Title :
Absorbtion and quantum efficiency calculation for quantum cascade photodetector
Author :
Gryshchenko, Sergii ; Klimenko, Mikhail ; Shulika, Oleksiy ; Lysak, Vladimir
Author_Institution :
Lab. Photonics, Kharkov Nat. Univ. of Radio Electron., Kharkov, Ukraine
Abstract :
Performance of the quantum cascade 2.3 μm InAs/GaAs/InGaAs photodetector is estimated theoretically employing density matrix theory. Presented design shows 58% quantum efficiency and 98 nm FWHM.
Keywords :
III-V semiconductors; gallium arsenide; indium compounds; light absorption; optical design techniques; photodetectors; quantum well devices; InAs-GaAs-InGaAs; density matrix theory; optical absorption; optical design; quantum cascade photodetector; quantum efficiency calculation; wavelength 2.3 mum; Absorption; Detectors; Gallium arsenide; Indium gallium arsenide; Mathematical model; Optical polarization; Quantum mechanics;
Conference_Titel :
Thz Radiation (TERA), 2010 2nd IEEE International Workshop
Conference_Location :
Sevastopol
Print_ISBN :
978-1-4244-8296-2
DOI :
10.1109/TERA.2010.5619941
