Measurement-induced Nonlinearity in Linear Optics
Stefan Scheel, Kae Nemoto, William J. Munro, Peter L. Knight
Abstract
We investigate the generation of nonlinear operators with single photon sources, linear optical elements and appropriate measurements of auxiliary modes. We provide a framework for the construction of useful single-mode and two-mode quantum gates necessary for all-optical quantum information processing. We focus our attention generally on using minimal physical resources while providing a transparent and algorithmic way of constructing these operators.
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