The actively and passive mode-locked fiber ring laser and two types of photonic switching, slalom ( semiconductor laser amplifier loop mirror ) and uni ( ultrafast nonlinear interferometer ) were developed . this thesis presented the principle and the requirements for the optical of frequency-shift sampling module under common conditions 研制了作為光取樣脈沖源的主動(dòng)鎖模和被動(dòng)鎖模光纖激光器;半導(dǎo)體光放大器環(huán)鏡及超高速非線性干涉儀的光子開關(guān),并進(jìn)行了頻差法光取樣、異步光取樣及基于時(shí)分光取樣的光子模數(shù)轉(zhuǎn)換的實(shí)驗(yàn)研究。