Abstract
Optical Frequency Domain Reflectometry features high resolution and sensitivity. The resolution is limited by the laser scan range, linearity and noise. We introduce a laser source capable of precise > 10 THz wide and > 1 THz/s fast scans remaining phase locked to the optical comb. A resolution of 0.5E-6 at 20 km fiber is demonstrated.
© 2021 The Author(s)
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