Time-resolved two-photon quantum interference. Legero, T., Wilk, T., Kuhn, A., & Rempe, G. Applied Physics B, 77(8):797–802, December, 2003.
Time-resolved two-photon quantum interference [link]Paper  doi  abstract   bibtex   
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.
@article{legero_time-resolved_2003,
	title = {Time-resolved two-photon quantum interference},
	volume = {77},
	issn = {1432-0649},
	url = {https://doi.org/10.1007/s00340-003-1337-x},
	doi = {10.1007/s00340-003-1337-x},
	abstract = {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.},
	language = {en},
	number = {8},
	urldate = {2020-09-16},
	journal = {Applied Physics B},
	author = {Legero, T. and Wilk, T. and Kuhn, A. and Rempe, G.},
	month = dec,
	year = {2003},
	pages = {797--802},
}

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