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Quantum Filtering (Quantum Trajectories) for Systems Driven by Fields in Single Photon States and Superposition of Coherent States
Quantum Trajectory Superposition of Coherent States Single Photon States
2011/10/8
Abstract: We derive the stochastic master equations, that is to say, quantum filters, and master equations for an arbitrary quantum system probed by a continuous-mode bosonic input field in two types ...
Quantum Filtering for Systems Driven by Fields in Single Photon States and Superposition of Coherent States using Non-Markovian Embeddings
quantum filtering continuous-mode single photon states continuous-mode superpositions of coherent states quantum stochastic processes
2011/10/8
Abstract: The purpose of this paper is to determine quantum master and filter equations for systems coupled to fields in certain non-classical continuous-mode states. Specifically, we consider two typ...
Quantum Master Equation and Filter for Systems Driven by Fields in a Single Photon State
Quantum Master Equation Filter Single Photon State Quantum Physics
2011/10/8
Abstract: The aim of this paper is to determine quantum master and filter equations for systems coupled to continuous-mode single photon fields. The system and field are described using a quantum stoc...
Quantum Interference between a Single-Photon Fock State and a Coherent State
Quantum Interference Single-Photon Fock State Coherent State
2010/10/19
ports of a beam splitter when a single-photon Fock state and a coherent state are incident on
the input ports. The output states turn out to be a statistical mixture between a displaced Fock state an...
Spin-squeezing and Dicke state preparation through single-photon heterodyne measurement
Dicke state single-photon heterodyne measurement
2010/3/10
We investigate the collapse of a coherent superposition of two-level atoms induced by a single-photon heterodyne quantum non-demolition (QND) measurement, and show that such a measurement process lead...
Pure single photon generation by type-I PDC with backward-wave amplification
Pure single photon type-I PDC backward-wave amplification
2010/4/8
We explore a promising method of generating pure heralded single photons. Our approach is based on parametric downconversion in a periodically-poled waveguide. However, unlike conventional downconvers...
Fully quantum-mechanical analytic results for single-photon transport in a single-mode waveguide coupled to a whispering-gallery resonator interacting with a two-level atom
quantum-mechanical analytic single-photon single-mode waveguide whispering-gallery resonator a two-level atom
2010/4/9
We analyze the single-photon transport in a single-mode waveguide coupled to a whispering-gallery-type resonator interacting with a two-level atom. The single-photon transport properties such as the t...
Theory of single-photon transport in a single-mode waveguide coupled to a cavity containing a two-level atom
single-photon transport a single-mode waveguide two-level atom
2010/4/9
The single-photon transport in a single-mode waveguide, coupled to a cavity embedded with a two-leval atom is analyzed. The single-photon transmission and reflection amplitudes, as well as the cavity ...
Scheme for proving the bosonic commutation relation using single-photon interference
Scheme bosonic commutation relation single-photon interference
2010/4/8
We propose an experiment to directly prove the commutation relation between bosonic annihilation and creation operators, based on the recent experimental success in single-photon subtraction and addit...