All-optical switching in a vertical coupler space switch employing photocarrier-induced nonlinearity

R. Varrazza; R. Varrazza; S. Yu; S. Yu; M. Owen; M. Owen; I. Khrushchev; I. Khrushchev; R.V. Penty; R.V. Penty; I.H. While; I.H. While; S.V. Dewar

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2000),
paper CThM26

All-optical switching in a vertical coupler space switch employing photocarrier-induced nonlinearity

R. Varrazza, S. Yu, M. Owen, I. Khrushchev, R.V. Penty, I.H. While, and S.V. Dewar

Conference on Lasers and Electro-Optics 2000

San Francisco, California United States
7–11 May 2000
ISBN: 1-55752-634-6

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R. Varrazza, S. Yu, M. Owen, I. Khrushchev, R. V. Penty, I. H. While, and S. V. Dewar, "All-optical switching in a vertical coupler space switch employing photocarrier-induced nonlinearity," in Conference on Lasers and Electro-Optics, S. Brueck, R. Fields, M. Fejer, and F. Leonberger, eds., OSA Technical Digest (Optica Publishing Group, 2000), paper CThM26.

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Abstract

Nonlinear optical switches will be a key devices in order to realize all-optical signal processing in order to meet increasing data speed requirements in future optical communications systems. Of various nonlinear optical effects, the photocarrier-induced bandedgc nonlinearity in semiconductor quantum wells has relatively large amplitude with a time constant in the 10-ps range depending on the carrier sweep-out time.¹

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