Recovery of a π phase shift in ~12.5 ps in a semiconductor laser amplifier
- 16 February 1995
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 31 (4), 307-308
- https://doi.org/10.1049/el:19950204
Abstract
Time-resolved interferometry is used to measure the relaxation of an optically induced phase change in a semiconductor laser amplifier (SLA). A phase change of π recovers in ~12.5 ps. This is proof-of-principle that an interferometric switch using an SLA can be gated at ~80 GHz.Keywords
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