High Power and High Speed SOA Assisted Extended Reach EADFB Laser (AXEL) for 53-Gbaud PAM4 Fiber-Amplifier-Less 60-km Optical Link

Takahiko Shindo,Kimikazu Sano,Hideaki Matsuzaki,Naoki Fujiwara,Shigeru Kanazawa,Masahiro Nada,Yasuhiko Nakanishi,Toshihide Yoshimatsu,Atsushi Kanda,Mingchen Chen,Yoshitaka Ohiso

Journal of Lightwave Technology（2020）

Cited 28|Views39

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Abstract

In our article to extend a 100 Gbit/s/λ fiber-amplifier-less optical link with a simple and cost-effective transmission system, we have fabricated an O-band wavelength range (1260–1360 nm) SOA assisted extended reach EADFB laser (AXEL) with a 300-μm-long DFB laser and 85-μm-long SOA. The length of the integrated electroabsorption modulator was set to 125 μm to obtain a section with low parasitic c...

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Key words

Semiconductor optical amplifiers,Optical fiber communication,Optical transmitters,Power generation,Modulation,Optical device fabrication,Optical receivers

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