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    • 9. 发明申请
    • USE OF OPA FOR SWITCHING AND ROUTING IN WDM NETWORKS
    • 使用OPA在WDM网络中切换和路由
    • WO02035742A1
    • 2002-05-02
    • PCT/SE2001/002046
    • 2001-09-24
    • G02F1/35H01S3/108H04B10/293H04J14/02H04Q11/00H04B10/18G02F1/39H04B1/74
    • H04J14/029G02F1/3538H01S3/1083H04B10/2939H04J14/0227H04J14/0241H04J14/0279H04J14/0282H04Q11/0062
    • The present invention is an arrangement for utilizing optical information sent through an optical network from a sending site A to at least one receiving site, B1, B2, B3. The arrangement comprises an optical parametric amplifier OPA for receiving the optical information sent at a set of input wavelengths lambda 1 DIVIDED lambda n. The arrangement also comprises a mixer in the amplifier OPA for mixing the input wavelengths lambda 1 DIVIDED lambda n, with an optical pump wavelength lambda p and means for generating a set of optical conjugate copy wavelengths DOLLAR sim lambda 1 DIVIDED DOLLAR sim lambda n extracted from the set of input wavelengths lambda 1 DIVIDED lambda n. A WDM-splitter is used for separating the set of input wavelengths lambda 1 DIVIDED lambda n from the set of conjugate copy wavelengths DOLLAR sim lambda 1 DIVIDED DOLLAR sim lambda n. Fibers are used for forwarding the set of input wavelength and/or the set of conjugate copy wavelengths DOLLAR sim lambda 1 DIVIDED DOLLAR sim lambda n individually to the at least one of the receiving site B1, B2, B3.
    • 本发明是一种利用从发送站点A到至少一个接收站点B1,B2,B3通过光网络发送的光信息的装置。 该装置包括用于接收在一组输入波长λ1 DIVIDEDλn发送的光学信息的光学参量放大器OPA。 该装置还包括用于将输入波长λ1 DIVIDEDλn与光泵浦波长λp混合的放大器OPA中的混频器,以及用于产生从一组光共轭复制波长DOLLAR sim lambda 1 DIVIDED DOLLAR sim lambda n提取的装置 输入波长的集合λ1 DIVIDEDλn。 WDM分离器用于将一组输入波长λ1 DIVIDEDλn与共轭复制波长DOLLAR sim lambda 1 DIVIDED DOLLAR sim lambda n的集合进行分离。 纤维被用于将输入波长和/或一组共轭复制波长DOLLAR sim lambda 1 DIVIDED DOLLAR sim lambda n单独转发到接收站点B1,B2,B3中的至少一个。