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State-dependent Photon Blockade via Quantum-reservoir Engineering by Miranowicz, Adam; Bajer, Jiri; Paprzycka, Malgorzata; Liu, Yu-xi; Zagoskin, Alexandre M.; Nori, Franco is a scholarly article available to read on EtoBox.

What is State-dependent Photon Blockade via Quantum-reservoir Engineering about?

An arbitrary initial state of an optical or microwave field in a lossy driven nonlinear cavity can be changed, in the steady-state limit, into a partially incoherent superposition of only the vacuum and the single-photon states. This effect is known as single-photon blockade, which is usually analyzed for a Kerr-type nonlinear cavity parametrically driven by a single-photon process assuming single-photon loss mechanisms. We study photon blockade engineering via a squeezed reservoir, i.e., a quantum reservoir, where only two-photon absorption is allowed. Namely, we analyze a lossy nonlinear cavity parametrically driven by a two-photon process and allowing two-photon loss mechanisms, as described by the master equation derived for a two-photon absorbing reservoir. The nonlinear cavity engineering can be realized by a linear cavity with a tunable two-level system via the Jaynes-Cummings interaction in the dispersive limit. We show that by tuning properly the frequencies of the driving field and the two-level system, the steady state of the cavity field can be the single-photon Fock state or a partially incoherent superposition of several Fock states with photon numbers, e.g., (0,2), (

Author

Miranowicz, Adam; Bajer, Jiri; Paprzycka, Malgorzata; Liu, Yu-xi; Zagoskin, Alexandre M.; Nori, Franco

Published

2014

Language

EN