Birefringence in strained multiple quantum wells for high-contrast spatial light modulators (SLMs)

Hui Wang; Wenli Huang; Faquir C. Jain

doi:10.1117/12.284205

24 October 1997 Birefringence in strained multiple quantum wells for high-contrast spatial light modulators (SLMs)

Hui Wang, Wenli Huang, Faquir C. Jain

Proceedings Volume 3159, Algorithms, Devices, and Systems for Optical Information Processing; (1997) https://doi.org/10.1117/12.284205
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

This paper describes novel multiple quantum well optical modulators in which the optical modulation is achieved by field dependent birefringence in strained MQW layers. The modulator operates under normal incidence. In our study, field dependent birefringence is obtained by straining the MQW layers using Surface Acoustic Waves. Computations of refractive index change, absorption coefficient and contrast ratio are presented. The devices are being fabricated using lattice matched InGaAsP/InGaAsP layers on InP substrates. The polarization-sensitive birefringent spatial light modulators are different from conventional multiple quantum well SLMs and self electro-optical devices which generally utilize electro- absorption.

Citation Download Citation

Hui Wang, Wenli Huang, and Faquir C. Jain "Birefringence in strained multiple quantum wells for high-contrast spatial light modulators (SLMs)", Proc. SPIE 3159, Algorithms, Devices, and Systems for Optical Information Processing, (24 October 1997); https://doi.org/10.1117/12.284205

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