GRATING COUPLER FOR EFFICIENT EXCITATION OF OPTICAL GUIDED WAVES IN THIN FILMS

15 June 1970

journal article
Published by AIP Publishing in Applied Physics Letters

Vol. 16 (12) , 523-525
https://doi.org/10.1063/1.1653091

Abstract

We report a new method of coupling a laser beam to thin‐film optical guided waves which utilizes an optical grating that is made from photoresist and fabricated directly on the film. High efficiency coupling (∼40 %) into a single mode in a glass film is observed.

Keywords

This publication has 6 references indexed in Scilit:

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