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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Published on: November 11, 2013

Toward quantum processing in molecules: a THz-bandwidth coherent memory for light.

Philip J Bustard1, Rune Lausten, Duncan G England

  • 1National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada.

Physical Review Letters
|September 10, 2013
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel molecular memory for light, storing photons in hydrogen molecule vibrations. This breakthrough enables compact, ultrafast quantum photonic technologies.

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Area of Science:

  • Quantum physics
  • Molecular physics
  • Photonics

Background:

  • Quantum mechanics enables novel technologies beyond classical physics.
  • Current quantum devices often use atoms, ions, or solid-state media.
  • Molecular states offer a distinct and promising alternative for quantum applications.

Purpose of the Study:

  • To investigate molecular states as a basis for quantum technologies.
  • To demonstrate a novel memory for light utilizing molecular vibrations.

Main Methods:

  • Storing photons within the vibrational states of hydrogen molecules.
  • Utilizing a THz-bandwidth molecular memory system.
  • Storing ultrashort light pulses (100 femtoseconds).

Main Results:

  • Successfully demonstrated a memory for light based on molecular vibrations.
  • Achieved storage durations of up to approximately 1 nanosecond.
  • Enabled approximately 10^4 operational time bins, showcasing THz bandwidth.

Conclusions:

  • Molecular states present a viable and promising alternative for quantum technology development.
  • The demonstrated molecular memory is suitable for compact ultrafast quantum photonic applications.