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Related Experiment Video

Updated: Mar 23, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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A multiplexed light-matter interface for fibre-based quantum networks.

Erhan Saglamyurek1,2, Marcelli Grimau Puigibert1,2, Qiang Zhou1,2

  • 1Institute for Quantum Science and Technology, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4.

Nature Communications
|April 6, 2016
PubMed
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This summary is machine-generated.

Researchers demonstrate quantum storage of single photons using an atomic frequency comb in an optical fiber, achieving a high time-bandwidth product for quantum networks. This integrated quantum technology operates at telecom wavelengths.

Area of Science:

  • Quantum Information Science
  • Quantum Communication Technology
  • Photonics

Background:

  • Quantum networks require efficient processing and distribution of quantum information via photons.
  • Scalability relies on multiplexed photonic quantum states and light-matter interfaces with high capacity.
  • Demonstrating these capabilities with non-classical light remains a significant challenge.

Purpose of the Study:

  • To report the quantum storage of heralded single photons at telecom wavelengths.
  • To demonstrate frequency-multimode storage and spectral-temporal photon manipulation.
  • To advance integrated quantum technologies for future quantum networks.

Main Methods:

  • Utilized the atomic frequency comb quantum memory protocol.
  • Employed a cryogenically cooled erbium-doped optical fibre.

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Last Updated: Mar 23, 2026

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  • Operated with heralded single photons at 1.53 μm telecom wavelength.

    • Main Results:

    • Achieved quantum storage with a time-bandwidth product approaching 800.
    • Demonstrated frequency-multimode storage capabilities.
    • Showcased memory-based spectral-temporal manipulation of photons.

    Conclusions:

    • The developed light-matter interface utilizes integrated quantum technologies at telecom wavelengths.
    • This system shows potential for future quantum networks, pending improved storage efficiency.
    • The study successfully demonstrates key functionalities for quantum information processing.