Thermally Tunable Quantum Cascade Laser With an External Germanium-on-SOI Distributed Bragg Reflector

被引:2
|
作者
Radosavljevic, Sanja [1 ]
Radosavljevic, Ana [1 ]
Schilling, Christian [2 ]
Hugger, Stefan [2 ]
Ostendorf, Ralf [2 ]
Kuyken, Bart [1 ]
Roelkens, Gunther [1 ]
机构
[1] Univ Ghent, Dept Informat Technol, Photon Res Grp, Imec, B-9052 Ghent, Belgium
[2] Fraunhofer Inst Appl Solid State Phys IAF, D-79108 Freiburg, Germany
基金
欧洲研究理事会;
关键词
Quantum cascade lasers; distributed Bragg reflector; Germanium-on-SOI; mid-infrared; WAVE-GUIDE; SILICON; SPECTROSCOPY; RESONATOR; PLATFORM; SI;
D O I
10.1109/JSTQE.2019.2933784
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Quantum cascade lasers (QCLs) are essential components for mid-infrared optical spectroscopy. Currently, widely tunable QCLs are using an external diffraction grating to tune the laser wavelength. In this paper we present a compact tunable QCL that is thermally tuned by a distributed Bragg reflector (DBR) implemented on a Germanium-on-SOI (Ge-on-SOI) waveguide circuit. The 5.1x mu m wavelength laser, operating in pulsed mode at room temperature, is continuously tuned over 50 nm.
引用
收藏
页数:7
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