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Ultrahigh-speed all-optical modulation using intersubband transition quantum well waveguide and its application

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1 Author(s)
Kazi S. Abedin ; Photonic Network Group, National Institute of Information and Communications Technology, 4-2-1 Nukui-Kita, Koganei, Tokyo, Japan 184-8795

All-optical modulation over ultra-wide wavelength range using intersubband transition (ISBT) quantum well will be presented. This is based on cross-phase modulation (XPM) through the intersubband transition in an InGaAs/AlAsSb coupled quantum well using a linearly polarized pump wave. Optical millimeter wave at 76 GHz has been generated over a wavelength range of 1330 - 1620 nm using sinusoidal-intensity modulated pump. Pumping at a higher modulation rate could be possible, which will have potential application in coherent millimeter to THz wave generation, optical sampling, as well as in optical communications.

Published in:

2009 11th International Conference on Transparent Optical Networks

Date of Conference:

June 28 2009-July 2 2009