Articles

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Improved RF Power Extraction from 1.55μm Ge/Si n-i-p Photodiodes with Load Impedance Optimization (with Andrew L. Huard, Molly Piels, Anand Ramaswamy, and John E. Bowers), 23rd Annual Meeting of the IEEE Photonics Society (2010)

The RF output power of Ge/Si n-i-p waveguide photodetectors is improved by increasing the load...

 

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High-Speed Concatenation of Frequency Ramps Using Sampled Grating Distributed Bragg Reflector Laser Diode Sources for OCT Resolution Enhancement (with Brandon George), Proceedings of the SPIE - The International Society for Optical Engineering (2010)

Brandon George and Dennis Derickson California Polytechnic State Univ. (USA) Wavelength tunable sampled grating distributed...

 

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Optical Low Coherence Reflectometry Applications to Meat Tenderness Testing (with Matthew Schlutz), Honors Undergraduate Research Journal (2008)

The goal of this research project is to develop an optical low coherence reflectometry (OLCR)...

 

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Ultrafast Dynamics in Field-Enhanced Saturate Absorbers (with J. R. Karin, R. J. Helkey, R. Nagarajan, D. S. Allin, J. E. Bowers, and R. L. Thornton), Applied Physics Letters (1994)

Absorption recovery dynamics of GaAs/AlGaAs field-enhanced waveguide saturable absorbers are studied by pump-probe differential transmission...

 

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Analysis of Laser Pulse Chirping in Mode-Locked Vertical-Cavity Surface-Emitting Lasers (with Wenbin Jiang and John E. Bowers), Journal of Quantum Electronics (1993)

Mode-locked vertical cavity lasers have a large cross-sectional area and consequently a large saturation energy...

 

Patents

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Optical Filter Elements and Methods of Making and Using Same (with Michael A. Scobey, Lucien P. Ghislain, and Loren F. Stokes), United States Patent Number: 6,798,553 B1 (2004)

Optical filter elements and optical systems comprise optically mismatched etalons and optically mismatched stacked, optically...

 

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Optically Coupled Etalons and Methods of Making and Using Same (with Michael A. Scobey, Lucien P. Ghislain, and Loren F. Stokes), United States Patent Number: 6,678,093 B1 (2004)

Optical elements comprise stacked, optically matched and optically coupled etalons, at least one of the...

 

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Optical System with 1xN Interleaver and Methods of Making and Using Same (with Michael A. Scobey, Lucien P. Ghislain, and Loren F. Stokes), United States Patent Number: 6,658,172 B1 (2003)

An optical system and method are disclosed for multiplexing or de-multiplexing channels within a wavelength...

 

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Multi-wavelength Polarization Scrambling Device (with James R. Stimple and Eugene Rudkevich), United States Patent Number: 6,137,925 (2000)

A polarization scrambling device randomly varies the polarization states of multiple applied optical signals. The...

 

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Signal Monitoring Apparatus for Wavelength Divison Multiplexed Optical Telecommunication Networks (with Roger Lee Jungerman), United States Patent Number: 5,796,479 (1998)

A detector array spectrometer simultaneously monitors wavelength, power, and signal-to-noise ratio of wavelength division multiplexed...

 

Conference Proceedings

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Generation of High Speed, Linear Wavelength Sweeps Using Sampled Grating Distributed Bragg Reflector Lasers (with Shane O' Connor and Michael A. Bernacil), Proceedings of the IEEE LEOS 21st Annual Meeting: Newport Beach, CA (2008)

Wavelength-tunable sampled grating distributed Bragg reflector (SG-DBR) lasers are used for telecommunications applications in which...

 

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Microwave Signal Generation Using Self-Heterodyning of a Fast Wavelength Switching SG-DBR Laser (with Michael A. Bernacil, Shame O' Connor, Ben Maher, and Andew Dekelaita), 2008 IEEE MTT-S International Microwave Symposium Digest (2008)

Microwave signal generation using self-heterodyning of a single wavelength tunable SG-DBR laser is demonstrated. Microwave...

 

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SGDBR Single-Chip Wavelength Tunable Lasers for Swept Source OCT (with Mike Bernacil, Andrew DeKelaita, Ben Maher, Shane O'Connor, Mathew N. Sysak, and Leif Johanssen), Proceedings of SPIE (2008)

Sampled Grating Distributed Bragg Reflector (SGDBR) monolithic tunable lasers are now entering the production phase...

 

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A High Power, High Efficiency Amplifier using GaN HEMT (with Bumjin Kim and Cheng Sun), Proceedings of the Asia-Pacific Microwave Conference: Bangkok, Thailand (2007)

A class B and a class F power amplifier are described using a GaN HEMT...

 

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Photonics Education Program at California Polytechnic State University (with Samuel Agbo, Sean Jobe, John Sharpe, Dan Wasche, and Xiaomin Jin), The Tenth International Topical Meeting on Education & Training in Optics and Photonics: Ottawa, Ontario, Canada (2007)

California Polytechnic State University (Cal Poly) has an active photonics-related program. The thrusts of the...