Enabling Endogenous DAS in P2MP Digital Subcarrier Coherent Transmission System with Enhanced Frequency Response
Optical Fiber Communications Conference and Exhibition（2024）
Abstract
We propose an endogenous DAS in P2MP digital subcarrier coherent transmission systems. By redesigning and reusing FrFT-based synchronization pilots, vibrations up to 12 kHz are successfully detected over 10-km-long fiber, along with 100-Gb/s 16QAM transmission.
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Key words
Frequency Response,Digital Transmission,Distributed Acoustic Sensing,Enhanced Frequency Response,Fast Fourier Transform,Power Spectral Density,Optical Power,Bit Error Rate,Leaf Node,Digital Signal Processing,Optical Amplifier,Local Oscillator,Time Synchronization,Digital Oscilloscope,Piezoelectric Transducer,Matched Filter,Linear Frequency Modulation,Frequency Synchronization,Variable Optical Attenuator
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