Loss reduction of abrupt waveguide bends using Fabry-Perot cavity for optical interconnects

Jau-Jan Deng; Yang-Tung Huang

doi:10.1117/12.271411

11 April 1997 Loss reduction of abrupt waveguide bends using Fabry-Perot cavity for optical interconnects

Jau-Jan Deng, Yang-Tung Huang

Proceedings Volume 3008, Miniaturized Systems with Micro-Optics and Micromechanics II; (1997) https://doi.org/10.1117/12.271411
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

A novel low-loss bending structure in dielectric waveguides is proposed. In the proposed structure, an antiresonant Fabry-Perot cavity parallel to the original waveguide is added at the outer side of the bend in order to reduce the bending loss. Based on a simple design rule for the antiresonant cavity, the materials can be flexibly chosen to be adapted to fabrication methods. The beam propagation method is used to verify this low-loss design. The double- bend and curved structures using the same principle for further loss improvement are also presented.

Citation Download Citation

Jau-Jan Deng and Yang-Tung Huang "Loss reduction of abrupt waveguide bends using Fabry-Perot cavity for optical interconnects", Proc. SPIE 3008, Miniaturized Systems with Micro-Optics and Micromechanics II, (11 April 1997); https://doi.org/10.1117/12.271411

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