摘要：【中文】本发明公布了一种频率可调谐倍频三角波、方波的产生装置及方法，所述装置包括激光器，第一偏振控制器，第一强度调制器（MZM1），微波源，微波功分器，第一电压源，第二偏振控制器，偏振分束器，第二强度调制器（MZM2），微波放大器，第二电压源，偏振合束器，光电探测器，90°移相器。所述方法如下：激光经MZM1调制产生±1阶光边带，此信号经偏振分束器分成两束偏振态相互垂直的光，一路进入MZM2调制后产生±3阶光边带。两路光信号经偏振合束器后送入光电探测器，分别拍频得二次、六次谐波，通过调节二者幅度比，即可产生倍频三角波、方波。本发明不需要滤波器、倍频器等复杂器件，具有系统复杂度低、成本低、可调性好、可调谐范围大、易于实现等优点。 【EN】The invention discloses a device and a method for generating frequency-tunable frequency-doubled triangular waves and square waves, wherein the device comprises a laser, a first polarization controller, a first intensity modulator (MZM 1), a microwave source, a microwave power divider, a first voltage source, a second polarization controller, a polarization beam splitter, a second intensity modulator (MZM 2), a microwave amplifier, a second voltage source, a polarization beam combiner, a photoelectric detector and a 90-degree phase shifter. The method comprises the following steps: laser is modulated by MZM1 to generate +/-1 order light sidebands, the signal is divided into two beams of light with mutually vertical polarization states by a polarization beam splitter, and one beam enters MZM2 to be modulated to generate +/-3 order light sidebands. The two optical signals are sent into the photoelectric detector after passing through the polarization beam combiner, the second harmonic and the sixth harmonic are obtained by beating frequency respectively, and the frequency multiplication triangular wave and the frequency multiplication square wave can be generated by adjusting the amplitude ratio of the two. The invention does not need complex devices such as a filter, a frequency multiplier and the like, and has the advantages of low system complexity, low cost, good adjustability, large tunable range, easy realization and the like.