Optical bistability on a thin-film Faraday rotator

Masao Hirano

doi:10.1117/12.187990

30 September 1994 Optical bistability on a thin-film Faraday rotator

Masao Hirano

Proceedings Volume 2263, Current Developments in Optical Design and Optical Engineering IV; (1994) https://doi.org/10.1117/12.187990
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We proposed an all-optical bistable unit made of a Faraday medium and investigated theoretically its unique characteristics. Optical bistability in our proposed unit was experimantally confirmed. In this paper, using a 830 nm wavelength laser diode and a thin garnet film rotator as a Fabry-Perot resonator, optical bistability is confirmed again. Bistable characteristics, threshold incident power, on-off power ratio, and dynamic characteristics, are examined to attain controllability with the external magnetic field. In our proposed unit's construction, an all-optical sensing device (a magnetic field sensor) is proposed and evaluated for application to the OB operation.

Citation Download Citation

Masao Hirano "Optical bistability on a thin-film Faraday rotator", Proc. SPIE 2263, Current Developments in Optical Design and Optical Engineering IV, (30 September 1994); https://doi.org/10.1117/12.187990

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