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Related Experiment Video

Updated: Nov 26, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Two-boson quantum interference in time.

Nicolas J Cerf¹, Michael G Jabbour²

¹Centre for Quantum Information and Communication, Ecole polytechnique de Bruxelles, Université libre de Bruxelles, 1050 Bruxelles, Belgium.

Proceedings of the National Academy of Sciences of the United States of America

|December 14, 2020

Summary

This summary is machine-generated.

Two identical bosons exhibit a new quantum interference effect in amplifiers, analogous to the Hong-Ou-Mandel effect seen at beam splitters. This discovery stems from time reversal symmetry and applies to bosonic Bogoliubov transformations.

Keywords:

boson bunching quantum interference time reversal

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Area of Science:

Quantum optics
Quantum information science
Fundamental physics

Background:

The Hong-Ou-Mandel effect demonstrates two-particle quantum interference for identical bosons.
This effect is rooted in particle symmetry and the Pauli principle.
Experiments typically use beam splitters to observe this phenomenon with photons or atoms.

Purpose of the Study:

To explore novel two-boson interference phenomena beyond beam splitters.
To investigate the implications of time reversal on quantum optical elements.
To identify the underlying quantum mechanical principles governing such effects.

Main Methods:

Theoretical analysis of two-boson dynamics under partial time reversal.
Investigating the transformation of a beam splitter coupling into amplification.
Identifying the role of time-like indistinguishability in quantum amplifiers.

Main Results:

Demonstrated that partial time reversal converts beam splitter coupling into amplification (gain of 2).
Discovered a new two-boson interferometric effect occurring within quantum amplifiers.
Identified time-like indistinguishability as the core mechanism for this effect.

Conclusions:

The findings reveal a new quantum interference effect in amplifiers, driven by time-like indistinguishability.
This effect is a consequence of bosonic Bogoliubov transformations and has broad applicability.
The research opens new avenues for quantum interference studies and applications in quantum physics.