Conditional preparation of states containing a definite number of photons

Details Conditional preparation of states containing a definite number of photons Conditional preparation of states containing a definite number of photons

2007-09-28

arxiv.org/abs/0709.4644v2

Physics

Quantum Physics

6 pages, 6 figures, reference added, typos corrected, content updated

Scientific paper

10.1103/PhysRevA.77.023804

A technique for conditionally creating single- or multimode photon-number states is analyzed using Bayesian theory. We consider the heralded N-photon states created from the photons produced by an unseeded optical parametric amplifier when the heralding detector is the time-multiplexed photon-number-resolving detector recently demonstrated by Fitch, et al. [Phys. Rev. A 68, 043814 (2003).] and simultaneously by Achilles, et al. [Opt. Lett. 28, 2387 (2003).]. We find that even with significant loss in the heralding detector, fields with sub-Poissonian photon-number distributions can be created. We also show that heralded multimode fields created using this technique are more robust against detector loss than are single-mode fields.

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