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Coupled-cavity surface-emitting lasers: spectral and polarization threshold characteristics and electrooptic switching
Tijdschriftbijdrage - Tijdschriftartikel
We perform a theoretical linear study of the spectral and polarization threshold characteristics of coupled-cavity Vertical-Surface-Emitting Lasers (CC-VCSEL) on the base of a simple matrix approach. We show that strong wavelength discrimination can be achieved in CC-VCSELs by slightly detuning the cavities. However, polarization discrimination is not provided by the coupled-cavity design. We also consider the case of reverse-biasing one of the cavities, i.e. using it as a modulator via linear and/or quadratic electrooptic effect. Such a CC-VCSEL can act as a voltage-controlled polarization or wavelength switching device that is decoupled from the laser design. We also show that using QD stack instead of quantum wells in the top cavity would lead to significant reduction of the driving electrical field. (C) 2010 Optical Society of America
Tijdschrift: Opt. Express
ISSN: 1094-4087
Volume: 18
Pagina's: 27525-27533
Jaar van publicatie:2010
Trefwoorden:SINGLE-MODE POWER; SEMICONDUCTOR MICROCAVITY, EMISSION; BEHAVIOR