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

Vaccinations01:51

Vaccinations

51.8K
Overview
51.8K
Cancer Vaccines01:30

Cancer Vaccines

1.1K
Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
1.1K

You might also read

Related Articles

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

Sort by
Same author

Steps toward developing an algorithm to facilitate recognition of translational science.

Journal of clinical and translational science·2026
Same author

Stem-like memory-T maintenance and differentiation into tissue-resident T cells sustain chronic graft-versus-host disease in mice.

Nature communications·2026
Same author

Toward Better and More Effective Clinical Trials for Chronic Graft-Versus-Host Disease.

Transplantation and cellular therapy·2025
Same author

Intestinal epithelial Ceacam1 deficiency prevents steroid-refractory acute gut graft-versus-host disease.

JCI insight·2025
Same author

Treatment Response in Individual Organs Affected by Chronic Graft-Versus-Host Disease.

Cells·2025
Same author

Allogeneic Hematopoietic Cell Transplantation in Elderly Patients in a Latin American Country: Analysis of 11 Year of Data from the Brazilian Registry SBTMO/CIBMTR.

Transplantation and cellular therapy·2024
Same journal

Daily briefing: 'Cyborg' cockroaches breathe underwater with printed suit.

Nature·2026
Same journal

China boosts prestigious grants for young scientists - will it ease competition?

Nature·2026
Same journal

Incoming US science academy chief vows to 'double down' on research.

Nature·2026
Same journal

Author Correction: Synthesis of enantioenriched atropisomers by biocatalytic deracemization.

Nature·2026
Same journal

Electrodeposited self-assembled molecules for perovskite photovoltaics.

Nature·2026
Same journal

Neutrino's nursery found: the 'Shadow Blaster'.

Nature·2026
See all related articles

Related Experiment Video

Updated: Feb 9, 2026

Vaccines, APCs and Memory Cells
01:51

Vaccines, APCs and Memory Cells

51.8K

Optical coherent state discrimination using a closed-loop quantum measurement.

Robert L Cook1, Paul J Martin, J M Geremia

  • 1Quantum Measurement & Control Group, Department of Physics and Astronomy, The University of New Mexico, Albuquerque, New Mexico 87131, USA.

Nature
|April 13, 2007
PubMed
Summary
This summary is machine-generated.

Researchers used real-time quantum feedback to perform optimal quantum measurements, overcoming limitations of the Heisenberg uncertainty principle. This technique emulates delicate quantum states for improved system state determination.

More Related Videos

Cancer Vaccines
01:30

Cancer Vaccines

1.1K

Related Experiment Videos

Last Updated: Feb 9, 2026

Vaccines, APCs and Memory Cells
01:51

Vaccines, APCs and Memory Cells

51.8K
Cancer Vaccines
01:30

Cancer Vaccines

1.1K

Area of Science:

  • Quantum Physics
  • Quantum Information Theory

Background:

  • Quantum mechanics inherently limits precise system state determination due to Heisenberg uncertainty and measurement invasiveness.
  • Implementing optimal quantum measurement strategies in laboratories is challenging, often requiring high-fidelity entangled or superposition-basis measurements.

Purpose of the Study:

  • To demonstrate an alternative method for achieving optimal quantum measurement.
  • To overcome the practical difficulties of implementing delicate quantum states like Schrödinger cat states for measurement.

Main Methods:

  • Utilized real-time quantum feedback to actively manipulate the quantum system during measurement.
  • Emulated an optimal 'cat-state' measurement by modifying the statistics of a sub-optimal operator using feedback.
  • Applied the technique to discriminate between optical coherent states.

Main Results:

  • Successfully implemented an optimal quantum measurement using quantum feedback, bypassing the need for a Schrödinger cat state.
  • Demonstrated feedback-mediated quantum measurement operating at the fundamental quantum limit.
  • Verified a long-standing theoretical prediction in quantum measurement theory.

Conclusions:

  • Real-time quantum feedback offers a viable and practical alternative to complex quantum states for optimal quantum measurements.
  • This approach advances the field of quantum information by providing a more accessible method for precise quantum state discrimination.