Lasing modes of a microdisk with a ring gain area and of an active microring
Optical and Quantum Electronics, ISSN: 1572-817X, Vol: 47, Issue: 12, Page: 3883-3891
2015
- 29Citations
- 7Captures
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Article Description
Microcavity lasers shaped as thin circular disks are famous for the ultra-low thresholds of their whispering-gallery modes. We considered a two-dimensional model of such a laser in free space with a ring-like active region and compared the characteristics of its modes with the modes of an active microring, i.e. a similar disk with a concentric hole. The comparison showed that a microring has considerable rarefaction effect in terms of emission thresholds, accompanied by the blue-shift of emission spectra. If the ring becomes narrower than a half-wavelength in material, then all lasing modes obtain catastrophically high thresholds.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84947488826&origin=inward; http://dx.doi.org/10.1007/s11082-015-0240-0; http://link.springer.com/10.1007/s11082-015-0240-0; http://link.springer.com/content/pdf/10.1007/s11082-015-0240-0; http://link.springer.com/content/pdf/10.1007/s11082-015-0240-0.pdf; http://link.springer.com/article/10.1007/s11082-015-0240-0/fulltext.html; https://dx.doi.org/10.1007/s11082-015-0240-0; https://link.springer.com/article/10.1007/s11082-015-0240-0
Springer Science and Business Media LLC
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