Home > Archive>Volume 19, Issue 8, 2023 >449-454. DOI:https://doi.org/10.1007/s11801-023-2116-z
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Research on wavelength conversion of triangular pulses with variable symmetry based on SPM effect
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State Key Laboratory of Media Convergence and Communication, Communication University of China, Beijing 100044, China

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    Abstract:

    The generation of periodic triangular waveform with variable symmetrical coefficient based on a dual-parallel Mach-Zehnder modulator (DP-MZM) is demonstrated in this work. By properly setting the modulation index and bias points of DP-MZM, desired symmetric/asymmetric triangular waveforms can be generated. Then applying the generated triangular waveform into an amplitude modulator (AM), a single-period signal can be extracted to explore the optical wavelength conversion induced by the self-phase modulation (SPM) effect in a high nonlinear fiber (HNLF). Wavelength shifts of triangular waveforms with different coefficients (10%, 20%, 30%, 40% and 50%) are calculated. In addition, the influence of key parameters of HNLF on the wavelength conversion is analyzed in detail.

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YUAN Jin, LIU Qisong, MEI Ying, XU Xiuxiu, WANG Yujie, BA Xinran. Research on wavelength conversion of triangular pulses with variable symmetry based on SPM effect[J]. Optoelectronics Letters,2023,19(8):449-454

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  • Online: August 22,2023
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