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In-field Calibration of Phase Response of Optical Transmitter Using Built-in Monitor Photodiode

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Abstract

The in-field calibration of the phase response of high-capacity optical transmitters is proposed with the assistance of the narrow-band photodiode built in Mach-Zehnder modulator. The ±1° measurement error within signal bandwidth is experimentally demonstrated.

© 2021 The Author(s)

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