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A new proposal of spectral encoded photonic analog-to-digital converter

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4 Author(s)
Qingwei Wu ; Dept. of Electron. Eng., Tsinghua Univ., Beijing ; Hongming Zhang ; Xin Fu ; Minyu Yao

A novel scheme of spectral encoded photonic analog-to-digital converter is proposed. Cascaded lithium niobate Mach-Zehnder modulators are used to convert the amplitude of the electrical analog signal to the shift of the transmission characteristic, and a set of interleaving spectral filters perform as the optical comparators. Compared with usual spectral encoded photonic analog-to-digital converter, particular benefit of our proposed scheme is no requirement of nonlinear effects to realize spectral quantization and encoding.

Published in:

Microwave photonics, 2008. jointly held with the 2008 asia-pacific microwave photonics conference. mwp/apmp 2008. international topical meeting on

Date of Conference:

Sept. 9 2008-Oct. 3 2008