, and S. L. Chuang, "Slow light in semiconductor heterostructures (Invited Topical Review)," J. Physics D: Applied Physics, vol. 40, no. 5, pp. R93-R107, March 2007.
• M. C. Y. Huang, K. B. Cheng, Y. Zhou, A. Pisano, and C. Chang-Hasnain, "Monolithic integrated piezoelectric MEMS-tunable VCSEL," IEEE J. Selected Topics in Quantum Electronics, vol. 13, no. 2, pp. 374-380, March 2007.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "Nano electro-mechanical optoelectronic tunable VCSEL," Optics Express, vol. 15, no. 3, pp. 1222-1227, Feb. 2007.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "A surface-emitting laser incorporating a high-index-contrast subwavelength grating," Nature Photonics, vol. 1, no. 2, pp. 119-122, Feb. 2007.
• E. Wong, X. Zhao, C. Chang-Hasnain, W. Hofmann, and M. C. Amann, "Rayleigh backscattering and extinction ratio study of optically injection-locked 1.55 mu m VCSELs," Electronics Letters, vol. 43, no. 3, pp. 182-183, Feb. 2007.
• F. G. Sedgwick, B. Pesala, J. Y. Lin, W. S. Ko, X. Zhao, and C. Chang-Hasnain, "THz-bandwidth tunable slow light in semiconductor optical amplifiers," Optics Express, vol. 15, no. 2, pp. 747-753, Jan. 2007.
• L. C. Chuang, M. Moewe, C. Chase, N. P. Kobayashi, C. Chang-Hasnain, and S. Crankshaw, "Critical diameter for III-V nanowires grown on lattice-mismatched substrates," Applied Physics Letters, vol. 90, no. 4, pp. 043115-1-3, Jan. 2007.
• C. Chang-Hasnain and S. L. Chuang, "Slow and fast light in semiconductor quantum-well and quantum-dot devices (Invited Paper)," IEEE/OSA J. Lightwave Technology: Special Issue on Optoelectronics, vol. 24, no. 12, pp. 4642-4654, Dec. 2006.
• B. Pesala, C. Zhangyuan, A. V. Uskov, and C. Chang-Hasnain, "Experimental demonstration of slow and superluminal light in semiconductor optical amplifiers," Optics Express, vol. 14, no. 26, pp. 12968-12975, Dec. 2006.
• R. S. Tucker, P. Ku, and C. Chang-Hasnain, "Slow-light optical buffers: capabilities and fundamental limitations," J. Lightwave Technology, vol. 23, no. 12, pp. 4046-4066, Dec. 2005.
• X. Zhao, P. Palinginis, B. Pesala, C. Chang-Hasnain, and P. Hemmer, "Tunable ultraslow light in vertical-cavity surface-emitting laser amplifier," Optics Express, vol. 13, no. 20, pp. 7899-7904, Oct. 2005.
• G. Piazza, K. Castelino, A. Pisano, and C. Chang-Hasnain, "Design of a monolithic piezoelectrically actuated microelectromechanical tunable vertical-cavity surface-emitting laser," Optics Letters, vol. 30, no. 8, pp. 896-898, April 2005.
• C. F. R. Mateus, M. C. Y. Huang, Y. Deng, A. R. Neureuther, and C. Chang-Hasnain, "Ultrabroadband mirror using low-index cladded subwavelength grating," IEEE Photonics Technology Letters, vol. 16, no. 2, pp. 518-520, Feb. 2004.
• C. Chang-Hasnain, "Tunable VCSEL," IEEE J. Selected Topics in Quantum Electronics, vol. 6, no. 6, pp. 978-987, Nov. 2000.
• W. Yuen, G. S. Li, R. F. Nabiev, J. Boucart, P. Kner, R. J. Stone, D. Zhang, M. Beaudoin, T. Zheng, C. He, K. Yu, M. Jansen, D. P. Worland, and C. Chang-Hasnain, "High-performance 1.6-mu m single-epitaxy top-emitting VCSEL," Electronics Letters, vol. 36, no. 13, pp. 1121-1123, June 2000.
• E. C. Vail, M. S. Wu, G. S. Li, L. Eng, and C. Chang-Hasnain, "GaAs micromachined widely tunable Fabry-Perot filters," Electronics Letters, vol. 31, no. 3, pp. 228-229, Feb. 1995.
• C. Chang-Hasnain, J. P. Harbison, C. Zah, M. W. Maeda, L. T. Florez, N. G. Stoffel, and T. Lee, "Multiple wavelength tunable surface-emitting laser arrays," IEEE J. Quantum Electronics, vol. 27, no. 6, pp. 1368-1376, June 1991.
• C. Chang-Hasnain, J. P. Harbison, G. Hasnain, A. C. Von Lehmen, L. T. Florez, and N. G. Stoffel, "Dynamic, polarization, and transverse mode characteristics of vertical cavity surface emitting lasers," IEEE J. Quantum Electronics, vol. 27, no. 6, pp. 1402-1409, June 1991.
• C. Chang-Hasnain, M. Orenstein, A. Von Lehmen, L. T. Florez, J. P. Harbison, and N. G. Stoffel, "Transverse mode characteristics of vertical cavity surface-emitting lasers," Applied Physics Letters, vol. 57, no. 3, pp. 218-220, July 1990.
• C. Chang-Hasnain, A. Dienes, J. R. Whinnery, W. Streifer, and D. R. Scifres, "Characteristics of the off-centered apertured mirror external cavity laser array," Applied Physics Letters, vol. 54, no. 6, pp. 484-486, Feb. 1989.
• G. Hasnain, C. Chang-Hasnain, A. Dienes, and J. R. Whinnery, "Characteristics of a monolithically integrated doping superlattice optical circuit," Applied Physics Letters, vol. 52, no. 21, pp. 1765-1767, May 1988.
• G. Hasnain, C. Chang-Hasnain, G. H. Doehler, N. M. Johnson, D. Mars, J. N. Miller, and J. R. Whinnery, "High quality selective contacts to n-i-p-i doping superlattices," Journal de Physique Colloque, vol. 48, no. C-5, pp. 605-609, Nov. 1987. [abstract]
• C. Chang-Hasnain, J. Berger, D. R. Scifres, W. Streifer, J. R. Whinnery, and A. Dienes, "High power with high efficiency in a narrow single-lobed beam from a diode laser array in an external cavity," Applied Physics Letters, vol. 50, no. 21, pp. 1465-1467, May 1987.
• C. Chang-Hasnain, G. Hasnain, N. M. Johnson, G. H. Dohler, J. N. Miller, J. R. Whinnery, and A. Dienes, "Tunable electroabsorption in gallium arsenide doping superlattices," Applied Physics Letters, vol. 50, no. 14, pp. 915-917, April 1987.
• G. Hasnain, C. Chang-Hasnain, G. H. Doehler, J. N. Miller, N. M. Johnson, J. R. Whinnery, and A. Dienes, "Tunable absorption and electroluminescence in GaAs doping superlattice," Superlattices and Microstructures, vol. 3, no. 3, pp. 277-282, March 1987. [abstract]
• C. Chang-Hasnain, G. Hasnain, G. H. Doehler, N. M. Johnson, J. N. Miller, J. R. Whinnery, and A. Dienes, "Tunable electroabsorption and electroluminescence in GaAs doping superlattices," Proc. SPIE - The Intl. Society for Optical Engineering, vol. 792, pp. 45-49, March 1987.
• C. Chang-Hasnain, D. F. Welch, D. R. Scifres, J. R. Whinnery, A. Dienes, and R. D. Burnham, "Diffraction-limited emission from a diode laser array in an apertured graded-index lens external cavity," Applied Physics Letters, vol. 49, no. 11, pp. 614-616, Sep. 1986.

Articles in conference proceedings

• B. Pesala, F. G. Sedgwick, W. S. Ko, and C. Chang-Hasnain, "Electrically tunable fast light of 86 fs pulses in semiconductor optical ampliers," in Proc. 2008 OSA Slow and Fast Light (SL '08) Topical Meeting, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• F. G. Sedgwick, B. Pesala, and C. Chang-Hasnain, "Novel Chirp and Compensate Scheme to Enhance Fast Light in a Semiconductor Optical Amplifier (Invited Talk)," in Proc. 2008 Slow and Fast Light (SL '08) Topical Meeting, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• V. Karagodsky, M. C. Y. Huang, and C. Chang-Hasnain, "Analytical solution and design guideline for highly reflective subwavelength gratings," in 2008 Quantum Electronics and Laser Science Conf. (QELS '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• K. Hasebe, X. Zhao, T. Sakaguchi, F. Koyama, C. Chang-Hasnain, N. Nishiyama, C. Caneau, and C. E. Zah, "Bandwidth enhancement with tunable optical equalizer for high speed intensity modulation," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "Ultra thin HCG in a NEMO tunable VCSEL," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "Polarization mode control in high contrast subwavelength grating VCSEL," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• Y. Zhou, M. Moewe, J. Kern, M. C. Y. Huang, and C. Chang-Hasnain, "A novel high-Q resonator using high contrast subwavelength grating," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• F. G. Sedgwick, B. Pesala, and C. Chang-Hasnain, "Chirped-pulse slow and fast light in SOA with a record delay-bandwidth product of 10.7," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• X. Zhao, B. Zhang, L. Christen, D. Parekh, F. Koyama, W. Hofmann, M. C. Amann, A. E. Willner, and C. Chang-Hasnain, "Data inversion and adjustable chirp in 10-Gbps directly-modulated injection-locked 1.55-mu m VCSELs," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• D. Seletskiy, M. P. Hasselbeck, M. Sheik-Bahae, J. G. Cederberg, L. C. Chuang, M. Moewe, and C. Chang-Hasnain, "Observation of THz emission from InAS nanowires," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• M. Moewe, L. C. Chuang, S. Crankshaw, and C. Chang-Hasnain, "Bright photoluminescence from GaAs and InGaAs nanoneedles grown on Si substrates," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• X. Zhao, E. K. Lau, D. Parekh, H. K. Sung, W. Hofmann, M. C. Amann, M. C. Wu, and C. Chang-Hasnain, "107-GHz resonance frequency of 1.55-mu m VCSELs under ultra-high optical injection locking," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• M. C. Tien, A. T. Ohta, K. Yu, L. C. Chuang, A. Jamshidi, S. Neale, C. Hou, C. Chang-Hasnain, and M. C. Wu, "Hybrid microdisk laser on a silicon platform using lateral-field optoelectronic tweezers assembly," in 2008 Conf. on Lasers and Electro-Optics (CLEO '08) Technical Digest, Washington, DC: Optical Society of America, 2008, pp. 2 pg.
• B. Pesala, F. G. Sedgwick, A. V. Uskov, and C. Chang-Hasnain, "Novel chirp-enhanced tunable fast light of ultra-short pulses in semiconductor optical amplifiers," in Proc. 2008 Optical Fiber Communication Conf./National Fiber Optic Engineers Conf. (OFC/NFOEC '08), Washington, DC: Optical Society of America, 2008, pp. 3 pg.
• M. C. Wu, C. Chang-Hasnain, E. K. Lau, and X. Zhao, "High-speed modulation of optical injection-locked semiconductor lasers (Invited)," in Proc. 2008 Optical Fiber Communication Conf./National Fiber Optic Engineers Conf. (OFC/NFOEC '08), Washington, DC: Optical Society of America, 2008, pp. 3 pg.
• B. Zhang, X. Zhao, L. Christen, D. Parekh, W. Hofmann, M. C. Wu, M. C. Amann, C. Chang-Hasnain, and A. E. Willner, "Adjustable chirp injection-locked 1.55-mu m VCSELs for enhanced chromatic dispersion compensation at 10-Gbit/s," in Proc. 2008 Optical Fiber Communication Conf./National Fiber Optic Engineers Conf. (OFC/NFOEC '08), Washington, DC: Optical Society of America, 2008, pp. 3 pg.
• E. K. Lau, H. Sung, X. Zhao, D. Parekh, Y. Chen, C. Chang-Hasnain, and M. C. Wu, "Bandwidth enhancement by optical amplitude and phase modulation of injection-locked semiconductor lasers," in Proc. 2007 IEEE Intl. Topical Meeting on Microwave Photonics (MWP '07), Piscataway, NJ: IEEE Press, 2007, pp. 241-244.
• E. K. Lau, H. Sung, X. Zhao, D. Parekh, C. Chang-Hasnain, and M. C. Wu, "Bandwidth enhancement of electro-absorption modulated lasers by optical injection locking," in Proc. 20th Annual Meeting of IEEE Lasers and Electro-Optics Society (LEOS '07), Piscataway, NJ: IEEE Press, 2007, pp. 188-189.
• X. Zhao, D. Parekh, H. Sung, E. Lau, M. C. Wu, and C. Chang-Hasnain, "Optoelectronic oscillator using injection-locked VCSELs," in Proc. 20th Annual Meeting of IEEE Lasers and Electro-Optics Society (LEOS 2007), Piscataway, NJ: IEEE Press, 2007, pp. 190-191.
• A. V. Uskov, F. G. Sedgwick, B. Pesala, and C. Chang-Hasnain, "Ultrafast nonlinear group index in semiconductor optical amplifiers for slow and fast light," in 2007 OSA Frontiers in Optics (FiO '07) Meeting Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 1 pg.
• E. K. Lau, H. K. Sung, X. Zhao, D. Parekh, C. Chang-Hasnain, and M. C. Wu, "Bandwidth enhancement by optical modulation of injection-locked semiconductor lasers," in 2007 OSA Frontiers in Optics (FiO '07) Meeting Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 1 pg.
• D. Parekh, L. Thylen, and C. Chang-Hasnain, "Metal nanoparticle metamaterials for engineering dielectric constants and their applications to near resonant surface plasmon waveguides," in 2007 OSA Frontiers in Optics (FiO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 1 pg.
• Y. Zhou, M. C. Y. Huang, J. Kern, and C. Chang-Hasnain, "Very large fabrication tolerance of VCSELs using high-contrast subwavelength grating," in 2007 OSA Frontiers in Optics Meeting (FiO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 1 pg.
• S. Crankshaw, S. Reitzenstein, L. C. Chuang, M. Moewe, S. Munch, C. Hofmann, A. Forchel, and C. Chang-Hasnain, "Time-resolved luminescence of epitaxial InP nanowires on (111)Si," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 162-163.
• L. C. Chuang, M. Moewe, S. Crankshaw, C. Chase, and C. Chang-Hasnain, "Epitaxial III-V nanowires on lattice-mismatched substrates by MOCVD," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 94-95.
• C. Chang-Hasnain, "Progress and Prospects of Nano-Optoelectronic Devices for Optical Communications (Invited Talk)," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 67-67.
• D. Parekh, L. Thylen, and C. Chang-Hasnain, "Metal nanoparticle and quantum dot metamaterials for near resonant surface plasmon waveguides," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 150-151.
• F. G. Sedgwick, B. Pesala, A. V. Uskov, and C. Chang-Hasnain, "THz-bandwidth fast light in semiconductor optical amplifiers for two pulses in rapid succession," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 178-179.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "High-speed nano electromechanical optoelectronic tunable VCSEL," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 212-213.
• C. Chang-Hasnain, "Nanowires and nanoneedles (Invited Talk)," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 28-28.
• B. Pesala, F. G. Sedgwick, A. V. Uskov, and C. Chang-Hasnain, "Polarization dependence of THz bandwidth fast light in semiconductor optical amplifiers," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 114-115.
• Y. Zhou, M. C. Y. Huang, J. Kern, and C. Chang-Hasnain, "High-contrast subwavelength grating integrated VCSELs with a large fabrication tolerance," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 250-251.
• C. Chase, M. Huang, L. Chang, M. Moewe, and C. Chang-Hasnain, "Electrical characteristics of GaAs nanoneedles," in Proc. 2007 Intl. Nano-Optoelectronic Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 124-125.
• S. Reitzenstein, S. Crankshaw, S. Munch, L. C. Chuang, M. Moewe, C. Bockler, A. Forchel, and C. Chang-Hasnain, "Time resolved mirco-photoluminescence studies of as-grown and surface passivated InP-nanowires grown by low pressure MOVPE," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 182-183.
• X. Zhao, D. Parekh, E. Lau, H. K. Sung, M. C. Wu, and C. Chang-Hasnain, "High-speed laser transmitters using cascaded optical injection locking," in Proc. 2007 Intl. Nano-Optoelectronics Workshop (iNOW '07), Piscataway, NJ: IEEE Press, 2007, pp. 196-197.
• S. Crankshaw, F. G. Sedgwick, M. Moewe, and C. Chang-Hasnain, "Electron g-factor anisotropy in (110) GaAs quantum wells," in Proc. 2007 Montana Meeting on Fundamental Optical Processes in Semiconductors (FOPS '07), 2007.
• C. Chang-Hasnain, "III-V nanowires on Si for optical interconnects applications (Invited Presentation)," in Proc. 2007 Montana Meeting on Fundamental Optical Processes in Semiconductors (FOPS '07), 2007, pp. 25-25.
• F. G. Sedgwick, B. Pesala, J. Y. Lin, C. Chang-Hasnain, and T. Lin, "Increase of fractional advance in THz-bandwidth fast light by pulse chirping in an SOA," in Proc. 2007 OSA Slow and Fast Light (SL '07) Topical Meeting, Washington, DC: Optical Society of America, 2007, pp. 3 pg.
• B. Pesala, F. G. Sedgwick, A. V. Uskov, C. Chang-Hasnain, and T. H. Lin, "THz tunable slow light and fast light of ultrashort pulses in semiconductor optical amplifiers," in 2007 OSA Slow and Fast Light (SL '07) Topical Meeting, Washington, DC: Optical Society of America, 2007, pp. 3 pg.
• M. Moewe, L. C. Chuang, S. Crankshaw, and C. Chang-Hasnain, "V/III ratio effects on the shape and optical properties of InP nanowires grown on silicon," in Prod. 49th Electronic Materials Conf. (EMC 2007), 2007.
• X. Zhao, D. Parekh, E. K. Lau, H. K. Sung, M. C. Wu, and C. Chang-Hasnain, "Cascaded injection-locked 1.55-mu m VCSELs for high-speed transmission," in 2007 Conf. on Lasers and Electro-Optics (CLEO '07) Postdeadline Papers, Washington, DC: Optical Society of America, 2007, pp. 2 pg.
• Y. Zhou, M. C. Y. Huang, and C. Chang-Hasnain, "Transverse mode control in high-contrast subwavelength grating VCSEL," in 2007 Conf. on Lasers and Electro-Optics (CLEO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 2 pg.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "Nano electromechanical optoelectronic tunable VCSEL," in 2007 Conf. on Lasers and Electro-Optics (CLEO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 2 pg.
• L. C. Chuang, M. Moewe, S. Crankshaw, and C. Chang-Hasnain, "Effects of V/III ratiois for InP nanowires grown on Si substrates," in 2007 Conf. on Lasers and Electro-Optics (CLEO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 820-821.
• S. Crankshaw, S. Reitzenstein, L. C. Chuang, M. Moewe, S. Munch, C. Hofman, M. Lam, A. Forchel, and C. Chang-Hasnain, "Time-resolved spectroscopy of epitaxial InP nanowires," in 2007 Conf. on Lasers and Electro-Optics (CLEO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 822-823.
• B. Pesala, F. G. Sedgwick, and C. Chang-Hasnain, "Ultra high bandwidth THz tunable delays using cascaded semiconductor optical amplifiers," in 2007 Conf. on Lasers and Electro-Optics (CLEO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 1680-1681.
• H. Sung, E. K. Lau, X. Zhao, D. Parekh, C. Chang-Hasnain, and M. C. Wu, "Optically injection-locked optoelectronic oscillators with low RF threshold gain," in 2007 Conf. on Lasers and Electro-Optics (CLEO '07) Technical Digest, Washington, DC: Optical Society of America, 2007, pp. 2 pg.
• F. G. Sedgwick, B. Pesala, J. Y. Lin, W. S. Ko, X. Zhao, and C. Chang-Hasnain, "THz tunable slow light in semiconductor optical amplifiers," in 2007 Conf. on Optical Fiber Communication/National Fiber Optic Engineers Conf. (OFC/NFOEC '07) Technical Digest, Vol. 2, Washington, DC: Optical Society of America, 2007, pp. 416-418.
• E. Wong, X. Zhao, and C. Chang-Hasnain, "Novel fault monitoring and localization scheme in WDM-PONs with upstream VCSEL transmitters," in 2007 Conf. on Optical Fiber Communication/National Fiber Optic Engineers Conf. (OFC/NFOEC '07) Technical Digest, Vol. 2, Washington, DC: Optical Society of America, 2007, pp. 3 pg.
• C. Chang-Hasnain, "Slow and fast light in semiconductors (Invited Paper)," in Proc. 2006 IEEE LEOS Annual Meeting (LEOS '06), Piscataway, NJ: IEEE Press, 2006, pp. 418-419.
• Y. Zhou, M. C. Y. Huang, and C. Chang-Hasnain, "Novel surface emitting laser using high-contrast subwavelength grating," in 2006 IEEE 20th Intl. Semiconductor Laser Conf. Digest, Piscataway, NJ: IEEE Press, 2006, pp. 107-108.
• M. C. Y. Huang, Y. Zhou, and C. Chang-Hasnain, "Nanoscale high-contrast subwavelength grating integrated tunable surface emitting laser," in Proc. 2006 IEEE/LEOS Intl. Conf. on Optical MEMs and Their Applications, Piscataway, NJ: IEEE Press, 2006, pp. 13-14.
• C. Chang-Hasnain, J. R. Whinnery, A. Dienes, W. Streifer, and D. R. Scifres, "Theoretical analysis of the off-centered aperture mirror external cavity laser array," in 1988 Conf. on Lasers and Electro-Optics (CLEO '88) Technical Digest, Vol. 7, Washington, D.C.: Optical Society of America, 1988, pp. 123-123.
• C. Chang-Hasnain, J. R. Whinnery, A. Dienes, J. Berger, D. R. Scifres, and W. Streifer, "Narrow single lobed emission with high power and high efficiency from an external cavity coupled laser array," in 1987 Conf. on Lasers and Electro-Optics (CLEO '87) Technical Digest, Washington, D.C.: Optical Society of America, 1987, pp. 404-404.
• G. Hasnain, C. Chang-Hasnain, and J. R. Whinnery, "Use of doping superlattices for tunable emitters and modulators," in Proc. NSF Workshop on Optical Nonlinearities, Fast Phenomena and Signal Processing, Washington, D.C.: National Science Foundation, 1986, pp. 303-308.

Patents

• C. Chang-Hasnain, C. F. R. Mateus, and M. C. Huang, "Ultra broadband mirror using subwavelength grating," U.S. Patent 7,304,781. Dec. 2007. [abstract]
• C. J. Chang-Hasnain and P. Ku, "Variable semiconductor all-optical buffer using slow light based on electromagnetically induced transparency," U.S. Patent 7,038,827. May 2006.
• C. J. Chang-Hasnain and P. Ku, "Variable semiconductor all-optical buffer using slow light based on electromagnetically induced transparency," U.S. Patent 6,900,920. May 2005.
• S. M. Chase, C. J. Chang-Hasnain, and J. M. Waite, "Apparatus and method for controlled cantilever motion through torsional beams and a counterweight," U.S. Patent 6,813,053. Nov. 2004.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,760,357. July 2004.
• B. T. Cunningham, P. Y. Li, C. Chang-Hasnain, and C. Mateus, "Detection of biochemical interactions on a biosensor using tunable filters and tunable lasers," U.S. Patent Application. May 2003.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,535,541. March 2003.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,493,373. Dec. 2002.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,493,372. Dec. 2002.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,493,371. Dec. 2002.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,490,311. Dec. 2002.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,487,231. Nov. 2002.
• J. Boucart, C. Chang-Hasnain, M. Jansen, R. Nabiev, and W. Yuen, "Vertical cavity apparatus with tunnel junction," U.S. Patent 6,487,230. Nov. 2002.
• C. Chang-Hasnain, R. Dato, P. Worland, and R. Yu, "Hermetically sealed semiconductor laser device," U.S. Patent 6,275,513. Aug. 2001.
• C. Chang-Hasnain, R. Dato, P. Kner, G. S. Li, P. Worland, R. Yu, and W. Yuen, "Monitoring and control assembly for wavelength stabilized optical system," U.S. Patent 6,233,263. May 2001.
• C. Chang-Hasnain, M. Schwager, and R. Yu, "Flexible optical multiplexer," U.S. Patent 6,226,425. May 2001.
• C. Chang-Hasnain, G. Li, and W. Yuen, "Vertical optical cavities produced with selective area epitaxy," U.S. Patent 6,222,871. April 2001.
• D. Sun, C. Chang-Hasnain, and M. Jansen, "Opto-electronic devices with multiple oxide apertures," U.S. Patent Application. March 2001.
• W. Yuen, C. J. Chang-Hasnain, and G. S. Li, "Fabrication of multiple-wavelength vertical-cavity opto-electronic device arrays," U.S. Patent 6,174,749. Jan. 2001.
• Y. Wu and C. J. Chang-Hasnain, "Method for quality control and yield enhancement," U.S. Patent 6,148,268. Nov. 2000.
• S. F. Lim, J. A. Hudgings, K. Lau, and C. J. Chang-Hasnain, "Vertical-cavity surface-emitting laser with an intracavity quantum-well optical absorber," U.S. Patent 6,026,108. Feb. 2000.
• G. S. Li, W. Yuen, and C. J. Chang-Hasnain, "Vertical optical cavities produced with selective area epitaxy," U.S. Patent 5,960,024. Sep. 1999.
• R. F. Nabiev, C. J. Chang-Hasnain, L. E. Eng, and K. Lau, "Monolithic wavelength meter and photodetector using a wavelength dependent reflector," U.S. Patent 5,760,419. June 1998.
• C. J. Chang-Hasnain, E. C. Vail, and M. S. Wu, "High performance micromechanical tunable vertical cavity surface emitting laser," U.S. Patent 5,771,253. June 1998.
• S. F. Lim and C. J. Chang-Hasnain, "Intracavity quantum well photodetector integrated within a vertical-cavity surface-emitting laser and method of operating same," U.S. Patent 5,757,837. May 1998.
• Y. Sun, D. A. Francis, S. A. Biellak, and C. J. Chang-Hasnain, "Semiconductor laser geometry for broad-angle far-field addressing," U.S. Patent 5,627,852. May 1997.
• C. J. Chang-Hasnain, E. C. Vail, and M. S. Wu, "Electrostatically-controlled cantilever apparatus for continuous tuning of the resonance wavelength of a Fabry-Perot cavity," U.S. Patent 5,629,951. May 1997.
• A. E. Willner, C. J. Chang-Hasnain, and J. E. Leight, "One-to-many simultaneous and reconfigurable optical two-dimensional plane interconnections using multiple wavelength, vertical cavity; surface-emitting lasers and wavelength-dependent detector planes," U.S. Patent 5,546,209. Aug. 1996.
• C. J. Chang-Hasnain, Y. Wu, and R. Nabiev, "Single mode laser with a passive antiguide region," U.S. Patent 5,539,759. July 1996.
• C. J. Chang-Hasnain, K. Lau, J. W. Goodman, and A. Varma, "Apparatus and method for routing optical signals through wavelength-coding in a self-routed wavelength addressable network," U.S. Patent 5,541,756. July 1996.
• C. J. Chang-Hasnain, "Monolithic multiple-wavelength laser array," U.S. Patent 5,029,176. July 1991.
• C. J. Chang-Hasnain and E. Kapon, "Cross-coupled quantum-well stripe laser array," U.S. Patent 4,922,500. May 1990.

Talks or presentations

• J. Ferrara and C. Chang-Hasnain, "Low-loss hollow-core waveguide on silicon using high-contrast sub-wavelength grating," presented at Danish-Californian Workshop on Photonic Technologies for Communication and Biophotonics, Berkeley, CA, Jan. 2012.