Excess avalanche noise in In0.52Al0.48As

被引:81
作者
Goh, Y. L. [1 ]
Marshall, A. R. J.
Massey, D. J.
Ng, J. S.
Tan, C. H.
Hopkinson, M.
David, J. P. R.
Jones, S. K.
Button, C. C.
Pinches, S. M.
机构
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
[2] Bookham Technol PLC, Caswell Towcester NN12 8EQ, Northants, England
基金
英国工程与自然科学研究理事会;
关键词
avalanche photodetectors; excess noise; impact ionization; InAlAs;
D O I
10.1109/JQE.2007.897900
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Avalanche multiplication and excess noise arising from both electron and hole injection have been measured on a series of In0.52Al0.48As p(+)-i-n(+) and n(+)-i-p(+) diodes with nominal avalanche region widths between 0.1 and 2.5 mu m. With pure electron injection, low excess noise was measured at values corresponding to effective kappa = ss/alpha between 0.15 and 0.25 for all widths. Enabled ionization coefficients were deduced using a non-local ionization model utilizing recurrence equation techniques covering an electric field range from approximately 200 kV/cm to 1 MV/cm.
引用
收藏
页码:503 / 507
页数:5
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