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Related Concept Videos

Raman Spectroscopy Instrumentation: Overview01:26

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A conventional Raman spectrophotometer includes a laser source, a sample holding system, a wavelength selector, and a detector.
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Stimulated Raman Adiabatic Passage in Optomechanics.

Vitaly Fedoseev1, Fernando Luna2, Ian Hedgepeth2

  • 1Huygens-Kamerlingh Onnes Laboratorium, Leiden University, 2333 CA, Leiden, Netherlands.

Physical Review Letters
|April 2, 2021
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Summary

We demonstrate stimulated Raman adiabatic passage (STIRAP) in optomechanics to transfer mechanical states efficiently. This method avoids optical decay, enabling long-lived quantum states for quantum information science.

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Area of Science:

  • Optomechanics
  • Quantum Information Science
  • Quantum Optics

Background:

  • Multimode optomechanical systems couple mechanical modes via optical radiation pressure.
  • State transfer fidelity is typically limited by optical cavity decay.

Purpose of the Study:

  • To demonstrate stimulated Raman adiabatic passage (STIRAP) in optomechanics.
  • To achieve coherent state transfer between mechanical modes while avoiding optical decay channels.

Main Methods:

  • Utilizing stimulated Raman adiabatic passage (STIRAP) in an optomechanical setup.
  • Employing a membrane in a high-finesse optical cavity.
  • Transferring coherent mechanical excitation between vibrational modes.

Main Results:

  • Achieved an 86% transfer efficiency for coherent mechanical excitation.
  • Demonstrated STIRAP in optomechanics, bypassing the optical decay channel.
  • Leveraged high mechanical quality factors for robust state transfer.

Conclusions:

  • STIRAP in optomechanics enables efficient, high-fidelity state transfer between mechanical modes.
  • This technique facilitates the generation, storage, and manipulation of long-lived mechanical quantum states.
  • The findings are crucial for advancing quantum information science and exploring macroscopic quantum phenomena.