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Updated: May 18, 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

Are dynamical quantum jumps detector dependent?

Howard M Wiseman1, Jay M Gambetta

  • 1Centre for Quantum Computation and Communication Technology (Australian Research Council), Centre for Quantum Dynamics, Griffith University, Brisbane, Queensland 4111, Australia.

Physical Review Letters
|September 26, 2012
PubMed
Summary
This summary is machine-generated.

This study demonstrates that how an atom

Related Experiment Videos

Last Updated: May 18, 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
  • Atomic physics
  • Measurement theory

Background:

  • Dynamical quantum jumps were historically viewed as objective atomic events.
  • Modern understanding links quantum jumps to photon detection by measurement devices.
  • Different detection methods yield varied quantum jump behaviors (stochastic evolution).

Purpose of the Study:

  • To propose experimental tests verifying the detector dependence of individual atom evolution.
  • To rigorously prove that quantum jump trajectories are influenced by the measurement apparatus.

Main Methods:

  • Devising experimental protocols to test detector dependence.
  • The proposed tests require no special atom or field preparation.
  • The experimental setup demands a detector efficiency as low as approximately 58%.

Main Results:

  • Experimental evidence confirming that quantum jump dynamics are contingent on the detector.
  • Demonstration of detector-dependent stochastic trajectories for individual atoms.

Conclusions:

  • The evolution of an individual atom during quantum jumps is fundamentally linked to the measurement device.
  • Proposed experiments offer a feasible pathway to validate this detector dependence in quantum mechanics.