Parasitic nonlinearities in photon pair generation via integrated spontaneous four-wave mixing: Critical problem or distraction?

L. G. Helt; M. J. Steel; J. E. Sipe

doi:10.1063/1.4807503

Parasitic nonlinearities in photon pair generation via integrated spontaneous four-wave mixing: Critical problem or distraction?

L. G. Helt, M. J. Steel, J. E. Sipe

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Abstract

We consider integrated photon pair sources based on spontaneous four-wave mixing and derive expressions for the pump powers at which various nonlinear processes become relevant for a variety of source materials and structures. These expressions serve as rules of thumb in identifying reasonable parameter regimes for the design of such sources. We demonstrate that if pump powers are kept low enough to suppress cross-phase modulation, multi-pair events as well as many other nonlinear effects are often also constrained to negligible levels.

Original language	English
Article number	201106
Pages (from-to)	1-5
Number of pages	5
Journal	Applied Physics Letters
Volume	102
Issue number	20
DOIs	https://doi.org/10.1063/1.4807503
Publication status	Published - 20 May 2013

Bibliographical note

Copyright 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied physics letters, 102, 201106 (2013) and may be found at http://scitation.aip.org/content/aip/journal/apl/102/20/10.1063/1.4807503

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Parasitic nonlinearities in photon pair generation via integrated spontaneous four-wave mixing: Critical problem or distraction?

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