Open AccessTransmission and pass-drop operations of mixed baudrate Nyquist OTDM-WDM signals for all-optical elastic network
Author(s) -
Hung Nguyen Tan,
Takashi Inoue,
Takayuki Kurosu,
Shu Namiki
Publication year - 2013
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.21.020313
Subject(s) - wavelength division multiplexing , optics , nyquist–shannon sampling theorem , computer science , physics , electronic engineering , engineering , wavelength , computer vision
We propose the use of Nyquist OTDM-WDM signal for highly efficient, fully elastic all-optical networks. With the possibility of generation of ultra-coarse yet flexible granular channels, Nyquist OTDM-WDM can eliminate guard-bands in conventional WDM systems, and hence improves the spectral efficiency in network perspective. In this paper, transmission and pass-drop operations of mixed baudrate Nyquist OTDM-WDM channels from 43 Gbaud to dual-polarization 344 Gbaud are successfully demonstrated over 320 km fiber link with four FlexGrid-compatible WSS nodes. A stable clock recovery is also carried out for different baudrate Nyquist OTDMs by optical null-header insertion technique.