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400-Gb/s direct modulation using a DFB+R laser

Di Che, Yasuhiro Matsui, Xi Chen, Richard Schatz, and Patrick Iannone

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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.

© 2020 Optical Society of America

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