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    • 1. 发明授权
    • Optical communications system
    • 光通信系统
    • US07593608B2
    • 2009-09-22
    • US12253218
    • 2008-10-16
    • Steven J. Frisken
    • Steven J. Frisken
    • G02B6/26
    • G02B6/29395G02B6/29311G02B6/29391G02B6/29394H04J14/0201H04J14/0221
    • In an optical communications link, an optical system including: at least a first input port for delivering an optical signal travelling in the communications link, the optical signal including a plurality of wavelength channels, the channels being utilized for carrying optical information over an optical data link; a dispersive element for spatially separating the wavelength channels; an active optical-phase element; and a plurality of optical manipulation elements for directing the spatially separated channels between the dispersive element and the optical phase element wherein, the optical phase element independently modifies the phase of predetermined ones of the wavelength channel in a predetermined and decoupled manner for substantial compensation of signal degradation effects imparted to the wavelength channels by said communications link.
    • 在光通信链路中,光学系统包括:至少第一输入端口,用于传递在通信链路中行进的光信号,所述光信号包括多个波长信道,所述信道用于在光数据上承载光信息 链接; 用于空间分离波长通道的色散元件; 有源光学相位元件; 以及用于在色散元件和光学相位元件之间引导空间分离的通道的多个光学操作元件,其中,光学相位元件以预定和解耦的方式独立地修改预定波长通道的相位,以实质上补偿信号 通过所述通信链路赋予波长信道的劣化效果。
    • 2. 发明授权
    • Optical communications system
    • 光通信系统
    • US07447401B2
    • 2008-11-04
    • US11069608
    • 2005-02-28
    • Steven J. Frisken
    • Steven J. Frisken
    • G02B6/26
    • G02B6/29395G02B6/29311G02B6/29391G02B6/29394H04J14/0201H04J14/0221
    • In an optical communications link, an optical system including: at least a first input port for delivering an optical signal travelling in the communications link, the optical signal including a plurality of wavelength channels, the channels being utilized for carrying optical information over an optical data link; a dispersive element for spatially separating the wavelength channels; an active optical-phase element; and a plurality of optical manipulation elements for directing the spatially separated channels between the dispersive element and the optical phase element wherein, the optical phase element independently modifies the phase of predetermined ones of the wavelength channel in a predetermined and decoupled manner for substantial compensation of signal degradation effects imparted to the wavelength channels by said communications link.
    • 在光通信链路中,光学系统包括:至少第一输入端口,用于传递在通信链路中行进的光信号,所述光信号包括多个波长信道,所述信道用于在光数据上承载光信息 链接; 用于空间分离波长通道的色散元件; 有源光学相位元件; 以及用于在色散元件和光学相位元件之间引导空间分离的通道的多个光学操作元件,其中,光学相位元件以预定和解耦的方式独立地修改预定波长通道的相位,以实质上补偿信号 通过所述通信链路赋予波长信道的劣化效果。
    • 3. 发明授权
    • Optical calibration system and method
    • 光学校准系统及方法
    • US07457547B2
    • 2008-11-25
    • US10984594
    • 2004-11-08
    • Steven J. FriskenGlenn W. BaxterHao ZhouDmitri Abakoumov
    • Steven J. FriskenGlenn W. BaxterHao ZhouDmitri Abakoumov
    • H04B10/00
    • G01M11/0292G02B6/29311G02B6/29313G02F2203/12G02F2203/50
    • In an optical system including an optical input port for projecting an input optical signal onto an optical phased matrix array, an optical phased matrix array including a plurality of individually addressable pixels thereon, each said pixel being drivable within a prescribed range of levels, and an optical output port for collecting a predetermined fraction of said optical signal received from said optical phased matrix array; a method of compensating for phase distortions including the steps of: (a) determining a plurality of transfer functions relating said level of each said pixel to the phase variation each said pixel introduces to light from said input optical signal which is incident thereon; and (b) controlling the level of selected ones of said pixels in accordance with a corresponding transfer function such that said fractional signal received at said output port is modified in phase to substantially compensate for optical phase distortions arising from said optical phased matrix array.
    • 在包括用于将输入光信号投影到光相位矩阵阵列上的光输入端口的光学系统中,包括多个可单独寻址的像素的光相位矩阵阵列,每个所述像素可在规定的电平范围内驱动,并且 光输出端口,用于收集从所述光相位矩阵阵列接收的所述光信号的预定部分; 一种补偿相位失真的方法,包括以下步骤:(a)确定将每个所述像素的所述电平与所述像素引入的相位变化相关联的多个传输函数,所述相位变化来自入射在其上的所述输入光信号; 以及(b)根据相应的传递函数来控制所述像素中所选择的像素的电平,使得在所述输出端口处接收到的所述分数信号被相位修改以基本上补偿由所述光相位矩阵阵列产生的光学相位失真。
    • 4. 发明授权
    • Modelocked lasers
    • 模式锁定激光器
    • US5577057A
    • 1996-11-19
    • US108660
    • 1993-09-20
    • Steven J. Frisken
    • Steven J. Frisken
    • H01S3/067H01S3/098H01S3/30
    • H01S3/1112H01S3/06791
    • A configuration enabling passive modelocking in an optical fiber device is disclosed, utilizing the non-linear Kerr effect. Various configurations are disclosed, using both standard and polarization maintaining fiber, and a bulk optics implementation. One embodiment comprises a figure of eight arrangement formed by two cross-coupled fiber loops, one of the loops being a Sagnac mirror. A further embodiment exploits the non-linearity of polarization in polarization maintaining fibers.
    • PCT No.PCT / AU92 / 00093 Sec。 371日期:1993年9月20日 102(e)日期1993年9月20日PCT提交1992年3月2日PCT公布。 出版物WO92 / 16037 日期:1992年9月17日公开了一种使用非线性克尔效应的在光纤器件中实现无源锁模的配置。 公开了使用标准和偏振保持光纤以及体光学实现的各种配置。 一个实施例包括由两个交叉耦合光纤环路形成的八个布置的图形,其中一个环路是Sagnac反射镜。 另一实施例利用偏振维持光纤中的极化的非线性。