4.5 Article

Photonic Generation of Triangular-Shaped Waveform With Tunable Symmetry Factor Based on Two Single-Drive Mach-Zehnder Modulator

期刊

IEEE PHOTONICS JOURNAL
卷 12, 期 6, 页码 -

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2020.3030683

关键词

Optical polarization; Modulation; Fitting; Optical amplifiers; Fiber nonlinear optics; Optical fibers; Asymmetrical triangular-shaped waveform; single-drive Mach-Zehnder Modulator; Fourier series expansion

资金

  1. National Key R&D Program of China [2019YFB2204003]
  2. National Natural Science Foundation of China [61525501, 61827817]
  3. Beijing Natural Science Foundation [4192022]

向作者/读者索取更多资源

An approach to generating triangular-shaped waveform with variable symmetry based on two single-drive Mach-Zehnder Modulator is proposed and analyzed. By setting the bias state of modulators, the rotation angle of polarization controller, phase shift of phase shifters and the modulation index of modulators properly, triangular-shaped waveforms with different symmetry can be synthesized in time-domain. The detailed theoretical analysis and simulation are given. Triangular-shaped waveforms with different symmetry factor (0%-100%) are obtained in simulation. Compared with previous scheme for generating triangular-shaped waveforms with different symmetry, the generated triangular-shaped waveform in this paper is more similar to the ideal waveform.

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