Open AccessSimultaneous multi-channel OSNR monitoring with a wavelength selective switch
Author(s) -
Jochen Schröder,
Owen Brasier,
Trung D. Vo,
M.A.F. Roelens,
Steve Frisken,
Benjamin J. Eggleton
Publication year - 2010
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.18.022299
Subject(s) - optics , photodetector , wavelength , modulation (music) , wavelength division multiplexing , channel (broadcasting) , bit error rate , optical communication , computer science , amplified spontaneous emission , channel spacing , physics , optoelectronics , telecommunications , laser , acoustics
We show the first simultaneous OSNR monitoring of two 40 Gb/s OOK and DPSK channels, using only a wavelength selective switch and two slow photodetectors. Our approach is modulation format and bit-rate independent and can easily be included in existing reconfigurable networks.