Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer

H. Yokoi; T. Mizumoto; N. Shinjo; N. Futakuchi; N. Kaida; Y. Nakano

doi:10.1109/CLEOPR.1999.814736

Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer

H. Yokoi, T. Mizumoto, N. Shinjo, N. Futakuchi, N. Kaida, Y. Nakano

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The characteristics of the three-guide tapered coupler for an integrated optical isolator with a semiconductor guiding layer (GaInAsP) were experimentally studied. By the experiment for measuring power branching ratio, the unbalance of the ratio smaller than 2% was confirmed for wavelengths ranging between 1.50 and 1.58 μm. The coupling to the central waveguide occurred when two light waves in the side waveguides were in phase. No output was coupled to the central waveguide when they were 180° out of phase. The isolation of more than 17dB will be achieved when the coupler is employed in the isolator.

Original language	English
Title of host publication	CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1204-1205
Number of pages	2
ISBN (Electronic)	0780356616, 9780780356610
DOIs	https://doi.org/10.1109/CLEOPR.1999.814736
Publication status	Published - 1999 Jan 1
Externally published	Yes
Event	1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999 - Seoul, Korea, Republic of Duration: 1999 Aug 30 → 1999 Sept 3

Publication series

Name	CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics
Volume	4

Conference

Conference	1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999
Country/Territory	Korea, Republic of
City	Seoul
Period	99/8/30 → 99/9/3

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Computer Networks and Communications
Physics and Astronomy(all)

Access to Document

10.1109/CLEOPR.1999.814736

Cite this

Yokoi, H., Mizumoto, T., Shinjo, N., Futakuchi, N., Kaida, N., & Nakano, Y. (1999). Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer. In CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics (pp. 1204-1205). [814736] (CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics; Vol. 4). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CLEOPR.1999.814736

Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer. / Yokoi, H.; Mizumoto, T.; Shinjo, N. et al.

CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics. Institute of Electrical and Electronics Engineers Inc., 1999. p. 1204-1205 814736 (CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics; Vol. 4).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yokoi, H, Mizumoto, T, Shinjo, N, Futakuchi, N, Kaida, N & Nakano, Y 1999, Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer. in CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics., 814736, CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics, vol. 4, Institute of Electrical and Electronics Engineers Inc., pp. 1204-1205, 1999 Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 1999, Seoul, Korea, Republic of, 99/8/30. https://doi.org/10.1109/CLEOPR.1999.814736

Yokoi H, Mizumoto T, Shinjo N, Futakuchi N, Kaida N, Nakano Y. Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer. In CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics. Institute of Electrical and Electronics Engineers Inc. 1999. p. 1204-1205. 814736. (CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics). doi: 10.1109/CLEOPR.1999.814736

Yokoi, H. ; Mizumoto, T. ; Shinjo, N. et al. / Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer. CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics. Institute of Electrical and Electronics Engineers Inc., 1999. pp. 1204-1205 (CLEO/Pacific Rim 1999 - Pacific Rim Conference on Lasers and Electro-Optics).

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AB - The characteristics of the three-guide tapered coupler for an integrated optical isolator with a semiconductor guiding layer (GaInAsP) were experimentally studied. By the experiment for measuring power branching ratio, the unbalance of the ratio smaller than 2% was confirmed for wavelengths ranging between 1.50 and 1.58 μm. The coupling to the central waveguide occurred when two light waves in the side waveguides were in phase. No output was coupled to the central waveguide when they were 180° out of phase. The isolation of more than 17dB will be achieved when the coupler is employed in the isolator.

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Coupling characteristics of three-guide tapered coupler for integrated optical isolator with semiconductor guiding layer

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