Investigation of the spectral width of quantum cascade laser emission near 5.2 μm by a heterodyne experiment

Heiko Ganser; Bertold Frech; Andreas Jentsch; Manfred Murtz; Claire Gmachl; Federico Capasso; Deborah L. Sivco; James N. Baillargeon; Albert L. Hutchinson; Alfred Y. Cho; Wolfgang Urban

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Investigation of the spectral width of quantum cascade laser emission near 5.2 μm by a heterodyne experiment

机译：外差实验研究量子级联激光发射在5.2μm附近的光谱宽度

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We report line width measurements of a quantum cascade distributed feedback laser by a heterodyne experiment. At currents slightly above threshold and a laser output power higher than 1 mW, the full width at half maximum of the beat signal was narrower than 0.5 MHz, which gives us an upper limit of the laser line width. As reference laser we used a carbon monoxide laser. Both lasers were operating unstabilized in continuous wave mode emitting light at about 5.2 μm.

机译：我们通过外差实验报告了量子级联分布反馈激光器的线宽测量结果。在电流略高于阈值且激光输出功率高于1 mW时，拍频信号的一半的全宽窄于0.5 MHz，这为我们提供了激光线宽的上限。作为参考激光器，我们使用了一氧化碳激光器。两种激光器在连续波模式下均不稳定，并发出约5.2μm的光。

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《Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter》 |2001年第3期|共4页
作者
Heiko Ganser; Bertold Frech; Andreas Jentsch; Manfred Murtz; Claire Gmachl; Federico Capasso; Deborah L. Sivco; James N. Baillargeon; Albert L. Hutchinson; Alfred Y. Cho; Wolfgang Urban;
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正文语种 eng
中图分类光学;
关键词
Quantum cascade laser; Line width; Beat note; Mid infrared; Spectroscopy;

机译：量子级联激光器;线宽;节拍;中红外;光谱学;

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1. Investigation of the spectral width of quantum cascade laser emission near 5.2 μm by a heterodyne experiment [J] . Heiko Ganser, Bertold Frech, Andreas Jentsch, Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter . 2001,第1a3期

机译：外差实验研究量子级联激光发射在5.2μm附近的光谱宽度
2. Spectral modification of the laser emission of a terahertz quantum cascade laser induced by broad-band double pulse injection seeding [J] . Sergej Markmann, Hanond Nong, Shovon Pal, Applied Physics Letters . 2015,第11期

机译：宽带双脉冲注入引发的太赫兹量子级联激光器的激光发射光谱修正
3. Long-Wave IR Quantum Cascade Lasers for emission in the λ = 8-12μm spectral region [J] . Mariano Troccoli, Arkadiy Lyakh, Jenyu Fan, Optical Materials Express . 2013,第9期

机译：长波红外量子级联激光器，用于发射λ=8-12μm的光谱区域
4. Spectral Characterization of Terahertz Quantum Cascade Lasers by Heterodyne and Homodyne Mixing [C] . Heinz-Wilhelm Hubers, Sergey G. Pavlov, Heiko Richter, International Conference on Infrared and Millimeter Waves . 2007

机译：外差和卵差混合的太赫兹量子级联激光器的光谱表征
5. From quantum cascade to super cascade laser a new laser design paradigm for broad spectral emission & a re-examination of current spreading [D] . Le, Loan T. 2015

机译：从量子级联到超级级联激光的新型激光设计范式，用于广谱排放和电流展开的重新检查
6. Theoretical and Experimental Study of Heterodyne Phase-Sensitive Dispersion Spectroscopy with an Injection-Current-Modulated Quantum Cascade Laser [O] . Zhen Wang, Kin-Pang Cheong, Mingsheng Li, 2020

机译：外差相相敏分散光谱与注射电流调制量子级联激光的理论与实验研究
7. An investigation on optimum ridge width and exposed side strips width of terahertz quantum cascade lasers with metal-metal waveguides [O] . Chao Xu, Seyed Ghasem Razavipour, Zbigniew Wasilewski, 2013

机译：用金属 - 金属波导的太赫兹量子级联激光器的最优脊宽和暴露侧条宽度的研究

Investigation of the spectral width of quantum cascade laser emission near 5.2 μm by a heterodyne experiment

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