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Proceedings Paper

Optical 90-degree hybrids based on silicon-on-insulator multimode interference couplers
Author(s): Tingting Hong; Wei Yang; Huaxiang Yi; Xingjun Wang; Yanping Li; Ziyu Wang; Zhiping Zhou
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Paper Abstract

An optical 90° hybrids based on silicon-on-insulator (SOI) 4×4 MMI couplers have been fabricated in 340nm top silicon using E-Beam technology. Below 2.2° phase deviation of the hybrids for the across C-band of TE mode have been simulated, which is well satisfied with the typical systems requirements. The measured optical transmission powers from port to port show that the devices function well as a 6dB power divider with excess loss around 1dB at wavelength λ=1550nm for TE mode. The measured transmission spectra of the 4×4 MMI coupler are seriously affected by the FP resonance noise, which bring in error in phase deviation testing.

Paper Details

Date Published: 28 February 2012
PDF: 6 pages
Proc. SPIE 8255, Physics and Simulation of Optoelectronic Devices XX, 82551Z (28 February 2012); doi: 10.1117/12.907605
Show Author Affiliations
Tingting Hong, Peking Univ. (China)
Wei Yang, Peking Univ. (China)
Huaxiang Yi, Peking Univ. (China)
Xingjun Wang, Peking Univ. (China)
Yanping Li, Peking Univ. (China)
Ziyu Wang, Peking Univ. (China)
Zhiping Zhou, Peking Univ. (China)

Published in SPIE Proceedings Vol. 8255:
Physics and Simulation of Optoelectronic Devices XX
Bernd Witzigmann; Marek Osinski; Fritz Henneberger; Yasuhiko Arakawa, Editor(s)

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