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该论文提出了一种用于直接调制激光器（DML）系统的28Gb/s收发器，采用啁啾管理的电子色散补偿（EDC）技术，以解决DML中啁啾现象限制传输距离的问题。通过电子域补偿，实现了低成本、低功耗的中距离光链路方案。
medium-reach optical links owing to their simplicity and cost effectiveness. However, the chirp phenomenon under direct modulation limits the reach (2-10km) in a standard single-mode fiber (SMF). Although diverse optical-domain chirp-management techniques have been studied [1], excessive cost and installation difficulties have limited their widespread use. Therefore, external modulation schemes are predominant in applications requiring extended-reach, despite their high cost and power dissipation. Recently, an electronic dispersion compensation (EDC) IC has been reported to compensate for the chirp-induced dispersion (adiabatic chirp) of a 6Gb/s DML [2,3]. However, such a technique cannot be applied to high-speed (>10Gb/s) DML applications since spectral broadening caused by transient chirp
Kyeongha Kwon, Jonghyeok Yoon, Hanho Choi, Younho Jeon,
Jaehyeok Yang, Bongjin Kim, Soonwon Kwon, Minsik Kim, Sejun Jeon, Hyosup Won, Hyeon-Min Bae KAIST, Daejeon, Korea Directly modulated lasers (DMLs) are widely employed in