V2EX four-wave mixing

Four-wave Mixing

定义 Definition

四波混频:一种非线性光学效应,指在具有三阶非线性(χ)的介质中,三束(或两束)光波相互作用,产生新的第四个频率成分(新光波)。在光纤通信、激光频率转换与量子光学中常见。也常简称 FWM

发音 Pronunciation

/fr wev mks/

例句 Examples

Four-wave mixing can generate new colors of light in a fiber.
四波混频可以在光纤中产生新的光颜色(新频率成分)。

In dense wavelength-division multiplexing systems, four-wave mixing may cause crosstalk and degrade signal quality.
在密集波分复用系统中,四波混频可能引起串扰并降低信号质量。

词源 Etymology

该术语由 four-wave(四个波) + mixing(混合/混频)构成,字面意思是“四个波的混合”。来源于非线性介质中多个电磁波耦合时产生频率混合的现象描述;在光纤与非线性光学文献中逐渐固定为专门术语。

相关词 Related Words

文学与著作 Literary Works

  • Robert W. Boyd, Nonlinear Optics(《非线性光学》)中系统讨论四波混频与χ非线性过程。
  • Govind P. Agrawal, Nonlinear Fiber Optics(《非线性光纤光学》)中以光纤通信场景详细分析FWM的产生条件与工程影响。
  • Bahaa E. A. Saleh & Malvin C. Teich, Fundamentals of Photonics(《光子学基础》)中介绍非线性效应并提及四波混频等频率混合过程。
  • Amnon Yariv & Pochi Yeh, Photonics(《光子学》)相关章节涉及波互作用与非线性频率转换,包括四波混频。
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