Diode laser threshold current density and lasing wavelength as functions of active region thickness
- 1 March 1983
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 42 (5) , 401-403
- https://doi.org/10.1063/1.93954
Abstract
Based on a simple model of the band-to-band absorption of a diode laser active region, we formulatean expression for modal gain as a function of pumping current. Using this result yields expressions for threshold current density and lasing photon energy which depend on device parameters including active region thickness, laser length, internal losses, facet reflectivity, etc.Keywords
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