Title : 
“S-shaped” negative differential conductivity of high gain GaAs photoconductive switches
         
        
            Author : 
Liu, Hong ; Ruan, Chengli
         
        
            Author_Institution : 
Coll. of Phys. Electron., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
         
        
        
        
        
        
            Abstract : 
The formation of the ldquoS-shapedrdquo negative differential conductivity (NDC) of high gain GaAs photoconductive semiconductor switches (PCSS) is qualitatively analyzed. The development of NDC is characterized by localized direct transform from N-shaped to S-shaped NDC.
         
        
            Keywords : 
III-V semiconductors; gallium arsenide; photoconducting switches; GaAs; N-shaped negative differential conductivity; S-shaped negative differential conductivity; localized direct transform; photoconductive semiconductor switches; Cathodes; Charge carrier density; Conductivity; Educational institutions; Gallium arsenide; Impact ionization; Insulation; Photoconducting devices; Photoconductivity; Switches; boundary conditions; localized transition region; negative differential conductivity (NDC);
         
        
        
        
            Conference_Titel : 
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
         
        
            Conference_Location : 
Shanghai
         
        
            Print_ISBN : 
978-1-4244-3829-7
         
        
            Electronic_ISBN : 
978-1-4244-3830-3
         
        
        
            DOI : 
10.1109/CLEOPR.2009.5292628