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239.3-Gbit/s net rate PAM-4 transmission using directly modulated membrane lasers on high-thermal-conductivity SiC
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2019
Year
Unknown Venue
Materials SciencePhotonicsMembrane LasersOptical PumpingEngineeringLaser SciencePhotonic DeviceApplied PhysicsHigh Optical ConfinementLaser MaterialHigh-thermal-conductivity SicMembrane LaserPulsed Laser DepositionMicrowave PhotonicsOptoelectronicsHigh-power LasersFiber Laser
We present a directly modulated membrane laser on high-thermal-conductivity SiC exhibiting >100-GHz bandwidth. A -40GHz relaxation oscillation frequency, owing to low thermal resistance and high optical confinement, and a -95-GHz photon-photon resonance are achieved. Net 239.3-Gbit/s PAM-4 transmission over 2-km standard single-mode fibre is demonstrated.