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Proceedings Paper

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

Paper Details

Date Published: 24 October 2012
PDF: 6 pages
Proc. SPIE 8412, Photonics North 2012, 84120R (24 October 2012); doi: 10.1117/12.2001409
Show Author Affiliations
Wei Shi, The Univ. of British Columbia (Canada)
Ting Kai Chang, The Univ. of British Columbia (Canada)
Han Yun, The Univ. of British Columbia (Canada)
Wen Zhang, The Univ. of British Columbia (Canada)
Yun Wang, The Univ. of British Columbia (Canada)
Charlie Lin, The Univ. of British Columbia (Canada)
Nicolas A. F. Jaeger, The Univ. of British Columbia (Canada)
Lukas Chrostowski, The Univ. of British Columbia (Canada)


Published in SPIE Proceedings Vol. 8412:
Photonics North 2012
Jean-Claude Kieffer, Editor(s)

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