Title of article
The Effects of Strained Multiple Quantum Well on the Chirped DFB-SOA All Optical Flip-Flop
Author/Authors
Jabbari, M Department of Electrical Engineering - Marvdasht branch Islamic Azad University , Moravvej-Farshi, M.K Advanced Device Simulation Lab - Electrical and Computer Engineering Department - Tarbiat Modares University , Ghayour, R Electrical Engineering Department - Shiraz Universit , Zarifkar, A Iran Telecommunication Research Center
Pages
7
From page
190
To page
196
Abstract
In this paper, based on the coupled-mode and carrier rate equations, a dynamic model and numerical analysis of a multi quantum well (MQW) chirped distributed feedback semiconductor optical amplifier (DFB-SOA)
all-optical flip-flop is precisely derived. We have analyzed the effects of strains of QW and MQW and cross phase modulation (XPM) on the dynamic response, and rise and fall times of the DFB-SOA all optical flip flop. We have shown that strained MQW active region under an optimized condition into a DFB-SOA with chirped grating can improve the switching ON speed limitation in the abovementioned device, significantly while the fall time is increased. The values of the rise times for such an all optical flip-flop, are obtained in an optimized condition, areas tr=255ps.
Keywords
All-Optical Flip-Flop , Distributed feedback semiconductor optical amplifier , Optical Bistability , Multi quantum well
Journal title
Astroparticle Physics
Serial Year
2011
Record number
2424758
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