Technique for measuring semiconductor laser chirp
    3.
    发明授权
    Technique for measuring semiconductor laser chirp 失效
    半导体激光啁啾测量技术

    公开(公告)号:US6026105A

    公开(公告)日:2000-02-15

    申请号:US30539

    申请日:1998-02-23

    CPC分类号: H01S5/0014 H01S5/0687

    摘要: A technique for characterizing laser chirp utilizes an optical fiber and its inherent interferometric properties. An RF modulating signal is applied to the laser, where the modulated output signal thereafter propagates through a conventional optical fiber. A photoreceiver and spectrum analyzer are coupled to the opposite end of the optical fiber. By adjusting the power of the applied RF signal, the maximum IIN can be determined. The laser chirp can then be calculated by dividing the measurement frequency by the modulation current associated with the maximum IIN value.

    摘要翻译: 用于表征激光啁啾的技术利用光纤及其固有的干涉特性。 RF调制信号被施加到激光器,其中调制的输出信号此后通过常规光纤传播。 光接收器和频谱分析仪耦合到光纤的相对端。 通过调整所施加的RF信号的功率,可以确定最大IIN。 然后可以通过将测量频率除以与最大IIN值相关联的调制电流来计算激光啁啾。