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Proceedings Paper

Nonlinear processes in lossy microring resonators
Author(s): P. M. Alsing; E. E. Hach
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Paper Abstract

Microring resonators (MRR) are becoming a standard resource for highly efficient entangled photon pair generation. We examine the nonlinear processes in MRR using an input-output formalism that explicitly accounts for the contribution of the round trip circulation of the fields inside the MRR. This formalism reduces to the standard Langevin operator input-output formalism for cavities in the high cavity Q limit, near cavity resonances. Our approach is more general, applicable for arbitrary internal and bus-ring coupling losses, and away from resonances. We compare/contrast these two formalisms, and apply our approach to the output quantum state resulting from spontaneous parametric down conversion and spontaneous four wave mixing within the MRR. We compare our results to similar calculations employing the standard IO formalism, and note the role of the commutators of the noise operators on the undesired accidental singles rate.

Paper Details

Date Published: 5 October 2017
PDF: 14 pages
Proc. SPIE 10442, Quantum Information Science and Technology III, 104420M (5 October 2017); doi: 10.1117/12.2278576
Show Author Affiliations
P. M. Alsing, Air Force Research Lab. (United States)
E. E. Hach, Rochester Institute of Technology (United States)

Published in SPIE Proceedings Vol. 10442:
Quantum Information Science and Technology III
Mark T. Gruneisen; Miloslav Dusek; John G. Rarity, Editor(s)

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