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Proceedings Paper

Magnitude response measurement of electro-optic intensity modulator based on photonic downconversion sampling
Author(s): Yangxue Ma; Zhiyao Zhang; Zhen Zeng; Shangjian Zhang; Yong Liu
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Paper Abstract

We propose and demonstrate a self-calibrating approach to measure the magnitude response of a broadband electro-optic intensity modulator based on photonic downconversion sampling. A low-repetition-rate mode-locked laser is employed to sample a swept-frequency microwave signal via the modulator under test, where the magnitude response of the modulator is calculated from the relative intensity of the Fourier frequency components in the first Nyquist frequency range and the direct current. In the experiment, magnitude response and half-wave voltage versus frequency of a commercial Mach-Zehnder electro-optic modulator within a frequency range of 0-40 GHz is successfully measured using the proposed method.

Paper Details

Date Published: 6 November 2018
PDF: 7 pages
Proc. SPIE 10812, Semiconductor Lasers and Applications VIII, 108120H (6 November 2018); doi: 10.1117/12.2500816
Show Author Affiliations
Yangxue Ma, Univ. of Electronic Science and Technology of China (China)
Zhiyao Zhang, Univ. of Electronic Science and Technology of China (China)
Zhen Zeng, Univ. of Electronic Science and Technology of China (China)
Shangjian Zhang, Univ. of Electronic Science and Technology of China (China)
Yong Liu, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 10812:
Semiconductor Lasers and Applications VIII
Ning Hua Zhu; Werner H. Hofmann, Editor(s)

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