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相关概念视频

Channel Rhodopsins01:11

Channel Rhodopsins

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Most organisms use photoreceptors to sense and respond to light. Examples of photoreceptors include bacteriorhodopsins and bacteriophytochromes in some bacteria, phytochromes in plants, and rhodopsins in the photoreceptor cells of the vertebral retina. The light-sensitive property of these receptors is because of the bound chromophores, such as bilin in the phytochromes and retinal in the rhodopsins.
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...
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In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation
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可重新配置的素化物集成非线性光子学.

Di Xia1,2, Liyang Luo1,2, Linyi Wang1,2

  • 1Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, School of Electrical and Information Technology, Sun Yat-sen University, Guangzhou, 510275, China.

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|November 19, 2025
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概括

研究人员开发了可重新配置的GeSbS集成微振解器. 这一突破使多功能非线性光子设备的动态分散工程成为可能,使激光器和光源的新应用成为可能.

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科学领域:

  • 光子学 是一个光子学.
  • 材料科学 材料科学 材料科学
  • 非线性光学是非线性光学.

背景情况:

  • 集成光子学利用非线性光学来实现先进的光源.
  • 在非线性光子设备的制造后修改分散是一个重大挑战.
  • 散射决定了对于非线性光学过程至关重要的相匹配条件.

研究的目的:

  • 提供集成的GeSbS微光器,具有任意可重新配置的分散配置.
  • 展示集成光子学中动态分散工程的方法.
  • 为各种应用实现可扩展和可重新配置的非线性设备.

主要方法:

  • 利用洞内反射来产生静止波模式.
  • 通过光敏度沿着微复原器打印或擦除的布拉格格.
  • 通过布拉格格通过强度合的双向共振合成可调节的分散.

主要成果:

  • 实现了微共振器分散配置的任意和动态重新配置.
  • 证明可调节的分散,用于调整参数振荡器侧带.
  • 启用了Kerr微的光谱平整和Brillouin激光器的确定性生成.

结论:

  • 开发的GeSbS微振器为分散提供了前所未有的控制.
  • 这种技术为可重编程的非线性光子设备铺平了道路.
  • 该方法支持可扩展的集成和光子学中的广泛应用.