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Extremely low loss 4*4 GaAs/AlGaAs optical matrix switch

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4 Author(s)
K. Hamamoto ; Opto-electron. Res. Labs., NEC Corp., Ibaraki, Japan ; S. Sugou ; K. Komatsu ; M. Kitamura

A 4*4 GaAs/AlGaAs optical matrix switch with an extremely low loss of 1.6 dB has been developed. This low loss switch was achieved by layer structure modification, to reduce free-carrier absorption, reduction of plasma damage while dry etching, and an improvement in the crystal quality.<>

Published in:

Electronics Letters  (Volume:29 ,  Issue: 17 )