2016年9月22日 · Here, we present results of quantum cascade laser lifetime tests under various aging conditions including an accelerated life test. The total accumulated life time exceeds 1.5 × 10 6 device hours. The longest single device aging time was 46 500 hours without failure in the room temperature aging test.

Here, we present results of quantum cascade laser lifetime tests under various aging conditions including an accelerated life test. The total accumulated life time exceeds 1.5 million device·hours. The longest single device aging time was 46.5 thousand hours without failure in the room temperature aging test.

2021年10月23日 · Here we present lifetime test results of 4 groups of quantum cascade lasers (QCL) under various aging conditions including an accelerated life test. The total accumulated life time exceeds 1.5 million device·hours, which is the largest QCL reliability study ever reported. The longest single device aging time was 46.5 thousand hours (without failure) in the room temperature test. Four failures ...

qcl可以发射3-5µm的激光，且具有超小的体积，为红外对抗的理想光源，是现在军事大国研究的热点，基于qcl红外对抗系统如图6。 近几年3-5µm波段的QCL已经得到突飞猛进的发展，该波段的量子级联激光器主要采用InP系材料，其在室温下连续输出功率已经达到了3W ...

2011年7月29日 · At 13,000 hours, the output power was increased to 150 mW to increase the stress on the device and record the aging process under increasingly harsh conditions. A plot of output power as a function of aging time is included below.

Instead, the Quantum Cascade laser (QCL) is a semiconductor laser involving only one type of carriers and which is based on two fundamental phenomena of quantum mechanics, namely tunneling and quantum confinement.

We report on the investigation of the electronic and thermal properties of high performance terahertz (THz) quantum cascade lasers (QCLs) based on a bound-to-continuum scheme and grown by molecular...

2021年6月18日 · 太赫兹量子级联激光器 (THz-QCL)是材料科学、能带工程与微纳光子学的完美结合体，是太赫兹波段极具竞争力的紧凑型激光源。 THz-QCL所特有的高功率、小型化以及易集成等... 太赫兹量子级联激光器 (THz-QCL)是材料科学、能带工程与微纳光子学的完美结合体，是太赫兹波段极具竞争力的紧凑型激光源。 THz-QCL所特有的高功率、小型化以及易集成等优点令其在太赫兹成像、通信、物质检测、精密光谱分析、近场显微成像等领域具有重要的应用价值。

量子级联激光器（Quantum Cascade Laser，QCL）诞生于1994年的美国，是基于半导体耦合量子阱子带（一般为导带）间的电子跃迁所产生的一种单极性光源。 波长范围可覆盖中红外至远红外，输出功率从mW至W量级。

量子级联激光器（qcl）在气体检测、空间通讯、红外对抗、太赫兹成像等方面得到了越来越多的应用，本文将详细介绍qcl原理及其各种应用。 一、 QCL原理