Time-resolved two-photon quantum interference

被引：145

作者：

Legero, T ^{[1
]}

Wilk, T ^{[1
]}

Kuhn, A ^{[1
]}

Rempe, G ^{[1
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2003年 / 77卷 / 08期

关键词：

D O I：

10.1007/s00340-003-1337-x

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The interference of two independent single-photon pulses impinging on a beam splitter is analysed in a generalised time-resolved manner. Different aspects of the phenomenon are elaborated using different representations of the single-photon wave packets, like the decomposition into single-frequency field modes or spatio-temporal modes matching the photonic wave packets. Both representations lead to equivalent results, and a photon-by-photon analysis reveals that the quantum-mechanical two-photon interference can be interpreted as a classical one-photon interference once a first photon is detected. A novel time-dependent quantum-beat effect is predicted if the interfering photons have different frequencies. The calculation also reveals that full two-photon fringe visibility can be achieved under almost any circumstances by applying a temporal filter to the signal.

引用

页码：797 / 802

页数：6

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