A photonic chip measures rapid laser frequency changes in real time, resolving 2 MHz variations over a 160 nm range at speeds up to 2500 THz/s.
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physics.optics 1years
2025 1verdicts
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On-chip real-time detection of optical frequency variations with ultrahigh resolution using the sine-cosine encoder approach
A photonic chip measures rapid laser frequency changes in real time, resolving 2 MHz variations over a 160 nm range at speeds up to 2500 THz/s.