| High Q light-emitting Si-rich Si<sub>3</sub>N<sub>4</sub> microdisks. | |
| | |
MedLine Citation:
|
PMID: 21499351 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
|
We report on the optical properties of active silicon (Si)-rich Si<sub>3</sub>N<sub>4</sub> microdisk cavities in the visible range. We have studied the correlation between the quality (Q) factor of the cavities and the active material deposition parameters. Microphotoluminescence measurements revealed subangstrom whispering galley modes resonances and a maximum Q of 10<sup>4</sup> around 760 nm. These values improve significantly the best results reported so far for Si-based light-emitting circular resonators in the visible range. In contrast to what is reported for Si-rich SiO<sub>2</sub>-based microcavities, we demonstrate the absence of a spectral widening at high pump fluxes associated to carrier absorption mechanisms, which allows high emitted power without degrading the Q of the cavity. These results open the route toward the monolithic integration of those structures into more complex circuits including Si photodetectors. |
| | |
Authors:
|
Federico Ferrarese Lupi; Daniel Navarro-Urrios; Josep Monserrat; Carlos Dominguez; Paolo Pellegrino; Blas Garrido |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: Optics letters Volume: 36 ISSN: 1539-4794 ISO Abbreviation: Opt Lett Publication Date: 2011 Apr |
Date Detail:
|
Created Date: 2011-04-18 Completed Date: - Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 7708433 Medline TA: Opt Lett Country: United States |
Other Details:
|
Languages: eng Pagination: 1344-6 Citation Subset: IM |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
|
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Direct calculation of a three-dimensional diffracted field.
Next Document: Observation of speckle pattern formation in transparent nonlinear random media.