Switching characteristics of GaAs directional coupler optical switches
- 1 May 1986
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 25 (9) , 1484-1490
- https://doi.org/10.1364/ao.25.001484
Abstract
A directional coupler optical switch with good switching characteristics (extinction ratio of more than 22 dB at 22.5-V applied voltage) and low-loss guiding properties (total insertion loss of 10.7 dB including Fresnel reflection loss of 4.0 dB) has been developed. The switch element was mounted on a ceramic stem and jointed directly with polarization-maintaining optical fibers. High speed operation of 1.6 GHz was achieved.Keywords
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