All‐optical tuning of waveguide nonlinear distributed feedback gratings
作者:
J. E. Ehrlich,
G. Assanto,
G. I. Stegeman,
期刊:
Applied Physics Letters
(AIP Available online 1990)
卷期:
Volume 56,
issue 7
页码: 602-604
ISSN:0003-6951
年代: 1990
DOI:10.1063/1.102710
出版商: AIP
数据来源: AIP
摘要:
The nonlinear properties of a distributed feedback grating in a waveguide characterized by a diffusive thermal nonlinearity were investigated experimentally. Reflection and transmission were measured in an InSb planar structure, and all‐optical tuning of the reflectivity was achieved either by a guided wave incident onto the distributed feedback grating near its Bragg condition, or by a second guided beam tuned far from the Bragg condition.
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