Elimination of back-reflected transverse electric mode in transverse-magnetic-mode optical isolator with Si guiding layer

Hideki Yokoi; Yuya Shoji; Tadayasu Kuroda; Tetsuya Mizumoto

doi:10.1143/JJAP.46.6679

Elimination of back-reflected transverse electric mode in transverse-magnetic-mode optical isolator with Si guiding layer

Hideki Yokoi, Yuya Shoji, Tadayasu Kuroda, Tetsuya Mizumoto

Research output: Contribution to journal › Article › peer-review

Abstract

The elimination of a back-reflected transverse electric (TE) mode traveling in a transverse-magnetic (TM)-mode optical isolator with a Si guiding layer was investigated. The optical isolator had an optical interferometer that included a polarization-dependent reciprocal phase shifter in one of the arms. By adjusting the length of the reciprocal phase shifter, the interferometer prevented the back-reflected TE mode from coupling into an input port of the isolator An extinction ratio of more than 32.0dB was obtained against the back-reflected TE mode at a wavelength of 1.57μm.

Original language	English
Pages (from-to)	6679-6681
Number of pages	3
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	46
Issue number	10 A
DOIs	https://doi.org/10.1143/JJAP.46.6679
Publication status	Published - 2007 Oct 9

Keywords

Nonreciprocal phase shift
Optical isolator
Reciprocal phase shift
Si

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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10.1143/JJAP.46.6679

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Elimination of back-reflected transverse electric mode in transverse-magnetic-mode optical isolator with Si guiding layer. / Yokoi, Hideki; Shoji, Yuya; Kuroda, Tadayasu et al.
In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 46, No. 10 A, 09.10.2007, p. 6679-6681.

Research output: Contribution to journal › Article › peer-review

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abstract = "The elimination of a back-reflected transverse electric (TE) mode traveling in a transverse-magnetic (TM)-mode optical isolator with a Si guiding layer was investigated. The optical isolator had an optical interferometer that included a polarization-dependent reciprocal phase shifter in one of the arms. By adjusting the length of the reciprocal phase shifter, the interferometer prevented the back-reflected TE mode from coupling into an input port of the isolator An extinction ratio of more than 32.0dB was obtained against the back-reflected TE mode at a wavelength of 1.57μm.",

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AU - Yokoi, Hideki

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AU - Kuroda, Tadayasu

AU - Mizumoto, Tetsuya

PY - 2007/10/9

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N2 - The elimination of a back-reflected transverse electric (TE) mode traveling in a transverse-magnetic (TM)-mode optical isolator with a Si guiding layer was investigated. The optical isolator had an optical interferometer that included a polarization-dependent reciprocal phase shifter in one of the arms. By adjusting the length of the reciprocal phase shifter, the interferometer prevented the back-reflected TE mode from coupling into an input port of the isolator An extinction ratio of more than 32.0dB was obtained against the back-reflected TE mode at a wavelength of 1.57μm.

AB - The elimination of a back-reflected transverse electric (TE) mode traveling in a transverse-magnetic (TM)-mode optical isolator with a Si guiding layer was investigated. The optical isolator had an optical interferometer that included a polarization-dependent reciprocal phase shifter in one of the arms. By adjusting the length of the reciprocal phase shifter, the interferometer prevented the back-reflected TE mode from coupling into an input port of the isolator An extinction ratio of more than 32.0dB was obtained against the back-reflected TE mode at a wavelength of 1.57μm.

KW - Nonreciprocal phase shift

KW - Optical isolator

KW - Reciprocal phase shift

KW - Si

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Elimination of back-reflected transverse electric mode in transverse-magnetic-mode optical isolator with Si guiding layer

Abstract

Keywords

ASJC Scopus subject areas

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