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    • 2. 发明授权
    • Fiber amplifiers and fiber lasers with reduced out-of-band gain
    • 具有降低带外增益的光纤放大器和光纤激光器
    • US07940453B2
    • 2011-05-10
    • US11834472
    • 2007-08-06
    • Richard MurisonTullio PanarelloBenoit ReidReynald Boula-Picard
    • Richard MurisonTullio PanarelloBenoit ReidReynald Boula-Picard
    • H01S3/00
    • H01S3/06754H01S3/09415H01S3/14H01S3/1618H01S3/2375H01S2301/04
    • A method of operating a fiber amplifier characterized by a spectral gain curve includes providing an input signal at a signal wavelength. The signal wavelength lies within an in-band portion of the spectral gain curve extending from a first in-band wavelength to a second in-band wavelength, the in-band portion being characterized by a first amplitude range. The method also includes providing pump radiation at a pump wavelength. The pump wavelength is less than the signal wavelength. The method further includes coupling the pump radiation to the fiber amplifier and amplifying the input signal to generate an output signal. All portions of the spectral gain curve at wavelengths less than the first in-band wavelength and greater than the pump wavelength are characterized by a second amplitude less than or equal to 10 dB greater than the first amplitude range.
    • 以光谱增益曲线为特征的操作光纤放大器的方法包括提供信号波长的输入信号。 信号波长位于从第一带内波长延伸到第二带内波长的光谱增益曲线的带内部分内,带内部分的特征在于第一幅度范围。 该方法还包括提供泵浦波长的泵浦辐射。 泵浦波长小于信号波长。 该方法还包括将泵浦辐射耦合到光纤放大器并放大输入信号以产生输出信号。 在小于第一带内波长并且大于泵波长的波长处的光谱增益曲线的所有部分的特征在于小于或等于比第一幅度范围大10dB的第二幅度。
    • 3. 发明授权
    • Method and system for tunable pulsed laser source
    • 可调脉冲激光源的方法和系统
    • US07903697B2
    • 2011-03-08
    • US12354408
    • 2009-01-15
    • Richard MurisonTullio PanarelloBenoit ReidReynald Boula-PicardStephane Caplette
    • Richard MurisonTullio PanarelloBenoit ReidReynald Boula-PicardStephane Caplette
    • H01S3/30
    • H01S3/10084H01S3/06712H01S3/06754H01S3/10015H01S3/1618H01S3/2333H01S2301/02
    • A tunable pulsed laser includes a seed source and an optical circulator. The optical circulator includes at least a first port coupled to the seed source, a second port, and a third port. The laser also includes an amplitude modulator characterized by a first optical side and a second optical side. The first optical side is coupled to the second port of the optical circulator. The laser further includes a first optical amplifier characterized by an input end and a reflective end. The input end is optically coupled to the second side of the amplitude modulator. The laser additionally includes a tap coupler optically coupled to the amplitude modulator and characterized by a pre-determined split ratio. Moreover, the laser includes a first photo-detector optically coupled to the tap coupler and adapted to receive a portion of the seed signal transmitted through the amplitude modulator and to generate an output signal.
    • 可调脉冲激光器包括种子源和光循环器。 光循环器至少包括耦合到种子源的第一端口,第二端口和第三端口。 激光器还包括以第一光学侧和第二光学侧为特征的振幅调制器。 第一光学侧耦合到光循环器的第二端口。 激光器还包括第一光放大器,其特征在于输入端和反射端。 输入端光耦合到幅度调制器的第二侧。 激光器还包括光耦合到幅度调制器的抽头耦合器,并且其特征在于预定的分频比。 此外,激光器包括光耦合到抽头耦合器并适于接收通过振幅调制器传输的种子信号的一部分并产生输出信号的第一光电检测器。