Title :
Reversible switching of QCL-modes using a pH-responsive polymeric cladding
Author :
Basnar, Bernhard ; Schartner, Stephan ; Austerer, Maximilian ; Andrews, Aaron Maxwell ; Roch, Thomas ; Schrenk, Werner ; Strasser, Gottfried
Author_Institution :
Center for Micro- & Nanostruct., Vienna Univ. of Technol., Vienna
Abstract :
We present a novel method for the reversible switching between different emission wavelengths for a grating-free mid-IR QCL utilizing the absorbance changes of a pH-responsive cladding under ambient conditions.
Keywords :
diffraction gratings; optical fibre cladding; optical polymers; quantum cascade lasers; QCL-modes; emission wavelengths; grating-free mid-IR QCL; pH-responsive polymeric cladding; quantum cascade lasers; reversible switching; Distributed Bragg reflectors; Distributed feedback devices; Gratings; Laser feedback; Laser modes; Laser tuning; Polymers; Quantum cascade lasers; Refractive index; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
