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Proceedings Paper

A tunable optical 90° hybrid composed of a 2×4 MMI, a 2×2MMI coupler, and a Heater pad
Author(s): Weihua Liu; Xiqu Chen; Chao Fan
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Paper Abstract

A tunable optical 90° hybrid composed of a 2 × 4 multimode interference (MMI), a 2 × 2 MMI coupler and a heater pad is proposed, and a set of formulas was deduced for calculation the light intensity output of the device. The simulation has been performed, and the results show agreement with analytical predication. In the wavelength range of c band, the imbalances are below 0.04dB, the excess loss is less than 0.45 dB, and the phase deviations are below 3°. The fabrication tolerance of width as high as 0.3μm, which is larger than traditional optical 90° hybrid.

Paper Details

Date Published:
PDF: 7 pages
Proc. SPIE 10460, AOPC 2017: Optoelectronics and Micro/nano-optics, 104600N; doi: 10.1117/12.2283509
Show Author Affiliations
Weihua Liu, Wuhan Polytechnic Univ. (China)
Xiqu Chen, Wuhan Polytechnic Univ. (China)
Chao Fan, Wuhan Polytechnic Univ. (China)


Published in SPIE Proceedings Vol. 10460:
AOPC 2017: Optoelectronics and Micro/nano-optics
Min Qiu; Min Gu; Xiaocong Yuan; Zhiping Zhou, Editor(s)

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