Hybrid integration of a DFB laser with an external deformed microcavity provides wavelength self-adaptive Rayleigh scattering feedback, narrowing intrinsic linewidth to 525 Hz over a 2.25 nm continuous tuning range with 76 dB SMSR.
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2026 1verdicts
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Hybrid integrated narrow linewidth semiconductor laser based on the distributed feedback from an external deformed microcavity
Hybrid integration of a DFB laser with an external deformed microcavity provides wavelength self-adaptive Rayleigh scattering feedback, narrowing intrinsic linewidth to 525 Hz over a 2.25 nm continuous tuning range with 76 dB SMSR.