Impact Ionization in InAs Electron Avalanche Photodiodes

Marshall, Andrew R. J. and David, John P. R. and Tan, Chee Hing (2010) Impact Ionization in InAs Electron Avalanche Photodiodes. IEEE Transactions on Electron Devices, 57 (10). pp. 2631-2638. ISSN 0018-9383

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Abstract

A systematic study of impact ionization, avalanche multiplication, and excess noise in InAs diodes has been carried out, confirming that avalanche multiplication is dominated by the impact ionization of electrons. This results in highly desirable "electron avalanche photodiode" characteristics previously only demonstrated in HgCdTe diodes, which are discussed in detail. The suppression of excess noise by nonlocal effects, to levels below the local model minimum of F = 2, is explained. An electron ionization coefficient is calculated and shown to be capable of modeling the electron impact ionization, which differs characteristically from that in wider bandgap III-V materials.

Item Type:
Journal Article
Journal or Publication Title:
IEEE Transactions on Electron Devices
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
?? AVALANCHE PHOTODIODE (APD) INAS ELECTRON AVALANCHE PHOTODIODE (E-APD) IMPACT IONIZATION IONIZATION COEFFICIENTPHYSICSELECTRONIC, OPTICAL AND MAGNETIC MATERIALSELECTRICAL AND ELECTRONIC ENGINEERINGQC PHYSICS ??
ID Code:
54601
Deposited By:
Deposited On:
28 May 2012 11:07
Refereed?:
Yes
Published?:
Published
Last Modified:
17 Sep 2023 01:04