Indistinguishability and correlations of photons generated by quantum emitters undergoing spectral diffusion

被引：11
作者：
Dorfman, Konstantin E. [1 ]
Mukamel, Shaul [1 ]
机构：
[1] Univ Calif Irvine, Irvine, CA 92697 USA
来源：
SCIENTIFIC REPORTS | 2014年 / 4卷
基金：
美国国家科学基金会;
关键词：
UP-CONVERSION; TIME; INTERFERENCE; MOLECULES; LIGHT;
D O I：
10.1038/srep03996
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Photon-based quantum information processing is based on manipulating multi photon interference. We focus on the Hong-Ou-Mandel (HOM) dip in the photon coincidence rate which provides a direct measure of interference of indistinguishable photons linked to their Bose statistics. The effect has been first observed with entangled photons generated by parametric down conversion and then extended to independent emitters. Fluctuations caused by coupling between emitters and a bath can erode the interference which causes the dip. Here we show how the magnitude and shape of the HOM dip is affected by spectral diffusion induced by coupling to a brownian oscillator bath. Conditions for maintaining and controlling the interference are specified.
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页数：6
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