公开(公告)号：US08155159B2

公开(公告)日：2012-04-10

申请号：US12138600

申请日：2008-06-13

申请人： David Bowler ,  Jim Aufiero ,  Frank Calabresi ,  Christopher Pekalsky ,  Jason G. Luk

发明人： David Bowler ,  Jim Aufiero ,  Frank Calabresi ,  Christopher Pekalsky ,  Jason G. Luk

IPC分类号： H01S3/30 ,  H01S3/13 ,  H01S3/00

CPC分类号： H04B10/40 ,  H04B10/0799

摘要： A method is provided to calibrate a monitor photodiode that measures the optical output power generated by an optoelectronic transceiver module that includes a burst mode laser diode. The method includes disabling the power control loop that controls an average optical output power generated by the laser diode during a laser burst. A series of logic zero signals is applied to a data input of the transceiver module and the logic zero level of the optical signal generated by the burst mode laser diode while applying the series of logic zero signals is measured. The logic zero bias level applied to the laser diode is adjusted until the measured logic zero level of the optical signal reaches a first desired value. While maintaining the optical signal at the first desired value, a first value of a current generated by the monitor photodiode in response to optical energy received from a back facet of the laser diode is stored. The first value of the current represents the calibrated value of the monitor current that will be measured when the laser generates a proper logic zero optical signal.

摘要翻译： 提供了一种校准监测光电二极管的方法，该监测光电二极管测量由包括突发模式激光二极管的光电收发器模块产生的光输出功率。 该方法包括禁用在激光脉冲串期间控制由激光二极管产生的平均光输出功率的功率控制回路。 一系列逻辑零信号被施加到收发器模块的数据输入，并且测量由脉冲串模式激光二极管产生的逻辑零电平，同时施加一系列逻辑零信号。 调整施加到激光二极管的逻辑零偏置电平，直到光信号的测量逻辑零电平达到第一所需值。 在将光信号保持在第一所需值的同时，存储响应于从激光二极管的后面接收的光能而由监控光电二极管产生的电流的第一值。 电流的第一个值表示当激光器产生适当的逻辑零光信号时将测量的监视电流的校准值。