Title :
Novel thermal tuning of quantum cascade lasers utilizing thermochromic claddings
Author :
Basnar, Bernhard ; Mujagic, Elvis ; Andrews, Aaron Maxwell ; Klang, Pavel ; Schrenk, Werner ; Strasser, Gottfried
Author_Institution :
Center for Micro- & Nanostruct., Vienna Univ. of Technol., Vienna, Austria
Abstract :
We present a novel method for the thermal tuning of a grating-free mid-IR QCLs utilizing the absorbance changes of a thermochromic cladding. Both higher tuning coefficients as well as thermostable emission are achievable.
Keywords :
claddings; diffraction gratings; laser beams; laser stability; laser tuning; quantum cascade lasers; thermo-optical effects; grating-free mid-IR QCLs; laser thermal tuning coefficient; quantum cascade laser; thermochromic cladding; thermostable emission; Absorption; Distributed feedback devices; Laser feedback; Laser modes; Laser tuning; Optical materials; Quantum cascade lasers; Temperature; Thermochromism; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8