Published November 15, 2004
| Published + Accepted Version
Journal Article
Open
Low-threshold two-dimensional annular Bragg lasers
Chicago
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Abstract
Lasing at telecommunication wavelengths from annular resonators employing radial Bragg reflectors is demonstrated at room temperature under pulsed optical pumping. Submilliwatt pump threshold levels are observed for resonators with 0.5-1.5-wavelength-wide defects of radii 7-8 µm. The quality factors of the resonator modal fields are estimated to be of the order of a few thousand. The electromagnetic field is shown to be guided by the defect. Good agreement is found between the measured and the calculated spectra.
Additional Information
© 2004 Optical Society of America Received July 29, 2004 The authors thank Axel Scherer and Oskar Painter for access to fabrication facilities and George Paloczi and Reginald Lee for fruitful discussions. This work was supported by the National Science Foundation, the Defense Advanced Research Projects Agency, and the U.S. Air Force Office of Scientific Research.Attached Files
Published - SCHEol04.pdf
Accepted Version - 0409068.pdf
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0409068.pdf
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Additional details
- Eprint ID
- 3023
- Resolver ID
- CaltechAUTHORS:SCHEol04
- NSF
- Defense Advanced Research Projects Agency (DARPA)
- Air Force Office of Scientific Research (AFOSR)
- Created
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2006-05-11Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field