Observation of Transparency of Erbium-doped Silicon Nitride in Photonic Crystal Nanobeam Cavities

Abstract

One dimensional nanobeam photonic crystal cavities are fabricated in an Er-doped amorphous silicon nitride layer. Photoluminescence from the cavities around 1.54 micrometers is studied at cryogenic and room temperatures at different optical pump powers. The resonators demonstrate Purcell enhanced absorption and emission rates, also confirmed by time resolved measurements. Resonances exhibit linewidth narrowing with pump power, signifying absorption bleaching and the onset of stimulated emission in the material at both 5.5 K and room temperature. We estimate from the cavity linewidths that Er has been pumped to transparency at the cavity resonance wavelength.

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Document Details

Document Type
Technical Report
Publication Date
Jun 21, 2010
Accession Number
ADA541299

Entities

People

  • Burm Baek
  • Jelena Vučković
  • Luca D. Negro
  • Maria Makarova
  • Martin J. Stevens
  • Rui Li
  • Sae W. Nam
  • Selçuk Yerci
  • Yiyang Gong

Organizations

  • Stanford University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Absorption
  • Air Force
  • Ceramic Materials
  • Complementary Metal-Oxide Semiconductors
  • Crystals
  • Emission
  • Energy Transfer
  • Low Temperature
  • Materials
  • Measurement
  • Nanocrystals
  • Optics
  • Photoluminescence
  • Photonic Crystals
  • Resonance
  • Resonators
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.