Title :
Asymmetric multi-quantum well infrared photodetector with a bound state in the continuum
Author :
Penello, G.M. ; Ravikumar, A.P. ; Sivco, D.L. ; Gmachl, C.
Author_Institution :
Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
By carefully designing a multi-quantum well infrared photodetector (QWIP) heterostructure, we present an asymmetric QWIP with a localized state in the continuum. A narrow photocurrent spectrum confirms the electron confinement above the barrier.
Keywords :
infrared detectors; nanophotonics; optical design techniques; photodetectors; photoemission; quantum well devices; QWIP heterostructure design; asymmetric multiquantum well infrared photodetector; bound state; electron confinement; localized state; photocurrent spectrum; Materials; Oscillators; Photoconductivity; Photodetectors; Stationary state; Temperature measurement; Tuning;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA