Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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

Valley-Dependent Emission Patterns Enabled by Plasmonic Nanoantennas.

ACS nano·2026
Same author

Enhanced Photon-Pair Generation from a van der Waals Metasurface.

Nano letters·2025
Same author

Nonlinearity symmetry breaking for generating tunable quantum entanglement in semiconductor metasurfaces.

Science advances·2025
Same author

Metasurface-enabled small-satellite polarisation imaging.

Nanoscale advances·2025
Same author

Integrated generation of vortices and frequency conversion with metasurfaces.

Light, science & applications·2025
Same author

Inverse design of nonlinear metasurfaces for sum frequency generation.

Nanophotonics (Berlin, Germany)·2024

Related Experiment Video

Updated: May 2, 2026

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

16.4K

Photon pair generation and pump filtering in nonlinear adiabatic waveguiding structures.

Che Wen Wu, Alexander S Solntsev, Dragomir N Neshev

    Optics Letters
    |February 25, 2014
    PubMed
    Summary

    We present a new method for creating Bell states using coupled waveguides. This technique simultaneously filters out unwanted photons, ensuring high purity for quantum applications.

    More Related Videos

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

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

    Published on: September 5, 2019

    9.8K
    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

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

    Published on: May 30, 2014

    13.9K

    Related Experiment Videos

    Last Updated: May 2, 2026

    Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
    12:18

    Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

    Published on: August 5, 2013

    16.4K
    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

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

    Published on: September 5, 2019

    9.8K
    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
    09:23

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

    Published on: May 30, 2014

    13.9K

    Area of Science:

    • Quantum optics
    • Nonlinear optics
    • Integrated photonics

    Background:

    • Bell states are crucial for quantum information processing.
    • Spontaneous parametric down-conversion (SPDC) is a common method for generating entangled photon pairs.
    • Spatial filtering is often required to remove pump photons, complicating experimental setups.

    Purpose of the Study:

    • To propose and analyze a novel integrated scheme for generating Bell states.
    • To achieve simultaneous spatial filtering of pump photons during Bell state generation.
    • To explore the potential of adiabatic coupling in nonlinear waveguides for quantum state preparation.

    Main Methods:

    • Theoretical analysis of photon-pair generation in adiabatically coupled nonlinear waveguides.
    • Derivation of optimal conditions for generating specific Bell states.
    • Numerical simulations of device performance under realistic conditions.
    • Investigation of spatial filtering capabilities of adiabatic couplers.

    Main Results:

    • Identified optimal conditions for generating distinct Bell states.
    • Demonstrated that adiabatic coupling effectively filters pump photons from entangled pairs.
    • Showcased the generation of high-purity Bell states.
    • Confirmed the fabrication-fault-tolerant nature of the proposed scheme.

    Conclusions:

    • Adiabatically coupled nonlinear waveguides offer an efficient integrated scheme for Bell state generation.
    • The method provides simultaneous spatial filtering, enhancing the purity of generated quantum states.
    • This approach is robust against fabrication imperfections, paving the way for practical quantum technologies.