APD芯片介绍以及应用.ppt

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1、APD芯片及其应用目录概述结构与工作原理技术指标典型特性曲线产品计划应用注意事项应用实例1概述1.1术语APD：avalanchephotodiodeAvalancheeffect雪崩效应Avalanchemultiplicationfactor倍增因子Excessnoise过剩噪声Punchthroughvoltage开通电压Breakdownvoltage击穿电压1.2研究概况SpectrolabLasercomponents1.2研究概况学术会议网上资料1.3应用领域PON/FTTxSFP/SFFPhotoncounti

2、ngLaserrangefindingMilitaryapplicationOther1概述1.4分类方法工作波长材料结构用途1概述1.4分类方法—结构2结构及工作原理2.1平面结构台面结构P+InGaAsP+InPP-InGaAsP+InPSLN+InPN+InPN+InP衬底P接触N接触增透膜背照式平面结构二维阵列结构Guard-ringInGaAs/InPAPDarray2结构及工作原理2.2材料结构及电场分布2.3基本参数理论计算倍增因子击穿电压开通电压基本参数理论计算增益带宽积过剩噪声因子剩噪电流τav=（tn+tp

3、）/2其中理论计算示例Vr(V)Ea1(kV/cm)Eth1(kV/cm)Ec1(kV/cm)Em1(kV/cm)αβk=α/βMF26.867.93021.14464.88466.637315.8720255.560.36122.3262841.84323627.0008.45221.66465.40467.157369.4320392.340.36142.343061.85141828.0012.15625.37469.11470.867756.9621379.560.36282.4701541.91263129.0001

4、5.86029.07472.81474.568158.0522396.990.36422.613288.98011230.0019.56332.77476.51478.268572.9023444.880.36572.775492.05501731.00023.26736.48480.22481.979001.6824523.460.36712.9606032.13881732.0026.97140.18483.92485.679444.5725632.960.36853.1735822.2334133.00030.67443

5、.88487.62489.379901.7426773.580.36983.4209242.34129434.0034.37847.59491.33493.0810373.3427945.510.37123.7113182.46581135.00038.08251.29495.03496.7810859.5429148.940.37264.0566562.61154436.00041.78655.00498.74500.4911360.5030384.030.37394.4736612.78494237.0045.48958.

6、70502.44504.1911876.3531650.920.37524.986612.99537438.00049.19362.40506.14507.8912407.2432949.760.37665.6321513.25699239.0052.89766.11509.85511.6012953.2934280.670.37796.4683253.59221940.00056.60069.81513.55515.3013514.6535643.770.37927.5928534.03881441.0060.30473.5

7、1517.25519.0014091.4437039.140.38049.1840244.66568242.00064.00877.22520.96522.7114683.7638466.880.381711.605295.61330343.0067.71180.92524.66526.4115291.7439927.050.383015.729957.21923644.00071.41584.63528.37530.1215915.4741419.720.384224.3180210.5503545.0075.11988.3

8、3532.07533.8216555.0742944.940.385553.0951621.6853745.85178.27191.48535.22536.9717111.9344268.570.386594455.3936512.7745.8578.27491.48535.