&lt;title&gt;Bistable laser diode with a multiple-divided contact stripe&lt;/title&gt;

Jeřábek, V.; Prajzler, Václav; Burian, Zdeněk

doi:10.1117/12.675883

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“…Its analytic expression is possible to be derived by statically solving a set of three rate equations. The W-A characteristic was theoretically and experimentally determined in [2], [6], [10].Under certain simplifying preconditions, it is possible to derive from the analytic expression, also basic conditions of bistability arising and also the conditions necessary for the origin of self pulsations in LD radiation [8], [10]. This article deals with theoretical results and experiments, which led to the demonstration of optical bistability on the specially modified LD created on the double hetero structure Ga 1-x Al x Al/GaAs with saturable absorption section and description of their properties.…”

Section: Contact ]Ffntormentioning

confidence: 99%

Theoretical description and experiment to prove the bistability of the semiconductor laser diode

Jeřábek

2006

SPIE Proceedings

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We report about theoretical results and experiments, which led to the demonstration of optical bistability on the specially modified laser diode (LD) created on the double heterostructure Ga 1-x Al x Al/GaAs with saturable absorption section. To prove the bistability, the time method for bistability impulse verification (BIV) by bistable laser diode (BLD) was proposed. With the use of the BIV method, basic parameters of the hysterisis loop of the W-A characteristic samples of realized BLD were determined. Also the mathematic model of the W-A characteristic was derived, used for the simulation of the characteristic for the realized BLD. Element values of the electrical equivalent circuit of the BLD for small changes of signal were calculated for selected operating points of the simulated W-A characteristics. The dependency of bistability on the temperature is monitored by measuring the BLD W-A characteristic.

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