介绍了光子晶体光纤及由其构成的光子晶体激光器的原理，重点介绍了双包层光子晶体光纤激光器国内外的最新研究进展。
Photonic crystal fiber and photonic crystal fiber laser are introduced. The latest research progress of double-clad photonic crystal fiber laser domestic and abroad is emphasized.
对光子晶体的性质和应用，如光局域化或光子晶体波导，甚至于是沿着一个很尖锐的弯曲的光子晶体波导能力，以及光子晶体激光器，进行了讨论。
The characteristics and applications of photonic crystal, such as light localization or the ability to guide light even along a sharp bend, and photonic crystal laser, are discussed.
但是利用光来处理信息还很复杂，要求有合适的材料和需要有比传统晶体管能力更强的激光器。
But using light to process information is tricky, requires exotic materials and lasers that demand more power than conventional transistors.
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