Spectrally resolved two-photon interference in a modified Hong-Ou-Mandel interferometer

Abstract

A modified Hong--Ou--Mandel (HOM) interference reveals that the two-photon interference phenomenon can be explained only by the concept of a two-photon wave packet rather than a single-photon one. However, the temporal interferogram in the modified HOM interferometer becomes flat in some cases so that no useful information can be extracted from time-domain measurement. Here, we theoretically explore such temporal interferogram from the frequency domain and obtain the spectrally resolved interference with high visibility. The result represents a modulation of the joint spectral intensity along both the frequency sum and the frequency difference directions. This is quite different from the cases of the spectrally resolved HOM interference and N00N state interference where the modulations happened only in one direction. Moreover, we have shown that such modulations have a potential application in the generation and characterization of high-dimensional frequency entanglement.

10 pages, 4 figures

References in corpus (3)

• Spectral Correlation Measurements at the Hong-Ou-Mandel Interference Dip
• Extended Wiener-Khinchin theorem for quantum spectral analysis
• Spectrally-resolved Hong-Ou-Mandel interferometry for Quantum-Optical Coherence Tomography

Cited by in corpus (7)

• Quantum interferometers: principles and applications
• Comparison of multi-mode Hong-Ou-Mandel interference and multi-slit interference
• Ultrafast electro-optic Time-Frequency Fractional Fourier Imaging at the Single-Photon Level
• Complete spectral characterization of biphotons by simultaneously determining its frequency sum and difference in a single quantum interferometer
• Sample-half-inserted quantum interferometer
• Multiparameter cascaded quantum interferometer
• Harnessing Hybrid Frequency-Entangled Qudits through Quantum Interference