Dynamic range and switching speed of an optical switch matrix based on cascaded semiconductor optical amplifier gates with holding-light injection

Wei Hong; Dexiu Huang; Xinliang Zhang; Guangxi Zhu

doi:10.1117/1.2720516

1 April 2007 Dynamic range and switching speed of an optical switch matrix based on cascaded semiconductor optical amplifier gates with holding-light injection

Wei Hong, Dexiu Huang, Xinliang Zhang, Guangxi Zhu

Author Affiliations +

Optical Engineering, Vol. 46, Issue 4, 045002 (April 2007). https://doi.org/10.1117/1.2720516

Abstract

The input power dynamic range and switching speed of an optical switch matrix based on cascaded semiconductor optical amplifier (SOA) gates with holding-light injection were studied numerically using the carrier-density rate equation of the SOA and a dynamic bit-error-rate calculation method. It is shown that holding-light injection can effectively extend the input power dynamic range to high signal input powers, on account of the suppression of the patterning effect in the presence of holding light. Moreover, cascaded SOA gates tend to provide a more linear output-input relation with holding-light injection. A useful by-product of holding-light injection is the enhanced switching speed of the SOA. The switch-on time with holding light is always shorter than that without, owing to a shorter carrier lifetime in the presence of holding light.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Wei Hong, Dexiu Huang, Xinliang Zhang, and Guangxi Zhu "Dynamic range and switching speed of an optical switch matrix based on cascaded semiconductor optical amplifier gates with holding-light injection," Optical Engineering 46(4), 045002 (1 April 2007). https://doi.org/10.1117/1.2720516

Published: 1 April 2007

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KEYWORDS

Optical switching

Switching

Eye

Optical lithography

Optical engineering

Receivers

Semiconductor optical amplifiers

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