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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 4 — Feb. 15, 2014
  • pp: 914–917

Multichannel photon-pair generation using hydrogenated amorphous silicon waveguides

Ke-Yao Wang, Vesselin G. Velev, Kim Fook Lee, Abijith S. Kowligy, Prem Kumar, Mark A. Foster, Amy C. Foster, and Yu-Ping Huang  »View Author Affiliations


Optics Letters, Vol. 39, Issue 4, pp. 914-917 (2014)
http://dx.doi.org/10.1364/OL.39.000914


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Abstract

We demonstrate highly efficient photon-pair generation using an 8 mm long hydrogenated amorphous silicon (a-Si:H) waveguide in far-detuned multiple wavelength channels simultaneously, measuring a coincidence-to-accidental ratio as high as 400. We also characterize the contamination from Raman scattering and show it to be insignificant over a spectrum span of at least 5 THz. Our results highlight a-Si:H as a potential high-performance, CMOS-compatible platform for large-scale quantum applications, particularly those based on the use of multiplexed quantum signals.

© 2014 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(270.0270) Quantum optics : Quantum optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: November 1, 2013
Revised Manuscript: January 3, 2014
Manuscript Accepted: January 3, 2014
Published: February 10, 2014

Citation
Ke-Yao Wang, Vesselin G. Velev, Kim Fook Lee, Abijith S. Kowligy, Prem Kumar, Mark A. Foster, Amy C. Foster, and Yu-Ping Huang, "Multichannel photon-pair generation using hydrogenated amorphous silicon waveguides," Opt. Lett. 39, 914-917 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-4-914


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