Quantum cascade laser as a mid-infrared photovoltaic and photoconductive detector

机译：量子级联激光器作为中红外光电导探测器

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We report the operation of quantum cascade lasers (QCLs) as a mid-infrared (mid-IR) photo-detector under both photovoltaic and photoconductive modes. When operated at photoconductive mode, negative photo-conductance is observed at low bias current. The photo-conductance of the device changes from negative to positive when the bias is increased over a transparency point. These interesting mid-IR detection characteristics of QCL gain material can help and simplify the design and testing of mid-IR photonic integrated devices and circuits by using them to measure the coupling and waveguide loss and provide gain at any location in a mid-IR photonic circuit.

机译：我们报告了在光电和光电导模式下，量子级联激光器（QCL）作为中红外（mid-IR）光电探测器的运行情况。当在光电导模式下运行时，在低偏置电流下会观察到负光电导。当偏压在透明点上增加时，器件的光电导从负变为正。 QCL增益材料具有这些有趣的中红外检测特性，可以通过使用它们测量耦合和波导损耗并在中红外光子中的任何位置提供增益来帮助并简化中红外光子集成器件和电路的设计和测试。电路。

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来源
《Infrared technology and applications XXXVII》|2011年|p.1-7|共7页
会议地点 Orlando FL(CN)
作者
Xing Chen; David Shyu; Fow-Sen Choa; Sudhir Trivedi;
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作者单位

Univ. of Maryland, Baltimore County (USA);

Brimrose Corp. of America (USA);

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原文格式 PDF
正文语种 eng
中图分类红外技术及仪器;
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1. Applications for quantum cascade lasers and detectors in mid-infrared high-resolution heterodyne astronomy [J] . P. KROETZ, D. STUPAR, D. STUPAR, Applied physics . 2008,第2期

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2. High precision measurements of atmospheric nitrous oxide and methane using thermoelectrically cooled mid-infrared quantum cascade lasers and detectors [J] . Nelson DD, McManus B, Urbanski S, Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy . 2004,第14期

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3. Stacked quantum cascade laser and detector structure for a monolithic mid-infrared sensing device [J] . Hitaka Masahiro, Dougakiuchi Tatsuo, Ito Akio, Applied Physics Letters . 2019,第16期

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4. Quantum cascade laser as a mid-infrared photovoltaic and photoconductive detector [C] . Xing Chen David Shyu Fow-Sen Choa and Sudhir Trivedi Conference on infrared technology and applications . 2011

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5. III-V semiconductor Quantum Well systems: Physics of Gallium Arsenide two-dimensional hole systems and engineering of mid-infrared Quantum Cascade lasers. [D] . Chiu, YenTing. 2013

机译：III-V半导体量子阱系统：砷化镓二维孔系统的物理原理和中红外量子级联激光器的工程设计。
6. Monolithically Integrated Mid-Infrared Quantum Cascade Laser and Detector [O] . Benedikt Schwarz, Peter Reininger, Hermann Detz, 2013

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7. Applications for quantum cascade lasers and detectors in mid-infrared high-resolution heterodyne astronomy [O] . Krötz, Peter, Stupar, D., Krieg, J., 2008

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8. Step-Tapered Active-Region Mid-Infrared Quantum Cascade Lasers and Novel Fabrication Processes for Buried Heterostructures. [R] . Chang, C. 2015

机译：步进锥形有源区中红外量子级联激光器和埋置异质结构的新型制造工艺。

Quantum cascade laser as a mid-infrared photovoltaic and photoconductive detector

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