Title :
Time-resolved THz laser spectra using a fiber-interfaced optical heterodyne system
Author :
Folland, T.G. ; Ramos-Pulido, A. ; Marshall, O.P. ; Beere, H.E. ; Ritchie, D.A. ; Chakraborty, S.
Author_Institution :
Sch. of Electr. & Electron. Eng., Univ. of Manchester, Manchester, UK
Abstract :
We report the first fully fiber-interfaced heterodyne system for time-resolved spectral characterization of THz quantum cascade lasers. By exploiting the bias probe rise time we study the current dependent mode tuning with 50ns temporal resolution.
Keywords :
laser modes; laser tuning; microwave photonics; quantum cascade lasers; terahertz wave spectra; time resolved spectra; THz quantum cascade lasers; bias probe rise time; current dependent mode tuning; fiber-interfaced optical heterodyne system; temporal resolution; time-resolved THz laser spectra; Current measurement; Optical fibers; Optical variables measurement; Quantum cascade lasers; Radio frequency; Temperature measurement; Tuning;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
