Design and analysis of ultra small radius micro-ring resonator

Cheng Yu Wang; Chih Wei Tseng; Chun Yen Chen; Chun Ta Wang; Yung Jui Chen

doi:10.1117/12.2017186

7 May 2013 Design and analysis of ultra small radius micro-ring resonator

Cheng Yu Wang, Chih Wei Tseng, Chun Yen Chen, Chun Ta Wang, Yung Jui Chen

Proceedings Volume 8781, Integrated Optics: Physics and Simulations; 87810A (2013) https://doi.org/10.1117/12.2017186
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

Small-radius microring resonator with large free spectral range (FSR) are of great interest for optical communication and optical interconnect applications. Multi-ring structures are used to generate a box-like spectrum with large FSR. However, coupling coefficient in conventional ring resonator structure is not large enough. In this paper, we design a novel conformal race-track structure to enlarge the interaction region between bus waveguide and microring, which can effectively enhance the coupling coefficient. The simulated results show that the power coupling coefficient of the conformal race-track structure with a conformal angle of 80° is around 9.32%, which is quite large for the criterion of multi-ring structure, so that we can design a box-like and narrow passband with large FSR .

Citation Download Citation

Cheng Yu Wang, Chih Wei Tseng, Chun Yen Chen, Chun Ta Wang, and Yung Jui Chen "Design and analysis of ultra small radius micro-ring resonator", Proc. SPIE 8781, Integrated Optics: Physics and Simulations, 87810A (7 May 2013); https://doi.org/10.1117/12.2017186

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