Excess noise measurement in avalanche photodiodes using a transimpedance amplifier front-end

Kit-Man Lau, Chee Hing Tan, Beng Koon Ng, K F Li, R.C. Tozer, J.P.R. David, G.J. Rees

Measurement Science and Technology · 2006 · 50 citations · 15 references

Concepts

Abstract

We report a versatile system for measuring excess noise and multiplication in avalanche photodiodes, using a transimpedance amplifier front-end and based on phase-sensitive detection, which permits accurate measurement in the presence of a high dark current. The system, which we have used successfully on a wide variety of materials and device structures, can measure reliably the excess noise factor of devices with a capacitance of up to ∼50 pF.

References

15