| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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The Self-Heating Effect of Quantum Cascade Lasers Based on a pectroscopic Method |
| WEI Lin, LI Ai-Zhen, ZHANG Yong-Gang, LI Yao-Yao |
| State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050 |
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| Cite this article: |
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WEI Lin, LI Ai-Zhen, ZHANG Yong-Gang et al 2009 Chin. Phys. Lett. 26 084206 |
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Abstract We investigate the self-heating effect of mid-infrared quantum cascade lasers by using a direct-based pulse injecting current and spectroscopy method. Based on the characterization system, the thermal characteristics of gas source MBE grown 8.4μm InP-based GaInAs/AlInAs DFB-QCLs are evaluated. The method and characterization system are also useful in evaluating the thermal characteristics of other types of mid-infrared diode lasers.
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| Keywords:
42.55.Px
81.05.Ea
81.07.St
65.40.-b
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Received: 07 April 2009
Published: 30 July 2009
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| PACS: |
42.55.Px
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(Semiconductor lasers; laser diodes)
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81.05.Ea
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(III-V semiconductors)
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81.07.St
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(Quantum wells)
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65.40.-b
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(Thermal properties of crystalline solids)
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