由于具有超短的脈沖寬度和極高的峰值強度,飛秒激光微加工是一種有效的材料加工方法,已廣泛應(yīng)用于光子集成器件的加工。鈮酸鋰晶體具有優(yōu)異的電光、非線性光學(xué)和壓電特性,是集成光學(xué)和導(dǎo)波光學(xué)中常見的材料。本文綜述了飛秒激光對鈮酸鋰晶體的處理,重點介紹了飛秒激光加工的物理原理及其制備的鈮酸鋰基光子器件的最新進展。飛秒激光技術(shù)使鈮酸鋰晶體在微納光子學(xué)領(lǐng)域具有廣闊的應(yīng)用前景。 

【文章來源】：物理學(xué)進展. 2020,40(03)北大核心CSCD

【文章頁數(shù)】：15 頁

【文章目錄】：
CONTENTS
I.INTRODUCTION
II.MECHANISMS OF FS-LASER PROCESSING IN LN CRYSTALS
    A.Ultrafast laser-induced damage in LN crystal
        1. Surface ablation
        2.Microexplosions
    B.Refractive index changes induced by fs-laser irradiation
    C.Spot distortion and aberration compensation technology in LN
III.LN-BASED PHOTONIC DEVICES PROCESSED BY AN FS LASER
    A.LN-based waveguide structures
        1. Type-I waveguides
        2. Type-II waveguides
        3. Type-III waveguides
    B.Photonic devices based on waveguide structures
        1.Integrated LN electro-optic modulators
        2.Frequency converters in LN waveguides
    C.Photonic crystals
    D.High-Q-factor LN-based microresonators
IV.LN NONLINEAR PHOTONIC CRYSTALS
V.CONCLUSION



本文編號：3130097