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Updated: Jun 16, 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

Published on: April 4, 2017

A diamond nanowire single-photon source.

Thomas M Babinec1, Birgit J M Hausmann, Mughees Khan

  • 1School of Engineering and Applied Science, Harvard University, Cambridge, Massachusetts 02138, USA.

Nature Nanotechnology
|February 16, 2010
PubMed
Summary
This summary is machine-generated.

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Researchers developed a stable, room-temperature single-photon source using a nitrogen-vacancy center in a diamond nanowire. This new quantum technology offers ten times greater photon flux than previous bulk diamond devices.

Area of Science:

  • Quantum optics
  • Materials science
  • Nanotechnology

Background:

  • Single-photon sources are crucial for quantum technologies like cryptography.
  • Existing sources (dyes, quantum dots, nanotubes) lack high flux and stability.
  • Nitrogen-vacancy centers in diamond offer stability but suffer from low photon out-coupling.

Purpose of the Study:

  • To develop a robust single-photon source with high flux and stable room-temperature operation.
  • To overcome the limitations of bulk diamond luminescent centers for photonic applications.

Main Methods:

  • Fabrication of a single-photon source utilizing a nitrogen-vacancy center within a diamond nanowire.
  • Characterization of the photon flux and power consumption compared to bulk diamond devices.

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Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
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Published on: April 28, 2016

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Related Experiment Videos

Last Updated: Jun 16, 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

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems
07:44

Resonance Raman Spectroscopy of Extreme Nanowires and Other 1D Systems

Published on: April 28, 2016

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Main Results:

  • The diamond nanowire single-photon source achieved ten times greater photon flux compared to bulk diamond devices.
  • The new source operated with ten times less power consumption.
  • Demonstrated stable, room-temperature single-photon emission.

Conclusions:

  • Nanostructured diamond, specifically diamond nanowires with nitrogen-vacancy centers, offers a promising platform for advanced single-photon sources.
  • This breakthrough enables new devices for quantum information processing and has potential applications in sensing and microscopy.