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Updated: May 27, 2026

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Electrically pumped silicon waveguide light sources.

Hasitha Jayatilleka1, Arsam Nasrollahy-Shiraz, Anthony J Kenyon

  • 1Department of Electronic & Electrical Engineering, University College London, Torrington Place, London WC1E 7JE, UK.

Optics Express
|November 24, 2011
PubMed
Summary
This summary is machine-generated.

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Simulations show silicon nanoclusters and erbium ions in waveguide emitters enhance light emission. Plasmonic coupling and CMOS-compatible fabrication enable efficient silicon photonics optical sources.

Area of Science:

  • Photonics
  • Materials Science
  • Nanotechnology

Background:

  • Silicon photonics is crucial for optical communication and computing.
  • Developing efficient light sources in silicon remains a challenge.
  • Erbium ions offer potential for light emission but require enhancement.

Purpose of the Study:

  • To simulate electrically pumped waveguide emitters with silicon nanoclusters and erbium ions.
  • To investigate plasmonic coupling for enhanced radiative rates.
  • To assess light coupling into silicon waveguides.

Main Methods:

  • Utilized 2D and 3D finite difference time domain (FDTD) simulations.
  • Modeled waveguide emitters with silicon nanoclusters and erbium ions.
  • Incorporated plasmonic coupling effects with metallic/semi-metallic overlayers.

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Last Updated: May 27, 2026

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11:08

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Published on: November 30, 2012

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

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Main Results:

  • Plasmonic coupling significantly enhances the radiative rate of erbium ions.
  • Achieved high quantum efficiency emission from the active layer.
  • Demonstrated up to 75% light coupling into a nanowire silicon rib waveguide.

Conclusions:

  • Electrically pumped waveguide emitters with silicon nanoclusters and erbium ions are feasible.
  • Plasmonic enhancement is key to achieving high quantum efficiency.
  • CMOS-compatible fabrication suggests practical realization for silicon photonics.