Beyond the 100 Gbaud directly modulated laser for short reach applications

نویسندگان

چکیده

Abstract It is very attractive to apply a directly modulated laser (DML)-based intensity-modulation and direct-detection (IM/DD) system in future data centers 5G fronthaul networks due the advantages of low cost, complexity, high energy efficiency, which perfectly match application scenarios networks, large number high-speed optical interconnections are needed. However, as traffic continues grow exponentially, requirements for rates beyond 100 Gbaud challenging existing DML-based IM/DD system, main bottleneck modulation bandwidth DML. In this paper, rate demands technical standards reviewed detail. With requirements, routes achievements recent DMLs discussed. way, prospects, challenges, development applications comprehensively explored.

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ژورنال

عنوان ژورنال: Journal of Semiconductors

سال: 2021

ISSN: ['1674-4926', '2058-6140']

DOI: https://doi.org/10.1088/1674-4926/42/4/041306