METHOD AND DEVICE FOR OPTICAL SIGNAL TRANSMISSION WITH AVERAGE POWER ADAPTED TO TEMPERATURE AND AGEING, CORRESPONDING COMPUTER PROGRAM AND PROGRAM MEDIUM
A data transmission method including the step of controlling excitation current for a laser diode of a laser beam emitter device by servocontrolling the excitation current on laser beam power and by modulating the excitation current as a function of the data for transmission in order to encode the d...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A data transmission method including the step of controlling excitation current for a laser diode of a laser beam emitter device by servocontrolling the excitation current on laser beam power and by modulating the excitation current as a function of the data for transmission in order to encode the data with laser beam power levels, the method being characterized in that it includes the step of measuring a temperature (TINT) in the vicinity of the laser diode in order to perform, in accordance with the invention, two modes of operation having different setpoint values. |
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