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Photonic Network Communications
Erschienen in: Photonic Network Communications 3/2021

05.03.2021 | Original Paper

Filter-free photonic microwave waveforms generation based on polarization-sensitive Mach–Zehnder modulator

verfasst von: Hongshi Zhao, Jianxin Ma

Erschienen in: Photonic Network Communications | Ausgabe 3/2021

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Abstract

This paper has proposed a photonic microwave waveforms generation scheme based on a dual-polarization Mach–Zehnder modulator (DPol-MZM) at moderate modulation depth without optical filtering. In the scheme, two sub-MZMs are driven by a fundamental frequency and a frequency tripled signal, respectively, to perform the optical carrier suppression modulation along two orthogonal polarization directions. Due to the polarization orthogonality of the tones, there is no cross-beating term in the photocurrent after photodetection. The harmonics power ratio is adjusted by varying the modulation indices and DC biases to obtain the temporal triangular and square waveforms. Frequency-doubled triangular and square waveforms with full duty cycle at repetition rates of 5, 10 and 20 GHz are successfully generated with optimized modulation indices and demonstrated by the simulation.
Vorheriger Artikel Real-time data backup in Geo-distributed data center networks against progressive disaster
Nächster Artikel Spectral width reduction using apodized cascaded fiber Bragg grating for post-dispersion compensation in WDM optical networks

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Metadaten
Titel
Filter-free photonic microwave waveforms generation based on polarization-sensitive Mach–Zehnder modulator
verfasst von
Hongshi Zhao
Jianxin Ma
Publikationsdatum
05.03.2021
Verlag
Springer US
Erschienen in
Photonic Network Communications / Ausgabe 3/2021
Print ISSN: 1387-974X
Elektronische ISSN: 1572-8188
DOI
https://doi.org/10.1007/s11107-021-00925-z

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