DocumentCode
1213625
Title
Ultralow Lasing Thresholds of 
-Type Supermodes in Cyclic Photonic Molecules Composed of Submicron Disks With Monopole and Dipole Modes
Author
Smotrova, Elena I. ; Nosich, Alexander I. ; Benson, Trevor M. ; Sewell, Phillip
Author_Institution
Inst. of Radio-Phys. & Electron., Kharkov
Volume
18
Issue
19
fYear
2006
Firstpage
1993
Lastpage
1995
Abstract
Cyclic photonic molecules (CPMs) composed of an even number of identical submicron-size circular-disk active resonators in free space are studied in two dimensions. Cold-cavity lasing frequencies and threshold values of material gain are extracted from an electromagnetic eigenvalue problem with exact boundary and radiation conditions. We show that assembling several small cavities in a tightly packed CPM efficiently lowers the thresholds of optically coupled nonwhispering-gallery modes of the lowest values (i.e., 0 and 1) of the azimuth index in each cavity provided that high antisymmetry is arranged
Keywords
eigenvalues and eigenfunctions; laser modes; microcavity lasers; microdisc lasers; semiconductor lasers; azimuth index; boundary conditions; circular-disk active resonators; cold-cavity lasing; cyclic photonic molecules; dipole mode; electromagnetic eigenvalue problem; material gain; monopole mode; nonwhispering-gallery modes; pi-type supermodes; radiation conditions; semiconductor microdisk lasers; submicron disks; ultralow lasing thresholds; Assembly; Eigenvalues and eigenfunctions; Electromagnetic radiation; Frequency; Laser modes; Optical coupling; Optical pumping; Optical resonators; Quantum dot lasers; Quantum well lasers; Dipole mode; lasing eigenvalue problem; linear threshold; microcavity laser; monopole mode; photonic molecule;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2006.882306
Filename
1695969
Link To Document