Session 13 Advances Passive Photonic Devices ECIO 2020

These papers were presented in the session 13 Advances Passive Photonic Devices during the European Conference on Integrated Optics, 22nd edition 2020 in Paris

Discretely tunable optical delay lines using step-chirped subwavelength grating Bragg gratings (Student’s paper)

Hao Sun1 and Lawrence R. Chen1
1 Department of Electrical and Computer Engineering, McGill University, Montreal, QC H3A 0E9 Canada
e-mail: lawrence.chen@mcgill.ca

ABSTRACT
A discretely tunable optical delay line based on step-chirped subwavelength grating Bragg gratings is proposed and experimentally demonstrated. A total delay of 55 ps in steps of 9 ps is obtained over an operating bandwidth of 29 nm. The device is fabricated using electron beam lithography with a single etch in silicon on insulator.
Keywords: subwavelength grating, silicon photonics, time delay, Bragg grating

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These papers were presented in the session 13 Advances Passive Photonic Devices during the European Conference on Integrated Optics, 22nd edition 2020 in Paris

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