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Single-modulator Based Multi-Format Switchable Signal Generator Without Background Noise

2022-11-09

 

Author(s): Zhu, S (Zhu, Sha); Chen, ZJ (Chen, Zhijie); Wang, YX (Wang, Yunxin); Jin, Y (Jin, Ya); Zhai, KP (Zhai, Kunpeng); Bai, YP (Bai, Yunping); Tan, J (Tan, Jun); Wan, PY (Wan, Peiyuan); Liu, X (Liu, Xu); Li, W (Li, Wei); Zhu, NH (Zhu, Ning Hua)

Source: JOURNAL OF LIGHTWAVE TECHNOLOGY Volume: 40 Issue: 20 Pages: 6693-6700 DOI: 10.1109/JLT.2022.3164413 Published: OCT 15 2022

Abstract: A photonic multi-format background-free binarily modulated microwave signal generator using a single dual-polarization dual-parallel Mach-Zehnder modulator is proposed and demonstrated. The proposed generator features good reconfiguration and switchability. By simply adjusting the direct current biases of the modulator, amplitude shift keying (ASK), phase shift keying (PSK) and frequency-shift keying (FSK) microwave signals can be generated. Benefiting from the complementary intensity modulation, there is no residual baseband modulated signal in the generated binarily modulated signals. The system does not involve any optical or electrical filters, which ensures good tunability of the generator. By changing the frequency of the driven microwave carrier and bit rate of the electrical coded signal, the frequency and rate of the generated multi-format signals can be adjusted accordingly. The multi-format switchable signal generator has great potential in multi-functional communication and radar systems.

Accession Number: WOS:000871074800012

ISSN: 0733-8724

eISSN: 1558-2213

Full Text: https://ieeexplore.ieee.org/document/9748974



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