Photon distribution at the output of a beam splitter for imbalanced input states

Hiromichi Nakazato, Saverio Pascazio, Magdalena Stobińska, Kazuya Yuasa

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

In the Hong-Ou-Mandel interferometric scheme, two identical photons that illuminate a balanced beam splitter always leave through the same exit port. Similar effects have been predicted and (partially) experimentally confirmed for multiphoton Fock-number states. In the limit of large photon numbers, the output distribution follows a (1-x2)-1/2 law, where x is the normalized imbalance in the output photon numbers at the two output ports. We derive an analytical formula that is also valid for imbalanced input photon numbers with a large total number of photons, and focus on the extent to which the hypothesis of perfect balanced input can be relaxed, discussing the robustness and universal features of the output distribution.

Original languageEnglish
Article number023845
JournalPhysical Review A
Volume93
Issue number2
DOIs
Publication statusPublished - 2016 Feb 26

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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