400-Gb/s direct modulation using a DFB+R laser
Di Che, Y. Matsui, Xi Chen, Richard Schatz, P.P. Iannone
Abstract
We demonstrate a direct-modulation and direct-detection system with a back-to-back line rate of 411.6 (net bit rate of 337.5) Gb/s using a 65 GHz DFB+R laser. The O-band laser with a chirp parameter of 0.6 supports dispersion-tolerant transmissions up to 15 km without an optical amplifier.
Topics & Concepts
OpticsDistributed feedback laserLaserModulation (music)AmplifierOptical amplifierMaterials scienceChirpDispersion (optics)Optical communicationLaser linewidthOptoelectronicsPhysicsAcousticsCMOSOptical Network TechnologiesSemiconductor Lasers and Optical DevicesPhotonic and Optical Devices