Photon number states generated from a continuous-wave light source

Abstract

Conditional preparation of photon number states from a continuous-wave nondegenerate optical parametric oscillator is investigated. We derive the phase space Wigner function for the output state conditioned on photo detection events that are not necessarily simultaneous, and we maximize its overlap with the desired photon number state by choosing the optimal temporal output state mode function. We present a detailed numerical analysis for the case of two-photon state generation from a parametric oscillator driven with an arbitrary intensity below threshold, and in the low intensity limit, we present a formalism that yields the optimal output state mode function and fidelity for higher photon number states.

8 pages, 7 figures, v2: shortened version

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Cited by in corpus (11)

• Continuous-variable optical quantum state tomography
• Generation of large-amplitude coherent-state superposition via ancilla-assisted photon-subtraction
• Large amplitude coherent state superposition generated by a time-separated two-photon subtraction from a continuous wave squeezed vacuum
• Transforming squeezed light into a large amplitude coherent state superposition
• Conditional generation of path-entangled optical NOON states
• Temporally multiplexed superposition states of continuous variables
• Preparation of entangled states of two photons in several spatial modes
• Quantum teleportation of non-classical wave-packets, an effective multimode theory
• Experimental quantum state engineering with time-separated heraldings from a continuous-wave light source: a temporal-mode analysis
• Characterization of the multimode nature of single-photon sources based on spontaneous parametric down conversion
• On Bargmann Representations of Wigner Function