Zhang Yong-Gang et al 2003 Chinese Phys. Lett. 20 678 doi:10.1088/0256-307X/20/5/325
Zhang Yong-Gang, He You-Jun and Li Ai-Zhen
Show affiliationsThe transient thermal characteristics of InAlAs/InGaAs/InP mid-infrared quantum cascade lasers in pulse driving conditions have been simulated by using the finite-element method, and evaluated experimentally. The results show that specific heat of the materials and heat capacity of the device should be take into account to simulate the thermal performance of the devices in pulse driving conditions. In this case, good coincidence of the simulation with the measured results has been reached and the much higher apparent thermal resistance of the quantum cascade lasers under pulse driving conditions could be explained.
42.55.Px Semiconductor lasers; laser diodes
72.15.Eb Electrical and thermal conduction in crystalline metals and alloys
Condensed matter: electrical, magnetic and optical
Issue 5 (May 2003)
Received 23 December 2002
Zhang Yong-Gang et al 2003 Chinese Phys. Lett. 20 678
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