Differential measurement of transmission losses of integrated optical components using waveguide ring resonators

Wei Shi; Ting Kai Chang; Han Yun; Wen Zhang; Yun Wang; Charlie Lin; Nicolas A. F. Jaeger; Lukas Chrostowski

doi:10.1117/12.2001409

24 October 2012 Differential measurement of transmission losses of integrated optical components using waveguide ring resonators

Wei Shi, Ting Kai Chang, Han Yun, Wen Zhang, Yun Wang, Charlie Lin, Nicolas A. F. Jaeger, Lukas Chrostowski

Author Affiliations +

Proceedings Volume 8412, Photonics North 2012; 84120R (2012) https://doi.org/10.1117/12.2001409
Event: Photonics North 2012, 2012, Montréal, Canada

Abstract

Development of large-scale photonic integrated circuits requires an accurate, simple, and space-efficient method for characterizing the optical losses of integrated optical components. Here we present a ring-resonator-based technique for transmission-loss measurement of integrated optical components. Y-branch splitters are used to demonstrate the concept. This measurement techique is based on characterizing the spectral response of a waveguide ring resonator with a number of Y-branches inserted inside the cavity. The measurement accuracy is intrinsically limited by the optical loss of the ring waveguide and is independent of fiber-to-waveguide coupling losses. The devices were fabricated using a CMOS-compatible silicon-on-insulator technology. Our results show that the proposed technique is promising for high-accuracy, high-efficiency characterization of optical losses. Limitations of and potential improvements to the technique are also discussed.

Citation Download Citation

Wei Shi, Ting Kai Chang, Han Yun, Wen Zhang, Yun Wang, Charlie Lin, Nicolas A. F. Jaeger, and Lukas Chrostowski "Differential measurement of transmission losses of integrated optical components using waveguide ring resonators", Proc. SPIE 8412, Photonics North 2012, 84120R (24 October 2012); https://doi.org/10.1117/12.2001409

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