Optical signal processor
    1.
    发明授权
    Optical signal processor 失效
    光信号处理器

    公开(公告)号:US06377388B1

    公开(公告)日:2002-04-23

    申请号:US09717466

    申请日:2000-11-20

    IPC分类号: G02F100

    CPC分类号: G02F2/004 G02F1/3517

    摘要: An optical signal processor is disclosed comprising a first optical path having a first electroabsorption optical modulator to be applied with a constant voltage and to absorb light of a signal wavelength, a second optical path having a fixed phase relation with the first optical path relative to a probe wavelength, a probe light introducer for dividing probe light of the probe wavelength into two portions and feeding them respectively into the first and second optical paths, an original signal light introducer for introducing original signal light of the signal wavelength into the first electroabsorption optical modulator, and a combiner for combining both light of the probe wavelength passed through the first and second paths.

    摘要翻译: 公开了一种光信号处理器,其包括具有第一电吸收光调制器的第一光路,该第一光吸收光调制器被施加恒定电压并吸收信号波长的光,与第一光路相对于第一光路具有固定相位关系的第二光路 探针波长,用于将探测波长的探测光分成两部分并分别馈送到第一和第二光路中的探测光引导器,用于将信号波长的原始信号光引入第一电吸收光调制器的原始信号光引入器 以及组合器,用于组合穿过第一和第二路径的探针波长的光。

    Optical short pulse reshaping device
    2.
    发明授权
    Optical short pulse reshaping device 失效
    光学短脉冲整形装置

    公开(公告)号:US5912911A

    公开(公告)日:1999-06-15

    申请号:US864477

    申请日:1997-05-28

    摘要: An optical short pulse reshaping device capable of effectively eliminating noise from or reshaping of input optical short pulses of a pulse width of picosecond order shorter than a carrier life time. The device comprises: a semiconductor laser element, means for injecting an electric current to the semiconductor laser element for obtaining an oscillation state of the semiconductor laser element, means for injecting into the semiconductor laser element input optical short pulses of a wavelength shorter than that of the oscillation light of said semiconductor laser element, and means for taking out optical short pulses emitted from the semiconductor laser element in distinction from its oscillation output light.

    摘要翻译: 一种光学短脉冲整形装置,其能够有效地消除比载波寿命短的皮秒脉冲宽度的输入光学短脉冲的噪声或整形。 该装置包括:半导体激光元件,用于向半导体激光元件注入电流以获得半导体激光元件的振荡状态的装置,用于将半导体激光元件的振荡状态的波长短于 所述半导体激光元件的振荡光,以及从半导体激光元件发出的光短脉冲与其振荡输出光不同的装置。

    Optical gate and optical phase modulator
    3.
    发明授权
    Optical gate and optical phase modulator 失效
    光栅和光相位调制器

    公开(公告)号:US06728019B2

    公开(公告)日:2004-04-27

    申请号:US09898274

    申请日:2001-07-02

    IPC分类号: G02F103

    摘要: An optical gate according to the invention comprises a polarization divider to divide an optical signal into two orthogonal polarization components and to output them as a first polarization component which precedes in the time base and a second polarization component which follows the first one in the time base; a semiconductor optical amplifier to modulate the phase of the second polarization component output from the polarization divider according to a control light; an assist light supplier to supply to the semiconductor optical amplifier an assist light to help the recovery of the refractive index variation of the semiconductor optical amplifier caused by the control light; a polarization combiner to combine the first and second polarization components of the optical signal transmitting on the semiconductor optical amplifier so as to adjust them in the same time location; and a polarization extractor to extract a predetermined polarization direction component from the output from the polarization combiner.

    摘要翻译: 根据本发明的光栅包括偏振分配器,用于将光信号分成两个正交偏振分量,并将其输出为在时基之前的第一偏振分量,以及在时基中跟随第一偏振分量的第二偏振分量 ; 半导体光放大器,用于根据控制光调制从偏振分光器输出的第二偏振分量的相位; 辅助光供应器向半导体光放大器提供辅助光,以帮助恢复由控制光引起的半导体光放大器的折射率变化; 偏振组合器,用于组合在半导体光放大器上传输的光信号的第一和第二偏振分量,以便在相同的时间位置调整它们; 以及极化提取器,用于从偏振组合器的输出中提取预定的偏振方向分量。

    Optical processing device
    4.
    发明授权
    Optical processing device 失效
    光学处理装置

    公开(公告)号:US6091536A

    公开(公告)日:2000-07-18

    申请号:US212891

    申请日:1998-12-16

    摘要: An optical processor comprising, a semiconductor saturable absorber; a current source for injecting a current to the semiconductor saturable absorber; a signal light introducer for introducing a signal light to the saturable absorber; a control light introducer for introducing a control light having a wavelength not longer than the wavelength of the signal light into the semiconductor saturable absorber; an assist light introducer for introducing an assist light having a wavelength longer than the wavelength of the signal light into the semiconductor saturable absorber; and a signal light extractor for extracting the signal light after treatment by the semiconductor saturable absorber.

    摘要翻译: 一种光学处理器,包括:半导体可饱和吸收体; 用于向半导体可饱和吸收体注入电流的电流源; 用于将信号光引入可饱和吸收体的信号光引入器; 用于将具有不大于信号光波长的波长的控制光引入到半导体可饱和吸收体中的控制光导入器; 辅助光引入器,用于将具有比信号光的波长长的波长的辅助光引入到半导体可饱和吸收体中; 以及用于通过半导体可饱和吸收体提取处理后的信号光的信号光提取器。

    Reshaping device for optical short pulses
    5.
    发明授权
    Reshaping device for optical short pulses 失效
    光学短脉冲整形装置

    公开(公告)号:US5805327A

    公开(公告)日:1998-09-08

    申请号:US653662

    申请日:1996-05-21

    CPC分类号: G02F1/3513 H01S3/0057

    摘要: There is disclosed a reshaping device for optical short pulses to effectively perform reshaping of and eliminate noise from an optical short pulse of a pulse width of pico second order less than a carrier life time. Input optical short pulses are applied to a saturable absorption element, while an assist light of a wavelength longer than that of the input optical signal pulses is also applied to the saturable absorption element to accelerate, by stimulated emission, recombination of excited electrons and holes produced in the saturable absorption element in response to the input optical signal pulses, so that the input optical signal pulses reshaped are derived from the saturable absorption element.

    摘要翻译: 公开了一种用于光学短脉冲的重新成形装置,以有效地执行比载波寿命小的微秒级的脉冲宽度的光学短脉冲的重新整形和消除噪声。 输入光学短脉冲施加到可饱和吸收元件,而波长比输入光信号脉冲长的辅助光也被施加到可饱和吸收元件,以通过受激发射加速激发的电子和产生的孔的复合 在可饱和吸收元件中响应于输入光信号脉冲,使得重构的输入光信号脉冲从可饱和吸收元件导出。