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Optical Engineering

Wavelength-converting optical space switch using SOA based Mach-Zehnder interferometer
Author(s): Min-Ho Lee; Si-Mon Shin; Sang-Kook Han
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Paper Abstract

We propose a wavelength-converting optical-space switch in a Mach-Zehnder interferometer based on the semiconductor optical amplifier (SOA), and its pulse characteristics in the time domain are investigated theoretically. The cross phase modulation and the gating function in the SOA are utilized for a wavelength converter and optical space switch. The output pulse shape of the switch is varied for different injection current patterns, current levels, and probe power levels. To reduce the switching time, exponential current injection into the SOA is preferred to the cw current. The influences of the probe power and bias current of the wavelength converter on the switching characteristic are investigated, including the dynamics of the wavelength converter.

Paper Details

Date Published: 1 December 2000
PDF: 5 pages
Opt. Eng. 39(12) doi: 10.1117/1.1327500
Published in: Optical Engineering Volume 39, Issue 12
Show Author Affiliations
Min-Ho Lee, Yonsei Univ. (South Korea)
Si-Mon Shin, Yonsei Univ. (South Korea)
Sang-Kook Han, Yonsei Univ. (South Korea)

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