High peak power (34 W) photonic crystal distributed feedback quantum cascade lasers

被引：0
|
作者：
Goekden, B. [1 ]
Bai, Y. [1 ]
Bandyopadhyay, N. [1 ]
Slivken, S. [1 ]
Razeghi, M. [1 ]
机构：
[1] Northwestern Univ, Dept Elect Engn & Comp Sci, Ctr Quantum Devices, Evanston, IL 60208 USA
来源：
PHOTONIC AND PHONONIC PROPERTIES OF ENGINEERED NANOSTRUCTURES | 2011年 / 7946卷
关键词：
Photonic Crystal Distributed Feedback Laser; Quantum Cascade Laser; Distributed Feedback Laser; Photonic Crystals; Broad Area Lasers; High Power Lasers; BEAM QUALITY;
D O I：
10.1117/12.881397
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We demonstrate room temperature, high power, single mode and diffraction limited operation of a two dimensional photonic crystal distributed feedback (PCDFB) quantum cascade laser emitting at 4.36 mu m. Total peak power up to 34 W is observed from a 3 mm long laser with 400 mu m cavity width at room temperature. Far-field profiles have M(2) figure of merit as low as 2.5. This device represents a significant step towards realization of spatially and spectrally pure broad area high power quantum cascade lasers.
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页数：7
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