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

Remote preparation of arbitrary time-encoded single-photon ebits.

Alessandro Zavatta1, Milena D'Angelo, Valentina Parigi

  • 1Istituto Nazionale di Ottica Applicata, CNR, Largo Enrico Fermi, 6, I-50125 Florence, Italy.

Physical Review Letters
|February 21, 2006
PubMed
Summary

Researchers developed a new method for remote preparation of entangled bits (ebits) using single photons. This tunable source allows for arbitrary entanglement, crucial for quantum information technologies.

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

Temporal limitations and digital data processing in continuous variable measurements of non-Gaussian states.

Optics express·2026
Same author

Finite-Aperture Limits for Yaw Estimation in Confocal Non-Line-of-Sight Imaging.

Journal of imaging·2026
Same author

Quantum noise in ranging with optical pulses.

Optics letters·2026
Same author

Real-time monitoring of multimode squeezing.

Nature communications·2026
Same author

Experimental memory control in continuous-variable optical quantum reservoir computing.

Nature photonics·2026
Same author

Entanglement routing via passive optics in CV-networks.

EPJ quantum technology·2026

Area of Science:

  • Quantum Information Science
  • Quantum Optics
  • Photonics

Background:

  • Entangled bits (ebits) are fundamental to quantum information processing.
  • Remote preparation of entangled states is challenging but essential for quantum networks.
  • Single-photon states delocalized in time offer unique properties for quantum applications.

Purpose of the Study:

  • To propose and experimentally verify a novel method for remote preparation of entangled bits (ebits).
  • To demonstrate a remotely tunable source for generating arbitrary entangled states (maximally or non-maximally).
  • To explore the potential of single photons delocalized in temporal modes for quantum information technology.

Main Methods:

  • Utilizing a single photon coherently delocalized in two well-separated temporal modes.

Related Experiment Videos

  • Developing a remotely tunable source for arbitrary ebit generation.
  • Employing homodyne tomography with an ultrafast balanced homodyne detection scheme for characterization.

    • Main Results:

    • Successful experimental verification of the proposed remote ebit preparation method.
    • Demonstration of a tunable source capable of tailoring arbitrary entangled states.
    • Characterization of the remotely prepared ebit using advanced detection techniques.

    Conclusions:

    • The novel method provides a flexible and remotely controllable source for entangled bits.
    • This technique is highly desirable for advancing quantum information technology and quantum communication.
    • The study highlights the utility of single photons in temporal modes for quantum applications.