Abstract

We theoretically investigate quantum interference of two single photonsat a lossy asymmetric beam splitter, the most general passive 22 opticalcircuit. The losses in the circuit result in a non-unitary scatteringmatrix with a non-trivial set of constraints on the elements of thescattering matrix. Our analysis using the noise operator formalism showsthat the loss allows tunability of quantum interference to an extent notpossible with a lossless beam splitter. Our theoretical studies supportthe experimental demonstrations of programmable quantum interference inhighly multimodal systems such as opaque scattering media and multimodefibers.

URL

https://www.osapublishing.org/oe/abstract.cfm?uri=oe-24-15-16440

Authors

T. A. W. Wolterink, T. B. H. Tentrup, R. Uppu, P.W.H. Pinkse

Year of publication

2016

Date published

07/2016

Journal

Opt. Express

Volume

24

Pages

16440-16449

Keywords

beam splitters, quantum optics