Optical system comprising an FM source and a spectral reshaping element
    3.
    发明授权
    Optical system comprising an FM source and a spectral reshaping element 有权
    光学系统包括FM光源和光谱整形元件

    公开(公告)号:US07555225B2

    公开(公告)日:2009-06-30

    申请号:US11068032

    申请日:2005-02-28

    IPC分类号: H04B10/04

    摘要: An optical communication system which has an optical signal source adapted to receive a base binary signal and produce a first signal, said first signal being frequency modulated; andan optical spectrum reshaper adapted to reshape the first signal into a second signal, said second signal being amplitude modulated and frequency modulated in which the frequency characteristics of said first signal, and the optical characteristics of said optical spectrum reshaper, being such that the frequency characteristics of said second signal are configured so as to increase the tolerance of the second signal to dispersion in a transmission fiber.

    摘要翻译: 一种光通信系统,其具有适于接收基本二进制信号并产生第一信号的光信号源,所述第一信号被频率调制; 以及适于将第一信号重新形成第二信号的光谱整形器,所述第二信号被幅度调制和频率调制,其中所述第一信号的频率特性和所述光谱整形器的光学特性使得频率 所述第二信号的特性被配置为增加第二信号对传输光纤中的色散的容差。

    Optical system comprising an FM source and a spectral reshaping element

    公开(公告)号:US20060029358A1

    公开(公告)日:2006-02-09

    申请号:US11068032

    申请日:2005-02-28

    IPC分类号: H04N11/02

    摘要: In one form of the present invention, there is provided a fiber optic communication system comprising: an optical signal source adapted to receive a base binary signal and produce a first signal, said first signal being frequency modulated; and an optical spectrum reshaper adapted to reshape the first signal into a second signal, said second signal being amplitude modulated and frequency modulated; characterized in that: the frequency characteristics of said first signal, and the optical characteristics of said optical spectrum reshaper, being such that the frequency characteristics of said second signal are configured so as to increase the tolerance of the second signal to dispersion in a transmission fiber. In another form of the present invention, there is provided an optical transmitter comprising: a frequency modulated source for generating a first frequency modulated signal, and an amplitude modulator for receiving the first frequency modulated signal and for generating a second amplitude and frequency modulated signal. In another form of the present invention, there is provided a method for transmitting an optical signal through a transmission fiber comprising: receiving a base binary signal; operating an optical signal source using the base binary signal to produce a first signal, said first signal being frequency modulated; passing the frequency modulated signal through an optical spectrum reshaper so as to reshape the first signal into a second signal, said second signal being amplitude modulated and frequency modulated; the frequency characteristics of said first signal, and the optical characteristics of said optical spectrum reshaper, being such that the frequency characteristics of said second signal are configured so as to increase the tolerance of the second signal to dispersion in a transmission fiber; and passing the second signal through a transmission fiber. In another form of the present invention, there is provided a method for transmitting a base signal, comprising: using the base signal to produce a frequency modulated signal; and providing an amplitude modulator for receiving the frequency modulated signal and for generating an amplitude and frequency modulated signal.

    Optical beam steering for tunable laser applications
    8.
    发明授权
    Optical beam steering for tunable laser applications 有权
    用于可调激光应用的光束转向

    公开(公告)号:US07630425B2

    公开(公告)日:2009-12-08

    申请号:US10786839

    申请日:2004-02-25

    IPC分类号: H01S3/08

    摘要: Apparatus is disclosed for optically steering an optical beam, the apparatus comprising a pair of optical prism components arranged together with a diffraction grating so as to allow efficient coupling of an array of spectrally and spatially offset laser diodes to a common optical fiber. A method of optically steering at least one of a series of optical beams is disclosed, the method comprising providing a pair of optical prism components comprising a thermo-optic material; actuating at least one of the components so as to steer at least one of the series of optical beams received from an array of spatially and spectrally offset lasers.

    摘要翻译: 公开了用于光学转向光束的装置,该装置包括与衍射光栅一起布置的一对光学棱镜部件,以便允许频谱和空间偏移的激光二极管的阵列与公共光纤的有效耦合。 公开了一种光学地转向一系列光束中的至少一个的方法,该方法包括提供包括热光材料的一对光学棱镜部件; 致动所述组件中的至少一个,以便引导从空间和频谱偏移激光器的阵列接收的所述一系列光束中的至少一个。