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    • 37. 发明申请
    • OPTICAL MODULATOR
    • 光学调制器
    • WO2011086005A1
    • 2011-07-21
    • PCT/EP2011/000208
    • 2011-01-19
    • NOKIA SIEMENS NETWORKS OYROHDE, HaraldGOTTWALD, Erich
    • ROHDE, HaraldGOTTWALD, Erich
    • H04B10/155G02F1/225
    • G02F1/225H04B10/50597H04B10/516
    • An optical modulator is suggested comprising a first branch and a second branch, both being connectable to an input, in particular to a light source; wherein the first branch comprises an amplitude modulator and a phase shifter, wherein the amplitude modulator is operable by a first signal that is substantially sinusoidal; wherein the second branch comprises an amplitude modulator that is operable by a second signal that is substantially 90 degree phase shifted to the first signal; comprising a combining unit with two inputs and two outputs that combines the optical fields of the first branch and the second branch, wherein each output is arranged to supply an optical carrier. Also, a combined optical modulator comprising at least one such optical modulator is provided. Further, a method for providing optical carriers based on an input signal is suggested.
    • 提出了一种光调制器,其包括第一分支和第二分支,两者都可连接到输入端,特别是可连接到光源; 其中所述第一分支包括幅度调制器和移相器,其中所述幅度调制器可由基本上为正弦曲线的第一信号操作; 其中所述第二分支包括幅度调制器,所述幅度调制器可由基本上相对于所述第一信号90度相移的第二信号操作; 包括具有两个输入的组合单元和组合第一分支和第二分支的光场的两个输出,其中每个输出被布置成提供光学载体。 此外,提供了包括至少一个这种光学调制器的组合光学调制器。 另外,提出了一种基于输入信号提供光载波的方法。