Thermal characteristics and analysis of quantum cascade lasers for biochemical sensing applications

被引：0
作者：
Yu, Jae Su [1 ]
Lee, Hee Kwan [1 ]
Slivken, Steven [2 ]
Razeghi, Manijeh [2 ]
机构：
[1] Kyung Hee Univ, Dept Elect & Radio Engn, 1 Seocheon Dong, Yongin 446701, South Korea
[2] Northwestern Univ, Ctr Quantum Devices, Dept Elect Engn & Comp Sci, Evanston, IL 60208 USA
来源：
BIOSENSING II | 2009年 / 7397卷
关键词：
Thermal characteristics; thermal analysis; heat transfer simulation; quantum cascade lasers; CONTINUOUS-WAVE OPERATION; MU-M; ROOM-TEMPERATURE; HIGH-POWER; PERFORMANCE;
D O I：
10.1117/12.825594
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
We studied the thermal characteristics and analysis of InGaAs/InAlAs quantum cascade lasers (QCLs) in terms of internal temperature distribution, heat flux, and thermal conductance from the heat transfer simulation. The heat source densities were obtained from threshold power densities measured experimentally for QCLs under room-temperature continuous-wave operation. The use of a thick electroplated Au around the laser ridges helps increase the heat removal from devices. The two-dimensional anisotropic heat dissipation model was used to analyze the thermal behaviors inside the device. The simulation results were also compared with those estimated from experimental data.
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页数：8
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