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Proceedings Paper

A ring resonator optical amplitude modulator using coupling control via carrier injection in the coupler
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Paper Abstract

A silicon racetrack resonator modulator, based on phase-match control, is proposed. The device is comprised of a straight waveguide evanescently coupled to a ring resonator in the shape of a racetrack. A PN junction, formed in the straight waveguide, is used to control the degree of phase-match in the coupler. Consequently, the coupling, and hence the power transmission, is controlled by the voltage across the PN junction. The predicted free spectral range and switching voltage are, respectively, 0.4 nm and 7.5 Volt, while the device dimensions are approximately 0.7 mm by 0.15 mm. The device behavior is analyzed using two different analytic approaches for the coupling, the results of which are compared to numerical simulations.

Paper Details

Date Published: 24 October 2012
PDF: 7 pages
Proc. SPIE 8412, Photonics North 2012, 84121B (24 October 2012); doi: 10.1117/12.2001458
Show Author Affiliations
Michael Gad, The Univ. of British Columbia (Canada)
Wei Shi, The Univ. of British Columbia (Canada)
Lukas Chrostowski, The Univ. of British Columbia (Canada)
Nicolas A. F. Jaeger, The Univ. of British Columbia (Canada)


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

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