Generation of a highly-phase-sensitive polarization-squeezed N-photon state by collinear parametric down-conversion and coherent photon subtraction

被引：10
|
作者：
Hofmann, Holger F. [1 ]
机构：
[1] Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima 7398530, Japan
来源：
PHYSICAL REVIEW A | 2006年 / 74卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.74.013808
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
It is shown that a highly-phase-sensitive polarization-squeezed (2n-1)-photon state can be generated by subtracting a diagonally polarized photon from the 2n photon component generated in collinear type II down-conversion. This polarization wedge state has the interesting property that its photon number distribution in the horizontal and vertical polarizations remains sharply defined for phase shifts of up to 1/n between the circularly polarized components. Phase shifts at the Heisenberg limit are therefore observed as nearly deterministic transfers of a single photon between the horizontal and vertical polarization components.
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页数：6
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