Ultrastrong optical modulation in waveguides by conducting interfaces

Farhad Karimi; Sina Khorasani

doi:10.1117/12.2002858

4 February 2013 Ultrastrong optical modulation in waveguides by conducting interfaces

Farhad Karimi, Sina Khorasani

Proceedings Volume 8631, Quantum Sensing and Nanophotonic Devices X; 863123 (2013) https://doi.org/10.1117/12.2002858
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Here, an in-depth study of a novel electro-optic phenomenon suggested earlier in optical waveguides, referred to as the conducting interfaces, is carried out. It is shown that it would be possible to achieve a very strong optical modulation effect in slab waveguides fabricated on the standard III-V InAlGaAs compound platform. The electro-optic effect is obtained by controlling the density and population of the electron and hole states in the well layer. The additional phase shift contributed to the reflection phase of the guided electromagnetic wave constitutes an ultrastrong source of optical modulation and phase control. It is estimated that a Mach-Zhender configuration based on this optical modulator, will have a relatively compact size of around 50 microns in length, compared to the other conventional technologies.

Citation Download Citation

Farhad Karimi and Sina Khorasani "Ultrastrong optical modulation in waveguides by conducting interfaces", Proc. SPIE 8631, Quantum Sensing and Nanophotonic Devices X, 863123 (4 February 2013); https://doi.org/10.1117/12.2002858

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