Referenced Items are not available for this document.
We investigate the properties of high-Q, wide free-spectral-range semiconductor microcavity ring and disk resonators coupled to submicron-width waveguides. Key optical design parameters are characterized using finite-difference time-domain (FDTD) solutions of the full-wave Maxwell's equations. We report coupling efficiencies and resonant frequencies that include the effects of waveguide dispersion and bending and scattering losses. For diameters of 5 μm, the microcavity resonators can have Q's in the several thousands and a free spectral range of 6 THz (50 nm) in the 1.55 μm, wavelength range. Studies of the transmittance characteristics illustrate the transition from single-mode resonances to whispering-gallery-mode resonances as the waveguide width of the microring is increased to form a solid microdisk. We present nanofabrication results and experimentally measured transmission resonances of AlGaAs/GaAs microcavity resonators designed in part with this method
Published in:
Lightwave Technology, Journal of
(Volume:15
,
Issue:
11
)
Date of Publication: Nov 1997
- Page(s):
- 2154 - 2165
- ISSN :
- 0733-8724
- INSPEC Accession Number:
- 5763107
- Digital Object Identifier :
- 10.1109/50.641537
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Nov 1997
- Sponsored by :
- IEEE Aerospace and Electronic Systems Society
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