Subwavelength grating filters in SOI

Wang, Junjia and Glesk, Ivan and Chen, Lawrence R.; (2015) Subwavelength grating filters in SOI. In: 2015 IEEE 12th International Conference on Group IV Photonics (GFP). IEEE Photonics Society, CAN, pp. 86-87. ISBN 978-1-4799-8255-4

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    We demonstrate subwavelength grating filters in silicon-on-insulator based on Bragg gratings and racetrack resonators. The Bragg grating has a 3 dB bandwidth = 0.5 nm and reflectivity > 90%; the resonator has a 3 dB bandwidth = 1 nm and extinction ratio > 33 dB.