Analytical Model for Obtaining the Ionization Rate Ratio of Mesa InAlAs Avalanche Photodiodes

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概要

• 論文の詳細を見る

• We proposed a new analytical model to extract the effective ionization rate ratio $k$ from the measured multiplication noise of Avalanche photodiodes (APDs). In this model, $k$ was expressed as a function of the multiplication factor $M$. We extracted the effective $k$ of the mesa-structured InAlAs APDs using this model. A measurement system that consisted of a low-noise differential preamplifier was developed for this purpose, leading to the measurements of the noise data, particularly in the region where it was small. APD noise data could be fitted to the curve based on this new analytical model better than with other analytical models over the wide range of $M$. The effective $k$ in the region where $M$ was small became appropriate using this model. The quantum efficiency of the APDs was also found to be reasonable compared with the results obtained using the other analytical models.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2010-05-25

著者

• Makita Kikuo

  Nano Electron. Res. Labs. Nec Corporation

• Nakata Takeshi

  Nano Electron. Res. Labs. Nec Corporation

• Kasahara Kenichi

  Faculty of Science & Engineering, Ritsumeikan University

• Kikuo Makita

  Nano Electronics Research Laboratories, NEC Corporation, 2-9-1 Seiran, Otsu 520-0833, Japan

• Kenichi Kasahara

  Faculty of Science and Engineering, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga 525-8577, Japan

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