Quantum filtering for systems driven by fields in single-photon states or superposition of coherent states

被引：80
|
作者：
Gough, John E. [1 ]
James, Matthew R. [2 ]
Nurdin, Hendra I.
Combes, Joshua [3 ]
机构：
[1] Aberystwyth Univ, Inst Math & Phys, Aberystwyth SY23 3BZ, Dyfed, Wales
[2] Australian Natl Univ, Res Sch Engn, ARC Ctr Quantum Computat & Commun Technol, Canberra, ACT 0200, Australia
[3] Univ New Mexico, Ctr Quantum Informat & Control, Albuquerque, NM 87131 USA
来源：
PHYSICAL REVIEW A | 2012年 / 86卷 / 04期
基金：
美国国家科学基金会; 英国工程与自然科学研究理事会; 澳大利亚研究理事会;
关键词：
GENERATION; EQUATIONS; OUTPUT;
D O I：
10.1103/PhysRevA.86.043819
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 of nonclassical states. Specifically, we consider the cases where the state of the input field is a superposition or combination of (1) a continuous-mode, single-photon wave packet and vacuum, and (2) any continuous-mode coherent states.
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页数：14
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