Exclusive Hong-Ou-Mandel zero-coincidence point

Abstract

A generalized multi-parameter Hong-Ou-Mandel interferometer is presented which extends the conventional "Mandel dip" configuration to the case where a symmetric biphoton source is used to monitor the contemporary presence of k independent time-delays. Our construction results in a two-input/two-output setup, obtained by concatenating 50:50 beam splitters with a collection of adjustable achromatic wave-plates. For k=1,2 and k=4 explicit examples can be exhibited that prove the possibility of uniquely linking the zero value of the coincidence counts registered at the output of the interferometer, with the contemporary absence of all the time-delays. Interestingly enough the same result cannot be extended to k=3. Besides, the sensitivity of the interferometer is analyzed when the time-delays are affected by the fluctuations over time-scales that are larger than the inverse of the frequency of the pump used to generate the biphoton state.

arXiv comment12 pages, 5 figures

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Cited by in corpus (4)

• Quantum state transfer between two photons with polarization and orbital angular momentum via quantum teleportation technology
• Quantum multiparameter estimation enhanced by a topological phase transition
• Untwining multiple parameters at the exclusive zero-coincidence points with quantum control
• Multiparameter cascaded quantum interferometer