Optical 90-degree hybrids based on silicon-on-insulator multimode interference couplers

Tingting Hong; Wei Yang; Huaxiang Yi; Xingjun Wang; Yanping Li; Ziyu Wang; Zhiping Zhou

doi:10.1117/12.907605

28 February 2012 Optical 90° hybrids based on silicon-on-insulator multimode interference couplers

Tingting Hong, Wei Yang, Huaxiang Yi, Xingjun Wang, Yanping Li, Ziyu Wang, Zhiping Zhou

Proceedings Volume 8255, Physics and Simulation of Optoelectronic Devices XX; 82551Z (2012) https://doi.org/10.1117/12.907605
Event: SPIE OPTO, 2012, San Francisco, California, United States

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.

Citation Download Citation

Tingting Hong, Wei Yang, Huaxiang Yi, Xingjun Wang, Yanping Li, Ziyu Wang, and Zhiping Zhou "Optical 90° hybrids based on silicon-on-insulator multimode interference couplers", Proc. SPIE 8255, Physics and Simulation of Optoelectronic Devices XX, 82551Z (28 February 2012); https://doi.org/10.1117/12.907605

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KEYWORDS

Brain-machine interfaces

Waveguides

Hybrid optics

Silicon

Interferometers

Optical fabrication

Receivers

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