Theory of cutoff temperature of operation of uncooled semiconductor laser diode

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this paper, the authors present a new theory that can be applied to predetermine the value of cutoff temperature of operation (Tcutoff) of uncooled semiconductor laser diodes. Tcutoff is defined as the value of temperature of operation above which, the turn-on time delay t on of uncooled SLD will exceed the bit time interval of the injected pulse and results in an inoperable case. An analytical model is derived to represent the temperature dependence of ton. This model is used to derive an accurate one for Tcutoff and in terms of laser cavity parameters. Simulation results show that Tcutoff can be increased (improved) by increasing the injection current or biasing the uncooled SLD near threshold. The benefit of this study is that the designer could predetermine previously the requirements that should be taken into account, when considering of uncooled SLD in high-speed optical communication systems.

Original languageEnglish
Article number20301
JournalEPJ Applied Physics
Volume50
Issue number2
DOIs
Publication statusPublished - May 2010

Fingerprint

Semiconductor lasers
cut-off
semiconductor lasers
laser cavities
optical communication
telecommunication
time lag
Laser resonators
high speed
Optical communication
injection
intervals
Temperature
requirements
temperature dependence
thresholds
temperature
Analytical models
Time delay
Communication systems

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Instrumentation

Cite this

Theory of cutoff temperature of operation of uncooled semiconductor laser diode. / Ab Rahman, Mohd Syuhaimi; Hassan, M. R.

In: EPJ Applied Physics, Vol. 50, No. 2, 20301, 05.2010.

Research output: Contribution to journalArticle

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