Resonant-wavelength tuning of a nanocavity by subnanometer control of a two-dimensional silicon-based photonic crystal slab structure
Applied Optics, Vol. 48, Issue 26, pp. 4899-4903 (2009)
http://dx.doi.org/10.1364/AO.48.004899
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Abstract
We demonstrate fine tuning of the resonant wavelength of a nanocavity in a two-dimensional silicon-based photonic crystal slab structure by subnanometer control of the airhole diameter and slab thickness. Theoretical investigation shows that the resonant wavelength depends linearly on the latter two parameters. To experimentally demonstrate the fine tuning of the resonant wavelength, we control these parameters through chemical processes. The resonant-wavelength shift is tuned to 3.25 and 0.36 nm by use of two oxidizing processes. The latter shift, which corresponds to a 0.14 nm thick silicon layer, is considerably smaller than shifts achieved in previous studies.
© 2009 Optical Society of America
OCIS Codes
(140.3945) Lasers and laser optics : Microcavities
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(130.5296) Integrated optics : Photonic crystal waveguides
(050.5298) Diffraction and gratings : Photonic crystals
ToC Category:
Diffraction and Gratings
History
Original Manuscript: May 18, 2009
Revised Manuscript: July 29, 2009
Manuscript Accepted: August 9, 2009
Published: September 1, 2009
Citation
Bong-Shik Song, Takuji Nagashima, Takashi Asano, and Susumu Noda, "Resonant-wavelength tuning of a nanocavity by subnanometer control of a two-dimensional silicon-based photonic crystal slab structure," Appl. Opt. 48, 4899-4903 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-26-4899
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