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    • 5. 发明授权
    • Sources of, and methods for generating, optical pulses
    • 光脉冲的来源和产生方法
    • US06813429B2
    • 2004-11-02
    • US10120965
    • 2002-04-10
    • Jonathan Hugh Vaughan PriceKentaro FurasawaDavid John RichardsonTanya Monro
    • Jonathan Hugh Vaughan PriceKentaro FurasawaDavid John RichardsonTanya Monro
    • H01S300
    • H01S3/06708G02F1/3513H01S2301/085
    • A source of optical pulses, comprises an optical source operable to generate ultrashort optical pulses at a first wavelength; and an optical fiber amplifier comprising an optical fiber having a core containing a dopant to provide optical gain at the first wavelength and anomalous dispersion over a wavelength range including the first wavelength and a second wavelength. The optical fiber receives the ultrashort optical pulses, amplifies the ultrashort optical pulses, and alters the wavelength of the ultrashort optical pulses to at least the second wavelength by the soliton-self-frequency shifting effect. Microstructured and/or tapered fibers can be used to provide the required dispersion characteristics. Pulses can be generated in one of three spectral regimes—monocolor solitons, multicolor solitons and continuous broadband spectra by adjusting the energy of the optical pulses, and tunability can be achieved by varying the power of pump light provided to the amplifier.
    • 光脉冲源包括可操作以产生第一波长的超短光脉冲的光源; 以及光纤放大器,包括具有包含掺杂剂的芯的光纤,以在第一波长处提供光增益,并在包括第一波长和第二波长的波长范围上产生异常色散。 光纤接收超短光脉冲,放大超短光脉冲,并通过孤子自变频效应将超短光脉冲的波长改变为至少第二波长。 微结构和/或锥形纤维可用于提供所需的分散特性。 可以通过调整光脉冲的能量,在三个光谱方式 - 单色孤子,多色孤子和连续宽带光谱之一中产生脉冲,并且可以通过改变提供给放大器的泵浦光的功率来实现可调谐性。