利用 Nd:YVO4 激光器实现光学自杂散微波信号的相位稳定性

G. Kovács, P. Herczfeld, T. Berceli
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引用次数: 1

摘要

本文涉及一种光电子 QAM 光纤发射器的相位稳定性,该发射器可直接在光域中产生复杂的调制无线电信号。该发射器基于单波长可调 Nd:YVO4-LiNbO3 光电微芯片激光器和简单的自外差光纤布置,不带相位稳定反馈。使用 10 kHz 线宽的窄激光器和时延自外差(TDSH)装置的高通相位噪声滤波器,可提供出色的微波信号质量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phase stability of optical self-heterodyned microwave signals with Nd:YVO4 laser
This paper concerns the phase stability of an opto-electronic QAM-over-Fiber transmitter, which generates complex modulated radio signals directly in the optical domain. The transmitter is based on a single wavelength tunable Nd:YVO4-LiNbO3 electro-optic microchip laser and a simple self-heterodyne fiber optic arrangement without phase stabilization feedback. Using a narrow, 10 kHz linewidth laser and high-pass phase-noise filtering of the time-delay self-heterodyne (TDSH) arrangement provides for excellent microwave signal quality.
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