Keith J. Williams

Physiatry
5215 Eastern Ave
Hyattsville, MD 20782

Last Updated: 09/26/2026

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Found 11 publications

Sources of nonlinearity and mitigation of phase noise in MUTC photodetectors at comb-line frequencies.

Sources of nonlinearity and mitigation of phase noise in MUTC photodetectors at comb-line frequencies.

Journal: Optics express
Published: June 14, 2025

Impact of nonlinearity including bleaching in MUTC photodetectors on RF-modulated electro-optic frequency combs.

Impact of nonlinearity including bleaching in MUTC photodetectors on RF-modulated electro-optic frequency combs.

Journal: Optics express
Published: May 14, 2021

Comparison of the impact of nonlinearity in a p-i-n and an MUTC photodetector on electro-optic frequency combs.

Comparison of the impact of nonlinearity in a p-i-n and an MUTC photodetector on electro-optic frequency combs.

Journal: Optics letters
Published: February 12, 2021

Calculation of the impulse response and phase noise of a high-current photodetector using the drift-diffusion equations.

Calculation of the impulse response and phase noise of a high-current photodetector using the drift-diffusion equations.

Journal: Optics express
Published: February 09, 2019

Frequency dependent harmonic powers in a modified uni-traveling carrier photodetector.

Frequency dependent harmonic powers in a modified uni-traveling carrier photodetector.

Journal: Optics letters
Published: March 02, 2017

Characteristics and performance of offset phase locked single frequency heterodyned laser systems.

Characteristics and performance of offset phase locked single frequency heterodyned laser systems.

Journal: The Review of scientific instruments
Published: June 03, 2016

Impact of the Coulomb interaction on the Franz-Keldysh effect in high-current photodetectors.

Impact of the Coulomb interaction on the Franz-Keldysh effect in high-current photodetectors.

Journal: Optics letters
Published: February 25, 2016

Simulation of a partially depleted absorber (PDA) photodetector.

Simulation of a partially depleted absorber (PDA) photodetector.

Journal: Optics express
Published: September 15, 2015

Analysis of magnitude and relative phase of photodiode IMD2 using amplitude matched MZM-distortion cancellation technique.

Analysis of magnitude and relative phase of photodiode IMD2 using amplitude matched MZM-distortion cancellation technique.

Journal: Optics express
Published: February 12, 2014

Suppression of even-order photodiode distortions via predistortion linearization with a bias-shifted Mach-Zehnder modulator.

Suppression of even-order photodiode distortions via predistortion linearization with a bias-shifted Mach-Zehnder modulator.

Journal: Optics express
Published: June 22, 2013

Cancellation of photodiode-induced second harmonic distortion using single side band modulation from a dual parallel Mach-Zehnder.

Cancellation of photodiode-induced second harmonic distortion using single side band modulation from a dual parallel Mach-Zehnder.

Journal: Optics express
Published: November 29, 2012
Showing 1-11 of 11

Last Updated: 09/26/2026