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    • 13. 发明申请
    • Tuneable optical amplifier or optical parametric oscillator
    • 可调光学放大器或光学参量振荡器
    • US20070110375A1
    • 2007-05-17
    • US10558869
    • 2004-05-31
    • John Harvey
    • John Harvey
    • G02B6/00
    • G02F1/395
    • A parametric process is provided for producing visible light at a second wavelength including pumping an optical fibre (4) with input light (1) at a first wavelength of less than one micron, which is longer than the second wavelength, and wherein the optical fibre (4) has zero group velocity dispersion at a third wavelength in the visible or near infrared region and longer than the first wavelength. An optical amplifier that uses the parametric process for producing light at second wavelength is also provided. The optical fibre (4) may be a photonic crystal fibre. The parametric process is tuneable by adjusting the frequency of the zero group velocity dispersion, the frequency of the first wavelength or the birefringence of the optical fibre (4).
    • 提供了用于产生第二波长的可见光的参数化处理,包括用比第二波长长的第一波长的第一波长的输入光(1)泵浦光纤(4),并且其中光纤 (4)在可见光或近红外区域的第三波长处具有零群速度色散,并且比第一波长长。 还提供了使用参数化处理来产生第二波长的光的光放大器。 光纤(4)可以是光子晶体光纤。 通过调整零组速度色散的频率,第一波长的频率或光纤(4)的双折射来调节参数过程。