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Pulsed-ASE-seeded DWDM optical system with interferometric noise suppression
Author(s) -
Sang-Hwa Yoo,
SangRok Moon,
Myeonggyun Kye,
Chang-Hee Lee
Publication year - 2014
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.22.008790
Subject(s) - optics , wavelength division multiplexing , interferometry , amplified spontaneous emission , physics , mach–zehnder interferometer , optical fiber , multiplexing , noise (video) , wavelength , materials science , laser , telecommunications , computer science , artificial intelligence , image (mathematics)
We propose and demonstrate a 10-Gb/s dense wavelength-division-multiplexing (DWDM) optical system based on a pulsed-seed-light source employing a fiber-based Mach-Zehnder interferometer (F-MZI) as an intensity noise suppressor. The transmission results show that the required injection power into a reflective modulator was as low as -18 dBm. The F-MZI can accommodate the polarized seed-light with superior noise characteristics so that the supported DWDM systems double using a single conventional unpolarized seed-light. In addition, an allowable length of the drop fiber is investigated to show the system flexibility.

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