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Differentially Encoded Photonic Analog-to-Digital Conversion Based on Phase Modulation and Interferometric Demodulation

✍ Scribed by Ying Chen; Hao Chi; Shilie Zheng; Xianmin Zhang; Xiaofeng Jin


Book ID
115460582
Publisher
IEEE
Year
2011
Tongue
English
Weight
524 KB
Volume
23
Category
Article
ISSN
1041-1135

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## Abstract A novel digital active homodyne demodulation scheme to eliminate the signal fading in interferometric fiber‐optic sensors is proposed. The error signal is obtained by the square‐wave phase modulation and then the digital correlation detection technique is applied to demodulate the low‐f