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 Experiment Videos

Photon counting with a loop detector.

Konrad Banaszek1, Ian A Walmsley

  • 1Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, UK. k.banaszek@qubit.org

Optics Letters
|March 27, 2003
PubMed
Summary
This summary is machine-generated.

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

A complexity transition in displaced Gaussian Boson sampling.

NPJ quantum information·2025
Same author

Bayesian approach to coherent combination of single photon beams.

Optics express·2024
Same author

SPIDERweb: a neural network approach to spectral phase interferometry.

Optics letters·2024
Same author

Deterministic storage and retrieval of telecom light from a quantum dot single-photon source interfaced with an atomic quantum memory.

Science advances·2024
Same author

Beating the spectroscopic Rayleigh limit via post-processed heterodyne detection.

Optics letters·2024
Same author

A universal programmable Gaussian boson sampler for drug discovery.

Nature computational science·2024
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

We developed a novel photon-counting detector using a fiber loop and avalanche photodiode to resolve multiphoton events. This design enables precise photon number determination and conditional state preparation for quantum applications.

Area of Science:

  • Quantum optics
  • Photon detection
  • Quantum information science

Background:

  • Accurate photon counting is crucial for quantum optics and information processing.
  • Existing detectors face challenges in resolving multiphoton events and determining photon number distributions.

Purpose of the Study:

  • To propose and analyze a novel photon-counting detector design.
  • To enable the resolution of multiphoton events.
  • To facilitate the reconstruction of photon-number distributions and conditional-state preparation.

Main Methods:

  • Utilizing a fiber loop to trap input optical fields.
  • Employing a fast electro-optic switch for field control.
  • Using a weakly coupled avalanche photodiode for signal detection.

Related Experiment Videos

  • Analyzing detector response to arbitrary input fields.

    • Main Results:

    • The proposed detector can resolve multiphoton events.
    • Count statistics allow reconstruction of the photon-number distribution.
    • The setup is applicable to conditional-state preparation.

    Conclusions:

    • The fiber loop-based photon-counting detector offers a promising approach for advanced quantum measurements.
    • This technology can enhance quantum state preparation and characterization.
    • The design provides a new tool for quantum optics research.