Invention Grant
US09473246B2 Method and tuning device for tuning a tunable optical transmitter to a predetermined target wavelength 有权
用于将可调光发射机调谐到预定目标波长的方法和调谐装置

Method and tuning device for tuning a tunable optical transmitter to a predetermined target wavelength
Abstract:
A method for tuning a tunable optical transmitter to a target wavelength includes applying at least one tuning signal to the tunable optical transmitter to control the tunable optical transmitter to create an optical calibration signal according to nominal tuning information for the tunable optical transmitter. The optical calibration signal has a wavelength lying within a secure wavelength range, and the nominal tuning information is based on a nominal wavelength dependency for the tunable optical transmitter. The method also includes measuring a deviation between an actual wavelength dependency of the tunable optical transmitter and the nominal wavelength dependency, and determining calibration information based on that deviation. The calibration information is applied to determine a corrected nominal wavelength dependency from which target tuning information is determined. The tunable optical transmitter is controlled to create an optical channel signal according to the target tuning information.
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