High‐efficiency blazed grating couplers
作者:
Takashi Aoyagi,
Yoshinobu Aoyagi,
Susumu Namba,
期刊:
Applied Physics Letters
(AIP Available online 1976)
卷期:
Volume 29,
issue 5
页码: 303-304
ISSN:0003-6951
年代: 1976
DOI:10.1063/1.89055
出版商: AIP
数据来源: AIP
摘要:
High‐efficiency blazed grating couplers have been successfully realized by using an ion etching technique. We observed that a guided wave was radiated as the leaky wave which appears selectively either above or below the grating depending on the direction of the propagation of the guided wave. The coupling efficiency from the guided wave into one of the leaky waves was about 97% at the blaze angle of 30°.
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