Search research articles

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

An operational distinction between quantum entanglement and classical non-separability.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2024

Same author

Visualizing hypochlorous acid production by human neutrophils with fluorescent graphene quantum dots.

Nanotechnology·2021

See all related articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Dec 7, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

Integrated Source of Path-Entangled Photon Pairs with Efficient Pump Self-Rejection.

Pablo de la Hoz¹, Anton Sakovich², Alexander Mikhalychev²

¹School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews KY16 9SS, UK.

Nanomaterials (Basel, Switzerland)

|October 3, 2020

Summary

We propose a novel integrated source for generating entangled photon pairs using four-wave mixing. This method achieves high pump light rejection, simplifying future quantum optics experiments.

Keywords:

coherent diffusive photonics entangled photons generation four-wave mixing

More Related Videos

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

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Related Experiment Videos

Last Updated: Dec 7, 2025

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

Published on: September 5, 2019

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

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Area of Science:

Quantum optics
Nonlinear photonics
Integrated photonics

Background:

Generating entangled photon pairs is crucial for quantum information processing.
Existing methods often struggle with efficient pump light suppression, complicating experiments.
Integrated photonic platforms offer miniaturization and scalability for quantum technologies.

Purpose of the Study:

To theoretically propose an integrated source for narrow-band, path-entangled photon pairs.
To achieve efficient spatial pump self-rejection without external filtering.
To explore the generation of two-photon NOON states with similar pump rejection.

Main Methods:

Utilizing correlated loss in a waveguide system within Kerr nonlinear media.
Engineering dissipation to attenuate a symmetric collective mode.
Leveraging the antisymmetric mode for photon pair generation.

Main Results:

Calculated pump rejection exceeding 100 dB.
Demonstrated feasibility in various waveguide materials including fused silica, IG2, indium phosphide (InP), and silicon.
Proposed a method for generating two-photon NOON states with intrinsic pump suppression.

Conclusions:

The proposed scheme offers a robust method for generating high-quality entangled photons.
Efficient pump rejection simplifies experimental setups and enhances signal-to-noise ratios.
The approach is compatible with established integrated photonic fabrication techniques.