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

Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

8.3K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
8.3K

You might also read

Related Articles

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

Sort by
Same author

Ultra-stable and high-performance squeezed vacuum source enabled via artificial intelligence control.

Science advances·2025
Same author

Coherent feedback enhanced quantum-dense metrology in a lossy environment.

Optics express·2024
Same author

Interferometry-Integrated Noise-Immune Quantum Memory.

Physical review letters·2023
Same author

Protection of Noise Squeezing in a Quantum Interferometer with Optimal Resource Allocation.

Physical review letters·2023
Same author

Sensing the performance enhancement via asymmetric gain optimization in the atom-light hybrid interferometer.

Optics express·2022
Same author

SU(2)-in-SU(1,1) Nested Interferometer for High Sensitivity, Loss-Tolerant Quantum Metrology.

Physical review letters·2022

Related Experiment Video

Updated: Aug 9, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

8.5K

Enhanced phase sensitivity in a Mach-Zehnder interferometer via photon recycling.

Dong Li, Chun-Hua Yuan, Xiaoping Ma

    Optics Express
    |February 24, 2023
    PubMed
    Summary

    We developed a new Mach-Zehnder interferometer (MZI) scheme using photon recycling for enhanced phase estimation. This method significantly improves phase sensitivity beyond traditional MZIs, even with photon loss.

    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

    8.5K
    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

    14.6K

    Related Experiment Videos

    Last Updated: Aug 9, 2025

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
    12:19

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

    Published on: April 4, 2017

    8.5K
    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

    8.5K
    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

    14.6K

    Area of Science:

    • Quantum optics
    • Interferometry

    Background:

    • Mach-Zehnder interferometers (MZI) are crucial for phase estimation.
    • Traditional MZI schemes have limitations in phase sensitivity.

    Purpose of the Study:

    • To propose and analyze an alternative MZI scheme with photon recycling.
    • To demonstrate enhanced phase sensitivity and a lower quantum Cramér-Rao bound (QCRB).

    Main Methods:

    • Utilizing a Mach-Zehnder interferometer with a photon recycling mechanism.
    • Employing coherent-state input and homodyne detection.
    • Investigating phase sensitivity and QCRB under photon loss.

    Main Results:

    • The proposed scheme achieves a phase sensitivity enhancement factor of ~9.32 compared to conventional MZIs.
    • The scheme demonstrates a lower QCRB than the traditional MZI.
    • The QCRB in the proposed scheme is phase-shift dependent, unlike the traditional scheme.

    Conclusions:

    • Photon recycling offers a viable strategy for enhancing phase sensitivity in MZIs.
    • The new scheme provides superior performance in phase estimation, even with photon loss.
    • This work offers novel insights into optimizing interferometric phase sensing.