基于双偏振双驱动马赫-泽恩德（Mach-Zehnder）调制器的无滤波器微波光子单边带混频器，可抑制混频尖刺

IF 1.1 4区物理与天体物理 Q4 OPTICS

Optical Review Pub Date : 2024-04-03 DOI:10.1007/s10043-024-00884-6

Zhenyu Li, Tao Wu, Zhenyang Shi, Enming Xu, Zuxing Zhang

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引用次数: 0

摘要

本文提出了一种基于双偏振双驱动马赫-泽恩德调制器（DPol-DDMZM）的无滤波器微波光子单边带混频器，并进行了实验验证。通过调节两个 DDMZM 的偏置电压，每个 DDMZM 都能产生具有上边带或下边带的单边带（SSB）信号。在偏振器之前，通过调节偏振控制器来消除光载波。单边带频率的上变频和下变频可在抑制混频刺的情况下独立实现。由于没有使用滤波器，因此拟议的频率转换器具有较大的工作带宽，而且在具有色散的长光纤中传输时，不会出现 SSB 调制引起的色散功率衰减。实验结果表明，在宽带频率范围内，所有混频尖峰都得到了很好的抑制，所需信号的最大边带抑制比高达 36 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Filter-free microwave photonic single-sideband mixer with mixing spurs suppressed based on dual-polarization dual-drive Mach–Zehnder modulator

A filter-free microwave photonic single-sideband mixer based on dual-polarization dual-drive Mach–Zehnder modulator (DPol-DDMZM) is proposed and verified experimentally. By adjusting the bias voltages of two DDMZMs, each DDMZM generates a single-sideband (SSB) signal with upper or lower sideband. The optical carrier is cancelled by adjusting the polarization controller before a polarizer. The single-sideband frequency upconversion and downconversion are independently achieved with the mixing spurs suppressed. The proposed frequency converter has a large operating bandwidth since no filter is used, and there is no dispersion-induced power fading due to the SSB modulation when transmitting in a long fiber with a dispersion. Experimental results show that all the mixing spurs are well suppressed over a wideband frequency range, and the maximum sideband suppression ratio of desired signal is up to 36 dB.

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来源期刊

Optical Review 物理-光学

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

2 months

期刊介绍： Optical Review is an international journal published by the Optical Society of Japan. The scope of the journal is: General and physical optics; Quantum optics and spectroscopy; Information optics; Photonics and optoelectronics; Biomedical photonics and biological optics; Lasers; Nonlinear optics; Optical systems and technologies; Optical materials and manufacturing technologies; Vision; Infrared and short wavelength optics; Cross-disciplinary areas such as environmental, energy, food, agriculture and space technologies; Other optical methods and applications.