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Proceedings Paper

Theoretical analysis of on-chip linear quantum optical information processing networks
Author(s): Edwin E. Hach; Stefan F. Preble; Jeffrey A. Steidle
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Paper Abstract

We present a quantum optical analysis of waveguides directionally coupled to ring resonators, an architecture realizable using silicon nanophotonics. The innate scalability of the silicon platform allows for the possibility of “on-chip” quantum computation and information processing. In this paper, we briefly review a comprehensive method for analyzing the quantum mechanical output of such a network for an arbitrary input state of the quantized, traveling electromagnetic field in the continuous wave (cw) limit. Specifically, we briefly review a recent theoretical result identifying a particular device topology that yields, via Passive Quantum Optical Feedback (PQOF), dramatic and unexpected enhancements of the Hong-Ou-Mandel Effect, an effect central to the operation of many quantum information processing systems. Next, we extend the analysis to our proposal for a scalable, on-chip realization of the Nonlinear Sign (NS) shifter essential for implementation of the Knill-Laflamme-Milburn (KLM) protocol for Linear Optical Quantum Computing (LOQC). Finally, we discuss generalizations to arbitrary networks of directionally coupled ring resonators along with possible applications is the areas of quantum metrology and sensitive photon detection.

Paper Details

Date Published: 21 May 2015
PDF: 15 pages
Proc. SPIE 9500, Quantum Information and Computation XIII, 950012 (21 May 2015); doi: 10.1117/12.2177013
Show Author Affiliations
Edwin E. Hach, Rochester Institute of Technology (United States)
Stefan F. Preble, Rochester Institute of Technology (United States)
Jeffrey A. Steidle, Rochester Institute of Technology (United States)


Published in SPIE Proceedings Vol. 9500:
Quantum Information and Computation XIII
Eric Donkor; Andrew R. Pirich; Michael Hayduk, Editor(s)

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