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

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2019年 / 25卷 / 06期

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

页数：7

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