Apodized and Un-Apodized Sidewall Grating Filters with Low Coupling Constants in Ultra-Low-Loss Si3N4 Planar Waveguides

Michael Belt; Martijn J. R. Heck; Jonathon S. Barton; Jared F. Bauters; John E. Bowers; Daniel J. Blumenthal

doi:10.1364/OFC.2013.OTu3C.3

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013
OSA Technical Digest (online) (Optica Publishing Group, 2013),
paper OTu3C.3
•https://doi.org/10.1364/OFC.2013.OTu3C.3

Apodized and Un-Apodized Sidewall Grating Filters with Low Coupling Constants in Ultra-Low-Loss Si₃N₄ Planar Waveguides

Michael Belt, Martijn J. R. Heck, Jonathon S. Barton, Jared F. Bauters, John E. Bowers, and Daniel J. Blumenthal

Optical Fiber Communication Conference 2013

Anaheim, California United States
17–21 March 2013
ISBN: 978-1-55752-962-6

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Optical Filters (OTu3C)

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M. Belt, M. J. R. Heck, J. S. Barton, J. F. Bauters, J. E. Bowers, and D. J. Blumenthal, "Apodized and Un-Apodized Sidewall Grating Filters with Low Coupling Constants in Ultra-Low-Loss Si3N4 Planar Waveguides," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013, OSA Technical Digest (online) (Optica Publishing Group, 2013), paper OTu3C.3.

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Abstract

We demonstrate apodized and un-apodized sidewall grating filters in an ultra-low-loss planar Si₃N₄ integration platform. Record low coupling constants, as low as 0.19 cm⁻¹, and better than 5dB side-lobe suppression with apodization are reported.

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