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Related Experiment Video

Updated: Jun 8, 2026

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

Arbitrarily large continuous-variable cluster states from a single quantum nondemolition gate.

Nicolas C Menicucci1, Xian Ma, Timothy C Ralph

  • 1Perimeter Institute for Theoretical Physics, Waterloo, Ontario N2L 2Y5, Canada.

Physical Review Letters
|September 28, 2010
PubMed
Summary
This summary is machine-generated.

Researchers developed a compact method to create large optical cluster states using a single squeezer and quantum gate. This approach enables simultaneous state generation and computation, simplifying requirements for advanced quantum computing.

Related Experiment Videos

Last Updated: Jun 8, 2026

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

Area of Science:

  • Quantum optics
  • Quantum information science

Background:

  • Continuous-variable cluster states are crucial resources for quantum computation and simulation.
  • Previous methods for generating large cluster states required complex and resource-intensive setups.

Purpose of the Study:

  • To present a novel, compact experimental design for generating arbitrarily large optical continuous-variable cluster states.
  • To demonstrate a method where cluster state generation and quantum computation occur concurrently.

Main Methods:

  • Utilizing a single-mode vacuum squeezer and a single quantum nondemolition (QND) gate.
  • Implementing a measurement-based scheme where measured modes become available for further computation.

Main Results:

  • The proposed design allows for the scalable production of large optical cluster states.
  • Simultaneous generation and computation reduce the stringent requirements on coherence and stability.
  • The system's finite resource needs allow for indefinitely increasing computation length.

Conclusions:

  • This compact experimental design offers a practical pathway towards scalable quantum computing using optical cluster states.
  • The simultaneous generation and computation paradigm simplifies the experimental demands for advanced quantum information processing.