Title :
Effect of carrier heating on static linearity of MQW InGaAsP/InP lasers
Author :
Kazarinov, Rudolf F. ; Shtengel, Gleb E.
Author_Institution :
Bell Labs., Lucent Technol., Breinigsville, PA, USA
fDate :
12/1/1997 12:00:00 AM
Abstract :
Carrier heating can degrade the linearity of the light-current (L-I) characteristics of a laser diode, which is a critical parameter for devices used in cable television (CATV) systems. On the basis of experimental estimation of the carrier heating rate above threshold, we consider the contributions of different mechanisms through which carrier heating can cause static nonlinearity. Comparison with measured L-I characteristics shows that the contribution of carrier heating to L-I nonlinearity is considerably less than previously estimated. We conclude that the carrier heating effect is not a dominant mechanism in producing the intermodulation distortions
Keywords :
III-V semiconductors; cable television; gallium arsenide; gallium compounds; indium compounds; intermodulation distortion; nonlinear optics; optical fibre subscriber loops; optical transmitters; quantum well lasers; CATV; MQW InGaAsP/InP lasers; above threshold; cable television; carrier heating; carrier heating rate; dominant mechanism; intermodulation distortions; light-current characteristics; static linearity; static nonlinearity; Heating; Indium phosphide; Laser noise; Linearity; Optical distortion; Optical noise; Optical pumping; Optical refraction; Optical variables control; Quantum well devices;
Journal_Title :
Lightwave Technology, Journal of
