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Authors: P. De Heyn, B. Kuyken, D. Vermeulen, W. Bogaerts, D. Van Thourhout
Title: Improved intrinsic Q of Silicon-on-Insulator microring resonators using TM-polarized light
Format: International Conference Proceedings
Publication date: 11/2010
Journal/Conference/Book: Proceedings of the 2010 Annual Symposium of the IEEE Photonics Benelux Chapter
Volume(Issue): p.197-200
Location: Delft, Netherlands
Citations: Look up on Google Scholar
Download: Download this Publication (227KB) (227KB)


Microring resonators on Silicon-on-Insulator are investigated for both orthogonal polarizations. We demonstrate low-loss single order microring notch (intrinsic Q up to 340000) and ad-drop filters with high roll-off using TM-polarized light. Compared to TE-polarized light, the fundamental TM mode in silicon waveguides is hardly affected by the sidewall roughness, resulting in an improved optical loss (1.94dB/cm).

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