Amplifierless PAM-4/PAM-8 transmissions in O-band using a directly modulated laser for optical data-center interconnects

Nikolaos Panteleimon Diamantopoulos, Wataru Kobayashi, Hidetaka Nishi, Koji Takeda, Takaaki Kakitsuka, Shinji Matsuo

Research output: Contribution to journalArticle

Abstract

Toward the realization of low-cost, long-, and extended-reach 400GbE data-center applications, the performance of pulse amplitude modulated (PAM) signals is studied using a state-of-the-art, high-performance 1.3-μm distributed feedback directly modulated laser, without any optical amplification or complex digital processing. Amplifierless PAM-4 transmissions of up to 64-Gb/s are achieved over 40 km of standard single-mode fiber (SSMF) for standard KP4-FEC, while 84-Gb/s PAM-8 signals are evaluated over 10 km SSMF.

Original languageEnglish
Pages (from-to)9-12
Number of pages4
JournalOptics Letters
Volume44
Issue number1
DOIs
Publication statusPublished - 2019 Jan 1
Externally publishedYes

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pulse amplitude
lasers
fibers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Amplifierless PAM-4/PAM-8 transmissions in O-band using a directly modulated laser for optical data-center interconnects. / Diamantopoulos, Nikolaos Panteleimon; Kobayashi, Wataru; Nishi, Hidetaka; Takeda, Koji; Kakitsuka, Takaaki; Matsuo, Shinji.

In: Optics Letters, Vol. 44, No. 1, 01.01.2019, p. 9-12.

Research output: Contribution to journalArticle

Diamantopoulos, Nikolaos Panteleimon ; Kobayashi, Wataru ; Nishi, Hidetaka ; Takeda, Koji ; Kakitsuka, Takaaki ; Matsuo, Shinji. / Amplifierless PAM-4/PAM-8 transmissions in O-band using a directly modulated laser for optical data-center interconnects. In: Optics Letters. 2019 ; Vol. 44, No. 1. pp. 9-12.
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