Title :
Broadband (3.9–9.6 μm) photocurrent in quantum cascade detector with diagonal transitions
Author :
Penello, G.M. ; Merkel, B. ; Sivco, D.L. ; Gmachl, C.
Author_Institution :
Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
By carefully designing diagonal transitions in the active region, we present a broadband mid-infrared quantum cascade detector with photocurrent ranging from 3.9 to 9.6 μm, more than 2 times broader than stacked designs.
Keywords :
infrared detectors; photoconductivity; photodetectors; active region; broadband mid-infrared quantum cascade detector; broadband photocurrent; diagonal transitions; wavelength 3.9 mum to 9.6 mum; Adaptive optics; Detectors; Optical reflection; Optical sensors; Photoconductivity; Stationary state;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA