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Vertical-cavity optical modulator for 1.32 μm grown on a graded (InGaAl)As buffer

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9 Author(s)
I. J. Fritz ; Sandia Nat. Labs., Albuquerque, NM, USA ; T. J. Drummond ; S. R. Lee ; M. J. Hafich
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The authors describe an (InGaAl)As/InGaAs vertical-cavity optical transmission modulator operating at 1.32 μm, and having a single pass contrast ΔT/T of 24% at <5 V bias. Device performance and yield have been improved, using a specially designed buffer that compensates for incomplete strain relaxation

Published in:

Electronics Letters  (Volume:32 ,  Issue: 21 )