Collective modes in coupled semiconductor disk lasers in the case of whispering-gallery modes
- Institut d’Electronique du Sud (IES) (France)
- Ioffe Institute (Russian Federation)
Samples of coupled semiconductor disk laser based on quantum-dimensional GaInAsSb/AlGaAsSb nanoheterostructures (emission wavelength of λ ≈ 2.28 μm) operating in the whispering-gallery modes are fabricated and studied. The emission spectra and directivity patterns are studied for laser systems of two types, i.e., coupled disk lasers with a bridge between resonators and those without it. It is found that both types of these lasers generate collective modes with an intermodal difference twice as small as that for a single disk laser. It is suggested that this effect is caused by the propagation of radiation from one disk laser to the other.
- OSTI ID:
- 22756377
- Journal Information:
- Semiconductors, Journal Name: Semiconductors Journal Issue: 9 Vol. 51; ISSN SMICES; ISSN 1063-7826
- Country of Publication:
- United States
- Language:
- English
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