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Updated: Jun 6, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Fiber-integrated diamond-based single photon source.

Tim Schröder1, Andreas W Schell, Günter Kewes

  • 1Institute of Physics, Humboldt-Universität zu Berlin, Newtonstraße 15, D-12489 Berlin, Germany. tim.schroeder@physik.hu-berlin.de

Nano Letters
|December 9, 2010
PubMed
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A novel single photon source using a quantum emitter on an optical fiber operates at room temperature. This alignment-free device integrates into fiber optic networks for quantum applications.

Area of Science:

  • Quantum Optics
  • Materials Science
  • Nanotechnology

Background:

  • Developing efficient single photon sources is crucial for quantum technologies.
  • Integrating quantum emitters with optical fibers presents significant challenges.

Purpose of the Study:

  • To demonstrate an alignment-free, room-temperature single photon source integrated with an optical fiber.
  • To achieve high photon collection efficiency for practical quantum applications.

Main Methods:

  • Utilized a bottom-up approach to couple a single nitrogen-vacancy center in a nanodiamond to an optical fiber facet.
  • Employed near-field coupling for efficient light-matter interaction.
  • Developed a fiber-connected sensor for simultaneous excitation and re-collection.

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Published on: October 9, 2012

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Last Updated: Jun 6, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Compact Quantum Dots for Single-molecule Imaging
17:14

Compact Quantum Dots for Single-molecule Imaging

Published on: October 9, 2012

Main Results:

  • Achieved micrometer-scale integration of a single quantum emitter on an optical fiber.
  • Demonstrated room-temperature operation of the single photon source.
  • Obtained high photon collection efficiency, comparable to high numerical aperture objectives (NA=0.82).

Conclusions:

  • The developed single photon source is easily integrated into fiber optic networks.
  • This technology is suitable for applications in quantum cryptography and quantum metrology.
  • The alignment-free, fiber-coupled design offers a practical solution for scalable quantum systems.