Title :
High power spiral cavity quantum cascade superluminescent emitter
Author :
Zheng, Mei C. ; Aung, Nyan L. ; Basak, Abanti ; Liu, Peter Q. ; Xiaojun Wang ; Jen-Yu Fan ; Troccoli, Mariano ; Gmachl, Claire F.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
Quantum cascade devices have been shaped into compact, yet long spiral cavities to increase mid-infrared superluminescence power. A peak power of ~57 mW at 250 K is obtained with a coherence length of ~107 μm.
Keywords :
infrared spectra; laser cavity resonators; light coherence; quantum cascade lasers; superradiance; coherence length; high power spiral cavity quantum cascade superluminescent emitter; mid-infrared superluminescence power; temperature 250 K; Cavity resonators; Coherence; Optical device fabrication; Optical imaging; Quantum cascade lasers; Spirals; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
