Electro-optical characterisation of inp nanowire based p-n, p-i-n infrared photodetectors

Amin, Muhammed NurulHögskolan i Halmstad,Akademin för informationsteknologi,amin_m154@yahoo.com (författare)

High speed photodetectors are most sophisticated optoelectronic devices, because it has high photo sensitivity, low noise, high conversion efficiency and allow a large wavelength range of detection from 750 nm to 1.3-1.55 pm in the optical communication system. These photodetector is used as an optical receiver which transforms the energy of optical radiation such as infrared, visible or ultraviolet into the electrical signal that is convenient for measurement. Since the last decade, the electro-optical characterisation of photodetectors has been investigated to improve their performance and price. In this paper, we are going to discuss the characterisation of the two different type infrared photodectors based on nanowire that we have worked on our project. One photodetector is p- n nanowire structure, and another is p-i-n structure. Both photodetectors is worked based on internal photoelectric effect and on the theory of p-n junction. We investigated the detector performance at 77K-300K temperature corresponding with wavelength in darkness and under illumination as regarding breakdown voltage, sensitivity, and quantum efficiency. We have also compared the differences between the two photodetectors performance characteristics. © 2012 ACADEMY PUBLISHER.

TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Annan elektroteknik och elektronik hsv//swe
ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Other Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
High conversion efficiency
High speed photodetectors
InP
Internal photoelectric effect
IR photodetectors
Large wavelength range
NWs
Performance characteristics
Bit error rate
Nanowires
Optoelectronic devices
Photodetectors
Semiconductor junctions
Signal to noise ratio
Photons

Alam, Md. ObaidulHögskolan i Halmstad,Akademin för informationsteknologi,obai_aust@yahoo.com (författare)
Högskolan i HalmstadAkademin för informationsteknologi (creator_code:org_t)

Ingår i:Journal of CommunicationsRowland Heights, CA : Engineering and Technology Publishing7:11, s. 808-8201796-20212374-4367

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