Optoelectronic frequency response measurement of photodiodes by using high-extinction ratio optical modulator

Keizo Inagaki; Tetsuya Kawanishi; Masayuki Izutsu

doi:10.1587/elex.9.220

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Optoelectronic frequency response measurement of photodiodes by using high-extinction ratio optical modulator

Keizo Inagaki, Tetsuya Kawanishi, Masayuki Izutsu

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Keywords: photodetector, frequency response, optoelectronic transfer standard, high-extinction ratio Mach-Zehnder modulator, two-tone stimulus signal

JOURNAL FREE ACCESS

2012 Volume 9 Issue 4 Pages 220-226

DOI https://doi.org/10.1587/elex.9.220

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Abstract

We propose a measurement method of photodetector frequency response. This technique is based on a heterodyne principle, where a high-extinction ratio Mach-Zehnder modulator is used to generate a two-tone lightwave as a stimulus signal up to millimeter-wave frequency bands. Our proposing method can provide a relatively short traceability chain to optical and electric power standards.

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