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    • 7. 发明申请
    • OPTICAL AMPLIFIER
    • 光放大器
    • US20110286085A1
    • 2011-11-24
    • US13088904
    • 2011-04-18
    • Kyosuke SONESusumu Kinoshita
    • Kyosuke SONESusumu Kinoshita
    • H01S3/13H01S3/14
    • H04B10/2942H01S3/06754H01S3/10015H01S3/10038H01S3/10069H01S3/1608
    • An optical amplifier includes an input port, an output port, an amplification medium, a light source, a monitor, and a controller. The amplification medium with which doped an rare-earth element for optical amplification is allocated on an optical path between the input port and the output port. The light source supplies the amplification medium with an excitation light. The monitor monitors a total power of an optical signal of each wavelength according to a monitor period which is longer than a transient response time of the amplification medium. The controller controls the light source so that a power of the excitation light is constant when a monitor value of the monitor is equal to or smaller than a predetermined threshold value and controls the light source so that an optical gain in the amplification medium is constant when the monitor value is larger than the predetermined threshold value.
    • 光放大器包括输入端口,输出端口,放大介质,光源,监视器和控制器。 掺杂有用于光放大的稀土元素的放大介质被分配在输入端口和输出端口之间的光路上。 光源向放大介质提供激发光。 监视器根据比放大介质的瞬态响应时间长的监视周期监视每个波长的光信号的总功率。 控制器控制光源,使得当监视器的监视值等于或小于预定阈值时激发光的功率是恒定的,并且控制光源使得放大介质中的光学增益是恒定的 监视值大于预定阈值。
    • 9. 发明申请
    • Optical communication system
    • 光通信系统
    • US20090290873A1
    • 2009-11-26
    • US12320529
    • 2009-01-28
    • Yutaka TakitaSusumu Kinoshita
    • Yutaka TakitaSusumu Kinoshita
    • H04B10/20H04J14/02
    • H04J14/025H04J3/1611H04J14/0209H04J14/0212H04J14/0213H04J14/0246H04J14/0247H04J14/0252H04J14/0282H04J14/0283H04J14/0286
    • An optical communicating apparatus that is connected to another optical communicating apparatus by a two-core optical transmission path includes: a one-core optical transmission path that passes an optical signal transmitted from an optical transmitter/receiver performing one-core bilateral communication and an optical signal transmitted to the optical transmitter/receiver in an opposite direction; a transmitting unit that transmits the optical signal transmitted from the optical transmitter/receiver through the one-core optical transmission path, to the other optical communicating apparatus through a first core of the two-core optical transmission path; and a receiving unit that receives the optical signal transmitted from the other communicating apparatus through a second core of the two-core optical transmission path, and passes the received optical signal to the one-core optical transmission path.
    • 通过双芯光传输路径连接到另一光通信装置的光通信装置包括:通过从执行单核双向通信的光发射机/接收机发送的光信号的光纤传输路径和光纤 信号以相反的方向传输到光发射机/接收机; 发送单元,其通过所述单核心光传输路径将从所述光收发器发送的所述光信号通过所述双核光传输路径的第一核发送到所述另一光通信装置; 以及接收单元,其通过双芯光传输路径的第二核心接收从其他通信装置发送的光信号,并将接收到的光信号传递到单芯光传输路径。