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Sanghoon Chin

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Open access Oct 2026

Optical Frequency-Domain Reflectometry for Distributed Sensing Using Laser Current Modulation With Optical Saturation and Phase Cross-Correlation

We propose and experimentally demonstrate an optical frequency-domain reflectometry (OFDR) scheme for distributed sensing that combines direct current modulation of a telecom-grade distributed feedback laser with optical power equalization via saturable optical amplifier dynamics and phase-correlation processing. The a...

Sanghoon Chin, Marcelo A. Soto · 0 citations

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