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A reconfigurable photonic microwave mixer using a dual-polarization modulator

机译：使用双偏振调制器的可重构光子微波混合器

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摘要

A novel reconfigurable photonic microwave mixer using an integrated dual-polarization binary phase shift keying modulator is proposed. In the modulator, one dual-drive Mach-Zehnder modulator (DMZM) is driven by an RF signal to perform optical single sideband modulation, while another DMZM is driven by a local oscillator (LO) signal. Thanks to the orthogonal-polarization property of the integrated modulator, the optical carriers from the two DMZMs can be cancelled out each other. By adjusting the phase difference of the two LO signals applied to the modulator and the bias phase of the DMZM, the photonic microwave mixer can be worked as a single sideband mixer or harmonic mixer. The scheme is simple, compact and filter-free. The reconfigurable photonic microwave mixer is verified by simulation. The results show that the electrical spurs suppression ratios for both the single sideband mixer and the harmonic mixer are 31 dB.
机译：提出了一种使用集成双极化二进制相移键控调制器的新型可重构光子微波混合器。在调制器中，一个双驱动马赫曾德尔调制器（DMZM）由RF信号驱动以执行光学单边带调制，而另一个DMZM由本地振荡器（LO）信号驱动。由于集成调制器的正交偏振特性，两个DMZM的光载波可以相互抵消。通过调节施加到调制器的两个LO信号的相位差和DMZM的偏置相位，光子微波混频器可以用作单边带混频器或谐波混频器。该方案简单，紧凑且无过滤器。通过仿真验证了可重构光子微波混合器。结果表明，单边带混频器和谐波混频器的电杂散抑制比均为31 dB。

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