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首页> 外文期刊>Optics Letters >Novel 2N bit bipolar photonic digital-to-analog converter based on optical DQPSK modulation coupled with differential detection
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Novel 2N bit bipolar photonic digital-to-analog converter based on optical DQPSK modulation coupled with differential detection

机译:基于光DQPSK调制和差分检测的新型2N位双极光子数模转换器

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摘要

A novel 2N bit bipolar photonic digital-to-analog converter (PDAC) scenario based on the optical differential quadrature phase shift keying (ODQPSK) modulation coupled with differential detection is proposed. Compared with other proposed schemes, this bipolar PDAC has a greater dynamic range and a larger noise margin with good scalabilities both in speed and resolution. We demonstrate a 4 bit PDAC in a proof-of-principle experiment at a sampling rate of 2.5 GS/s.
机译:提出了一种基于光差分正交相移键控(ODQPSK)调制和差分检测的新型2N位双极光子数模转换器(PDAC)方案。与其他提议的方案相比,该双极性PDAC具有更大的动态范围和更大的噪声容限,并且在速度和分辨率上均具有良好的可扩展性。我们在原理验证实验中以2.5 GS / s的采样率演示了4位PDAC。

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