Whispering Gallery Modes and Spontaneous Emission in Compact VCSEL Structures

Whispering Gallery Modes and Spontaneous Emission in Compact VCSEL Structures

The radiation power from active area into the planar waveguide has been studied theoretically in order to model VCSEL characteristics. Exact and simple quantitative connection between modal gain and spontaneous emission into planar waveguide has been established. The possibility of the in-plane lasi...

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Veröffentlicht in:Semiconductors (Woodbury, N.Y.) N.Y.), 2019-12, Vol.53 (14), p.1880-1883
Hauptverfasser: Savelyev, A. V., Breuer, S., Maximov, M. V., Zhukov, A. E., Shchukin, V. A., Ledentsov, N. N.
Format: Artikel
Sprache:eng
Schlagworte:
Apertures
Lasers and Optoelectronic Devices
Magnetic Materials
Magnetism
Physics
Physics and Astronomy
Planar waveguides
Spontaneous emission
Waveguides
Whispering gallery modes
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Beschreibung
Zusammenfassung:The radiation power from active area into the planar waveguide has been studied theoretically in order to model VCSEL characteristics. Exact and simple quantitative connection between modal gain and spontaneous emission into planar waveguide has been established. The possibility of the in-plane lasing in the conventional VCSEL with gain area laterally limited by gain aperture has been examined and condition required for this has been found.
ISSN:1063-7826
1090-6479
DOI:10.1134/S1063782619140185