Influence of Franz Keldysh Effect on the Modulation depth and Distortion Characteristics of Transistor Laser
R. Ramya,
S. Piramasubramanian,
M Ganesh Madhan
Abstract:Numerical analysis of a Transistor Laser is carried out to investigate the influence of Franz-Keldysh Effect on the non-linear distortion characteristics such as intermodulation (IM). The device considered for the study incorporates a GaAs absorber layer in the collector–base junction of a TL emitting around 980 nm. The base current threshold is obtained as 39 mA for the collector to base voltage of 1 V and it is discerned that the threshold current of TL is dependent on electric field in addition to the bias … Show more
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