High quality-factor 1-D-suspended photonic crystal/photonic wire silicon waveguide micro-cavities

Md Zain Ahmad Rifqi, Nigel P. Johnson, Marc Sorel, Richard M. De La Rue

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We have successfully fabricated and characterized suspended one-dimensional (1-D) photonic crystal/photonic wire (PhC/PhW) waveguide micro-cavities based on silicon-on-insulator (SOI). Our experiments have shown an enhancement of the resonance Q-factor from 18700 to approximately 24000, with normalized optical transmission of 70%, after removing the silica cladding underneath the silicon waveguide. We have also demonstrated that, for this condition, the resonance peak wavelength can be controlled by varying the length of the micro-cavity. These results were obtained by removing the silica cladding below the silicon waveguide to produce a "hanging" wire waveguide. The three-dimensional (3-D) finite-difference time domain (FDTD) simulation approach used shows good agreement with measured results.

Original languageEnglish
Article number5282614
Pages (from-to)1789-1791
Number of pages3
JournalIEEE Photonics Technology Letters
Volume21
Issue number24
DOIs
Publication statusPublished - Dec 2009
Externally publishedYes

Fingerprint

Silicon
Photonic crystals
Photonics
Q factors
Waveguides
wire
Wire
photonics
waveguides
cavities
silicon
Silicon Dioxide
crystals
Silica
silicon dioxide
Light transmission
insulators
Wavelength
augmentation
wavelengths

Keywords

  • Integrated optics
  • Membrane photonics
  • Photonic crystals (phcs)
  • Photonic wires (phws)
  • Silicon-on-insulator (soi)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

Cite this

High quality-factor 1-D-suspended photonic crystal/photonic wire silicon waveguide micro-cavities. / Ahmad Rifqi, Md Zain; Johnson, Nigel P.; Sorel, Marc; De La Rue, Richard M.

In: IEEE Photonics Technology Letters, Vol. 21, No. 24, 5282614, 12.2009, p. 1789-1791.

Research output: Contribution to journalArticle

Ahmad Rifqi, Md Zain ; Johnson, Nigel P. ; Sorel, Marc ; De La Rue, Richard M. / High quality-factor 1-D-suspended photonic crystal/photonic wire silicon waveguide micro-cavities. In: IEEE Photonics Technology Letters. 2009 ; Vol. 21, No. 24. pp. 1789-1791.
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