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Conferences > OAA > 2002 > OME > OME4

Low input intensity, high contrast optical AND gate based on Vertical-Cavity Semiconductor Optical Amplifiers (VCSOAs)

Pengyue Wen, Michael Sanchez, Matthias Gross, and Sadik Esener

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Abstract

We have demonstrated, the first time to our knowledge, a low input intensity high contrast (10:1) optical AND gate based on the differential gain observed in a 850 nm GaAs vertical-cavity semiconductor optical amplifier (VCSOA.) The input switching power is about 6µW, which equals to the intensity of 16nW/µm2. It is about 2 orders of magnitude lower than in in-plane semiconductor optical amplifiers. In the experiment the device also shows an optical gain of 10dB.

© 2002 Optical Society of America

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