Linear quantum optical bare raising operator

Radtke, Jennifer C J and Oi, Daniel K L and Jeffers, John (2017) Linear quantum optical bare raising operator. Journal of Physics B: Atomic, Molecular and Optical Physics, 50 (21). 215501. ISSN 0953-4075

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    Abstract

    We propose a simple implementation of the bare raising operator on coherent states via conditional measurement, which succeeds with high probability and fidelity. This operation works well not only on states with a Poissonian photon number distribution but also for a much wider class of states. As a part of this scheme, we highlight an experimentally testable effect in which a single photon is induced through a highly reflecting beamsplitter by a large amplitude coherent state, with probability in the limit of large coherent state amplitude.