Estimation of power output and conversion efficiency for quantum dot lasers
S. K. Pandey,
M. Ramrakhiani,
NiDwivedi
Abstract:Interest in Quantum Dot Lasers stem mainly from the low threshold current which can result due to quantization of energy levels and change in density of state function. In the most used lasers, separate confinement heterostructures, the nanoscale active region is ‘built into’ the waveguide region (optical confinement layer, OCL) based on a wide gap semiconductor material.The most important characteristic of quantum dot laser is the amount of light it emits as current is injected into the device. The dependence… Show more
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