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Ultrafast all-optical switching at 1.3 μm/1.55 μm using a novel InGaAs/AlAsSb/InP coupled double quantum well structure for intersubband transitions

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4 Author(s)
Yoskida, H. ; FESTA Lab., Femtosecond. Technol. Res. Assoc., Ibaraki, Japan ; Mozume, T. ; Neogi, A. ; Wada, O.

A coupled double quantum well (C-DQW) structure enabling ultrafast, multi-wavelength, all-optical modulation using intersubband transitions is proposed. It has been shown from the calculation of absorption spectrum and relaxation characteristics that the InGaAs/AlAsSb C-DQW structure is desirable for applications in all-optical switches for multi-wavelength operation at near-infrared wavelengths down to 1.3 μm. The capability of ultrafast all-optical switching/wavelength conversion between 1.3 μm and 1.55 μm has also been shown

Published in:
Indium Phosphide and Related Materials, 1998 International Conference on

Date of Conference: 11-15 May 1998

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