-1999

Ming Cai, Guido Hunziker, and Kerry J. Vahala, "Fiber-optic add-drop device based on a silica microsphere-whispering gallery mode system" IEEE Photon.Technol. Lett., vol. 11, No. 6, pp. 686-687 (1999)

Roberto Paiella, Guido Hunziker and Kerry J. Vahala, "Quantum-well capture and interwell transport in semiconductor active layers"  Semicond. Sci. Technol., vol.14, pp. R17-R25, (1999)

A. D'Ottavi, P. Spano, Guido Hunziker, Roberto Paiella, R. Dall'Ara, G. Guekos, and Kerry J. Vahala,"Wavelength Conversion at 10 Gb/s by Four-Wave Mixing over a 30-nm Interval," IEEE Photon. Technol. Lett., vol. 10, pp. 952-954, (1998)

Roberto Paiella, Guido Hunziker, Mehrdad Ziari, Atul Mathur, and Kerry J. Vahala, "Wavelength conversion by cavity-enhanced injection-locked four-wave mixing in a fiber-Bragg grating coupled diode laser," IEEE Photonics Technology Letters, vol. 10, pp. 802-804, (1998)

David F Geraghty, Robert B. Lee, M. Verdiell, Mehrdad Ziari, Atul Mathur, and Kerry J. Vahala, "Wavelength conversion for WDM communication systems using four-wave mixing in semiconductor optical amplifiers," IEEE J. Select. Topics Quantum Electron., vol. 3, pp. 1146-1155, (1997)

Robert B. Lee, David F Geraghty, Kerry J.Vahala, and Uzi Koren, "Cascaded wavelength conversion by four-wave mixing in a strained semiconductor optical amplifier at 10 Gb/s," IEEE Photonics Technology Letters, vol. 9, (1997)

Guido Hunziker, Roberto Paiella, Kerry J. Vahala, and Uzi Koren, "Measurement of the stimulated carrier lifetime in semiconductor optical amplifiers by four-wave mixing of polarized ASE noise," IEEE Photonics Technology Letters, vol. 9, pp. 907-909, (1997)

Roberto Paiella, Guido Hunziker, Uzi Koren, and Kerry J. Vahala, "Four-wave mixing mediated by the capture of electrons and holes in semiconductor quantum-well laser amplifiers," Appl. Phys. Lett., vol. 71, pp. 3601-3603, (1997)

Guido Hunziker, Roberto Paiella, Mehrdad Ziari, Atul Mathur, and Kerry Vahala, "Folded-Path Self-Pumped Wavelength Converter Based on Four-Wave Mixing in a Semiconductor Optical Amplifier, " IEEE Photonics Tech. Lett., Vol. 9, No. 10, p. 1352, (1997)

Kerry Vahala, Roberto Paiella, and Guido Hunziker, "Ultrafast WDM Logic," IEEE J. of Select. Topics in Quantum Electronics. Vol. 3, No. 2, p. 698, (1997)

Roberto Paiella, Guido Hunziker, Uzi Koren and Kerry J. Vahala, "Polarization-Dependent Optical Nonlinearities of Multiquantum-Well Laser Amplifiers Studied by Four-Wave Mixing," IEEE J. of Select. Topics in Quantum Electronics. Vol. 3, No. 2, (1997)

David F. Geraghty, Robert B. Lee, and Kerry J. Vahala, "Cascaded Wavelength Conversion by Four-Wave Mixing in Semiconductor Optical Amplifiers at 10 Gb/s," OSA TOPS Vol. 12 Sys. Tech, (1997)

David F. Geraghty, Robert B. Lee, Kerry J. Vahala, Marc Verdiell, Mehrdad Ziari, and Atul Mathur, "Wavelength Conversion up to 18 nm at 10 Gb/s by Four-Wave Mixing in a Semiconductor Optical Amplifier," IEEE Photonics Tech. Lett. Vol. 9, No. 4, (1997)

Polarization-Independent Wavelength Conversion at 2.5 Gb.s by Dual-Pump Four-Wave Mixing in a Strained Semiconductor Optical Amplifier, Guido Hunziker, Roberto Paiella, David F. Geraghty, Kerry J. Vahala and Uzi Koren, IEEE Photonics Tech. Lett. Vol. 8, No. 12, (1996)

Measurement of the interwell carrier transport lifetime in multiquantum-well optical amplifiers by polarization-resolved four-wave mixing, Roberto Paiella, Guido Hunziker, Kerry J. Vahala, Uzi Koren, Appl. Phys. Lett. 69 (27), pp. 4142-4144, (1996)

Polarization Properties of Four-Wave Mixing in Strained Semiconductor Optical Amplifiers, Roberto Paiella, Guido Hunziker, Jianhui Zhou, Kerry J. Vahala, Uzi Koren and Barry I. Miller, IEEE Photonics Tech. Lett. Vol. 8, No. 6, (1996)

Four-Wave Mixing and Generation of Terahertz Radiation in an Alternating-Strain Coupled Quantum-Well Structure, Roberto Paiella, Kerry J. Vahala, IEEE J. of Quantum Electronics, Vol. 32, No. 4, (1996)

Four-Wave Mixing in semiconductor traveling-wave amplifiers for wavelength conversion in all-optical networks, Kerry J. Vahala, Jianhui Zhou, David Geraghty, Robert Lee, Mike Newkirk, Barry Miller, International J. of High Speed Electronics and Systems, Vol. 7, No. 1 (1996)

Highly nondegenerate four-wave mixing efficiency of an asymmetric coupled quantum-well structure, Roberto Paiella, Kerry J. Vahala, Appl. Phys. Lett., (1995)

Electroluminescence and photoluminescence of Ge-implanted Si/SiO2 structures, K.V. Scheglov, C.M. Yang, K.J. Vahala, H.A. Atwater, Appl. Phys. Lett., 66, 745, (1995).

Study of interwell carrier transport by TeraHertz four-wave mixing in an optical amplifier with tensile and compressively strained quantum wells, J.H. Zhou, N.Park, K.J. Vahala, M.A. Newkirk, .I. Miller, Appl. Phys. Lett., 65, 1897, (1994)

Four-Wave Mixing wavelength conversion efficiency in semiconductor traveling-wave amplifiers measured to 65 nm of wavelength shift, J.H. Zhou, N. Park, K.J. Vahala, M.A. Newkirk, B.I. Miller, IEEE Phot. Tech. Lett., 6, 984, (1994)

Broad-band wavelength conversion with amplification by Four-Wave mixing in semiconductor traveling-wave amplifiers, J.H. Zhou, N. Park, K.J.Vahala, M.A. Newkirk, B.I. Miller, Elect. Lett., (30), 959 (1994)

Efficiency of broad-band four-wave mixing wavelength conversion using semiconductor traveling-wave amplifiers, J H Zhou, N Park, J W Dawson, K J Vahala, M A Newkirk, IEEE Phot. Tech. Lett., 6, 50 (1994).

The role of Ga droplet formation in nanometer scale in nanometer-scale GaAs cluster synthesis, W A Saunders, P C Sercel, H A Atwater, R C Flagan, K J Vahala, Z-Phyz D, 26S, 219 (1993).

Synthesis of luminescent silicon clusters by spark ablation, W A Saunders, P C Sercel, R B Lee, H A Atwater, K J Vahala, R C Flagan, Appl. Phys. Lett., 63, 1549 (1993).

Terahertz four-wave mixing spectroscopy for study of ultrafast dynamics in a semiconductor optical amplifier, J H Zhou, N Park, J W Dawson, K J Vahala, M A Newkirk, B A Miller, Appl. Phys. Lett., 63, 1179 (1993).

Lower-dimensional quantum structures by selective growth and gas-phase nucleation, K. Vahala, W. Saunders, C. S. Tsai, P. C. Sercel, T. Kuech, H. A. Atwater, R. C. Flagan, J. Vac. Sci B, 11, 1660 (1993)

Preferential incorporation of defects in monocrystalline diamond films, B.G. Yacobi, J. Lebens, K.J. Vahala, A.R. Badzian, T. Badzian, Diam. Relat., 2, 92 (1993)

Frequency locking of an erbium doped fiber ring laser to an external fiber Fabry-Perot resonator, N.K. Park, J.W. Dawson, K.J. Vahala, Opt. Lett., 18, 879 (1993)

Direct determination of the ambipolar diffusion length in strained InGaAs/InP quantum wells by cathodoluminescence, R.B. Lee, K.J. Vahala, C.E. Zah, R. Bhat, Appl. Phys. Lett., 62, 2411 (1993)

Highly nondegenerate four-wave mixing and gain nonlinearity in a strained multiple quantum well optical amplifier, J. Zhou, N.K. Park, J. Dawson, K.J. Vahala, M. Newkirk, B. Miller, Appl. Phys. Lett., 62, 2301 (1993)

Reduction of intensity noise fron an erbium-doped fiber laser to the standard quantum limit by intracavity spectral filtering, S. Sanders, N.K. Park, J.W. Dawson, K.J. Vahala, Appl. Phys. Lett., 61, 1889 (1992)

Large (14.5 dB) reduction of intensity noise from a semiconductor laser by amplitude-phase decorrelation, M.A. Newkirk and K.J. Vahala, Appl. Phys. Lett., 60, 1289 (1992)

Linewidth and frequency jitter measurement of an erbium-doped fiber ring laser by using a loss-compensated delayed self-heterodyne interferometer, N.K. Park, J.W. Dawson, K.J. Vahala, Optics Lett., 17, 1274 (1992)

An improved delayed self-heterodyne interferometer for linewidth measurements, J.W. Dawson, N.K. Park, K.J. Vahala, IEEE Photon. Tech. Lett., 4, 1063 (1992)

Semiconductor lasers and fiber lasers for fiber-optic telecommunication systems, K.J. Vahala, N.K. Park, J.W. Dawson, S. Sanders, Fibers and Integrated Optics, 11, 221 (1992)

Multiple wavelength operation of an erbium-doped fiber laser, N K. Park, J. W. Dawson, K. J. Vahala, Photonics Tech. Lett., 4, 540 (1992).

Resonance Enhanced Spontaneous Emission from Quantum Dots, W.A. Saunders, K.J. Vahala, Photonics, Tech, Lett., 72, 806 (1992)

Co-lasing in an electrically tunable erbium doped fiber laser, J.W. Dawson, N.K. Park, K.J. Vahala, Appl. Phys. Lett., 60, 3090 (1992)

Nanometer-scale GaAs clusters from organometallic precursors, P.C. sercel, W.A. Saunders, H.A. Atwater, K.J. Vahala, R.C. Flagan, Appl. Phys. Lett., 61, 696 (1992)

Measurements of the intensity noise of a broadly tunable, erbium-doped, fiber ring laser, relative to the standard quantum limit, S. Sanders, J. W. Dawson, N. K. Park, K. J. Vahala, Appl. Phys. Lett., 60, 2583 (1992).

Vapor phase synthesis of crystalline nanomemeter-scale GaAs Clusters, W. Saunders, P. C. Sercel, H. A. Atwater, K. J. Vahala, R. C. Flagan, Appl. Phys. Lett., 60, 950 (1992).

Facet Modulation Selective Epitaxy-A Technique for Quantum well Wire Doublet Fabrication, C. S. Tsai, J. A. Lebens, C. C. Ahn, A. Nouhi, K. J. Vahala, Appl. Phys. Lett., 60, 240 (1992).

Fabrication of Semiconductor Quantum Dots, R.C. Flagan, H.A. Atwater, K.J. Vahala, J-Aeroso-Sci., 22, S31 (1991)

Approximate Expressions for Modulation Speed and Threshold for Performance Optimization of Biaxially Compresssive Strain Quantum Well Lasers, K. J. Vahala and C. E. Zah, Appl. Phys. Lett., 59, 3230 (1991).

All Fiber, Low-Threshold, Widely Tunable, Single Frequency, Erbium Doped, Fiber Ring Laser With a Tandem Fiber Fabry-Perot Filter, N. Park, J. W. Dawson, K. J. Vahala, C. Miller, Appl. Phys. Lett., 59, 2369 (1991).

Selective Epitaxy of GaAs, AlGaAs, and InGaAs, T. F. Kuech, M. S. Goorsky, M. A. Tischler, A. Palevski, P. Solomon, R. Potemski, C. S. Tsai, J. A. Lebens, K. J. Vahala, J. Cryst. Growth, 107, 116 (1991).

Polarization Dependence of Optical Absorption and Emission in Quantum Wires, P. C. Sercel and K. J. Vahala, Phys. Rev. B, 44, 5681 (1991).

Amplitude-Phase Decorrelation: A Method for Reducing Intensity Noise in Semiconductor Lasers, M. A. Newkirk and K. J. Vahala, J. Quant. Electron., QE-27, 13 (1991).

Self-Quenching of Fundamental Phase and Amplitude Noise in Semiconductor-Lasers with Dispersive Loss, A. Yariv, R. Nabiev, K. Vahala Optics Lett., 15, 1359 (1990).

Type II Broken-Gap Quantum Wires and Quantum Dot Arrays: A Novel Concept for Self-Doping Semiconductor Nanostructures, P. C. Sercel and K. J. Vahala, Appl. Phys Lett., 57, 1569 (1990).

Intensity Noise Reduction in Semiconductor Lasers by Amplitude-Phase Decorrelation, K. Vahala and M. Newkirk, Appl. Phys. Lett., 57, 974 (1990).

An Analytical Technique for Determining the Polarization Dependence of Optical Matrix Elements in Quantum Wires with Band Coupling Effects, P. C. Sercel and K. J. Vahala, Appl. Phys. Lett., 57, 545 (1990).

An Analytical Formalism for Determining Quantum Wire and Quantum Dot Bandstructure in the Multiband Envelope Approximation, P. C. Sercel, K. J. Vahala, Phys. Rev. B, 42, 3690 (1990).

Application of a Total Angular Momentum Basis to Quantum Dot Band Structure, K. J. Vahala and P. C. Sercel, Physical Review Letters, 65, 239 (1990).

Application of Selective Epitaxy to Fabrication of Nanometer Scale Wire and Dot Structures, J. A. Lebens, C. S. Tsai, K. J. Vahala, T. F. Kuech, Appl. Phys. Lett., 56, 2642 (1990).

Quantitative Measurement of the Composition of AlGaAs Heterostructures using a Simple Backscattered Electron Detector, P. C. Sercel, J. A. Lebens, and K. J. Vahala, Rev. Scient. Instrum., 60, (1989).

Effect of Aluminum Mole Fraction on Carrier Diffusion Lengths and Lifetimes in AlGaAs, H. A. Zarem, J. A. Lebens, K. B. Nordstrom, P. C. Sercel, S. Sanders, L. E. Eng, A. Yariv, and K. J. Vahala, Appl. Phys. Lett., 55, (1989).

Direct Determination of the Ambipolar Diffusion Length in GaAs/AlGaAs Heterostructures by Cathodoluminescence, H. A. Zarem, P. C. Sercel, J. A. Lebens, L. E. Eng, A. Yariv, and K. J. Vahala, Appl. Phys. Lett., 55, 1647 (1989)

Measurement of the Fundamental Modulation Response of a Semiconductor Laser to Millimeter Wave Frequencies by Active-Layer Photomixing, M. A. Newkirk, K. J. Vahala, Appl. Phys. Lett., 55, 939 (1989).

Nanometer Scale Wire Structures Fabricated by Diffusion Induced Disordering of a GaAs(AlGaAs) Quantum Well, H. A. Zarem, P. C. Sercel, M. E. Hoenk, J. A. Lebens, and K. J. Vahala, Appl. Phys. Lett., 54, 2692 (1989).

Compositional Modulation in AlGaAs Epilayers Grown by Molecular Beam Epitaxy on the (111) Facets of Grooves in a Nonplanar Substrate, M. E. Hoenk, C. W. Nieh, H. Z. Chen, and K. J. Vahala, Appl. Phys. Lett., 55, 53 (1989).

The Optical Gain Lever: A Novel Gain Mechanism in the Direct Modulation of Quantum Well Semiconductor Lasers, K.J. Vahala, M.A. Newkirk and T.R. Chen, Appl. Phys. Lett., 54, 2506 (1989)

Cathodoluminescence Measurement of an Orientation Dependent Aluminium Concentration in AlGaAs Epilayers Grown by Molecular Beam Epitaxy on a Nonplanar Substrate, Michael E. Hoenk, Howard Z. Chen, Amnon Yariv, Hadis Morkoc and Kerry J. Vahala, Appl. Phys. Lett., 54, 15 (1989).

Cathodoluminescence System for a Scanning Electron Microscope Using a Novel Optical Fiber Light Collection System, Michael Hoenk and Kerry J. Vahala, Rev. Sci. Instrum., 60, 226 (1989).

Parasitic-free modulation of semiconductor lasers, Kerry J. Vahala and Michael A. Newkirk, J. Quantum Electron., QE-25, 6 (1989).

Gain Spectra of Quantum Wires with Inhomogenous Broadening, Hal Zarem, Kerry Vahala, and A. Yariv, J. Quantum Electron., QE-25, 4 (1989).

Low Temperature Measurement of the fundamental Frequency Response of a Semiconductor Laser by Active-Layer Photomixing, Michael A. Newkirk and Kerry J. Vahala, Appl. Phys. Lett., 54, 6 (1989)

Cathodoluminescence of Oval Defects in GaAs/AlGaAs Epilayers Using an Optical Fiber Light Collection System, Michael Hoenk and Kerry J. Vahala, Appl. Phys. Lett, 53, 2062 (1988).

Properties of Ultra-Low Threshold Single Quantum Well AlGaAs Lasers for Computer Interconnects, P. L. Derry, T. R. Chen, Y. Zhuang, J. Paslaski, M. Mittelstein, K. J. Vahala, A. Yariv, K. Y. Lau, N. Bar-Chaim, Optoelectronics, 3, 117 (1988).

Generation of 1180 A Period Gratings with a Xe Ion Laser, H.A. Zarem, M.E. Hoenk, W.B. Bridges, K. Vahala and A. Yariv, Electron. Lett., 24, 1366 (1988).

Equivalent Circuit Model for Active-Layer Photomixing: Parasitic-Free Modulation of Semiconductor Lasers, Kerry J. Vahala and Michael A. Newkirk, Appl. Phys. Lett., 53, 1141 (1988).

Spectral and Dynamic Characteristics of Buried Heterostructure Single Quantum Well (AlGa)As Lasers, P. L. Derry, T. R. Chen, Y. H. Zhuang, J. Paslaski, M. Mittelstein, K. Vahala, and A. Yariv, Appl. Phys. Lett., 53, 271 (1988).

Effect of Doping on the Optical Gain and the Spontaneous Noise Noise Enchancement Factor in Quantum Well Amplifiers and Lasers Studied by Simple Analytical Expressions, Kerry Vahala and Chung-en Zah, Appl. Phys. Lett., 52, 1945 (1988).

Parasitic-Free Measurement of the Fundamental Frequency Response of a Semiconductor Laser by Active-Laser Photomixing, Michael A. Newkirk and Kerry J. Vahala, Appl. Phys. Lett., 52, 770 (1988).

Quantum Box Fabrication Tolerance and Size Limits in Semiconductors and Their Effect on Optical Gain, Kerry Vahala, IEEE J. Quantum Electron., QE-24, 523 (1988).

Field Spectrum Anisotropy in Multiple Quantum-Well Semiconductor Lasers Immersed in High Magnetic Fields, Kerry Vahala and Yasuhiko Arakawa, Superlattices and Microstructures, 4, 507 (1988).

Reduction of the Field Spectrum Linewidth of a Multiple Quantum Well Laser in a High Magnetic Field-Spectral Properties of Quantum Dot Lasers, Kerry Vahala, Yasuhiko Arakawa and Amnon Yariv, Appl. Phys. Lett., 50, 365 (1987).

Narrow Linewidth, Single Frequency Semiconductor Laser with a Phase Conjugate External Cavity Mirror, Kerry Vahala, Kazuo Kyuma, Amnon Yariv, Sze-Keung Kwong, Mark Cronin-Golomb, and Kam Y. Lau, Appl. Phys. Lett., 49, 1563 (1986).

Corrections to the Rate Equation Approximation for Dynamic Considerations in a Semiconductor Laser, Kerry Vahala, Appl. Phys. Lett., 48, 1340 (1986).

Reduction of the Spectral Linewidth of Semiconductor Lasers with Quantum Wire-Effects--Spectral Properties of GaAlAs Double Heterostructure Lasers in High Magnetic Fields, Yasuhiko Arakawa, K. Vahala, A. Yariv and K. Y. Lau, Appl. Phys. Lett., 48, 384 (1986).

Enhanced Modulation Bandwidth of GaAlAs Double Heterostructure Lasers in High Magnetic Fields: Dynamic Response with Quantum Wire Effects, Yasuhiko Arakawa, Kerry Vahala, Amnon Yariv and Kam Lau, Appl. Phys. Lett., 47, 1142 (1985).

Application of an Electronic Wave-Packet Formalism to Local Operator Equations of Motion for Semiconductor Lasers, Kerry Vahala and Amnon Yariv, Phys. Rev. A, 32, 345 (1985).

Observation of Modulation Speed Enhancment, Frequency Modulation Suppression and Phase Noise Reduction by Detuned Loading a Coupled-Cavity Semiconductor Laser, Kerry Vahala, Joel Paslaski and Amnon Yariv, Appl. Phys. Lett., 46, 1025 (1985).

The Effect of Spatially Dependent Temperature and Carrier Fluctuations on Noise in Semiconductor Lasers, Robert Lang, Kerry Vahala and Amnon Yariv, IEEE J. Quantum Electron, QE-21, 443 (1985).

Quantum Noise and Dynamics in Quantum Well and Quantum Wire Semiconductor Lasers, Yasuhiko Arakawa, Kerry Vahala and Amnon Yariv, Appl. Phys. Lett., 45, 950 (1984).

Detuned Loading in Coupled-Cavity Semiconductor Lasers - Effect on Quantum Noise and Dynamics, Kerry Vahala and Amnon Yariv, Appl. Phys. Lett., 45, 501 (1984).

Occupation Fluctuations: A Fundamental Source of Linewidth Broadening in Semiconductor Lasers, Kerry Vahala and Amnon Yariv, Appl. Phys. Lett., 43, 140 (1983).

On the High Power Limit of the Laser Linewidth, Amnon Yariv and Kerry Vahala, IEEE J. Quantum Electron, QE-19, 889, (1983).

Semiclassical Theory of Noise in Semiconductor Lasers, Part II, Kerry Vahala and Amnon Yariv, IEEE J. Quantum Electron, QE-19, 1102, (1983).

Semiclassical Theory of Noise in Semiconductor Lasers, Part I, Kerry Vahala and Amnon Yariv, IEEE J. Quantum Electron., QE-19, 1096 (1983).

On the Linewidth Enhancement Factor in Semiconductor Laser, Kerry J. Vahala, L.C. Chiu, S. Margalit and Amnon Yariv, Appl. Phys. Lett., 42, 631 (1983).

Measurement of the Linewidth Enhancement Factor of Semiconductor Lasers, ChristophHarder, Kerry Vahala and Amnon Yariv, Appl. Phys. Lett., 42, 328 (1983).

Observation of Relaxation Resonance Effects in the Field Spectrum of Semiconductor Lasers, Kerry Vahala, Christoph Harder and Amnon Yariv, Appl. Phys. Lett., 42, 211 (1982).