Journal ArticleDOI
Optical signal quality monitor built into WDM linear repeaters using semiconductor arrayed waveguide grating filter monolithically integrated with eight photodiodes
H. Suzuki,N. Takachio +1 more
TLDR
In this paper, a compact optical signal quality monitor suitable for WDM linear repeaters which use a semiconductor arrayed waveguide grating filter (AWG) is proposed.Abstract:
A compact optical signal quality monitor suitable for WDM linear repeaters which use a semiconductor arrayed waveguide grating filter (AWG) is proposed. Implemented with semiconductor AWG module monolithically integrated with eight photodiodes, an optical signal-to-noise ratio measurement is carried out.read more
Citations
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Journal ArticleDOI
Optical performance monitoring
Daniel C. Kilper,R. Bach,Daniel J. Blumenthal,D. Einstein,Taha Landolsi,L.M. Ostar,M. Preiss,Alan E. Willner +7 more
TL;DR: In this paper, the role of OPM as an enabling technology for advances in high-speed and optically switched networks is examined, with the focus on fault management and QoS monitoring in the optical domain.
Journal ArticleDOI
OSNR monitoring technique using polarization-nulling method
TL;DR: In this article, a simple technique for monitoring the optical signal-to-noise ratios (OSNRs) of wavelength-division-multiplexed (WDM) signals is presented.
Journal ArticleDOI
A Review of the Polarization-Nulling Technique for Monitoring Optical-Signal-to-Noise Ratio in Dynamic WDM Networks
TL;DR: In this article, the performance of the polarization-nulling technique was analyzed and several techniques to overcome the effect of nonlinear birefringence in a highly nonlinear transmission link.
Journal ArticleDOI
Machine Learning Techniques for Optical Performance Monitoring and Modulation Format Identification: A Survey
TL;DR: A comprehensive review of the available ML-based techniques for MFI, OPM, and joint MFI/OPM, describing their performance, advantages, and limitations and some lessons learned are presented to help the reader identify the gaps, weaknesses, and strengths.
Patent
Optical transport network
David F. Welch,Radhakrishnan Nagarajan,Fred A. Kish,Mark J. Missey,Vincent G. Dominic,Atul Mathur,Frank H. Peters,Charles H. Joyner,Richard P. Schneider,Ting-Kuang Chiang +9 more
TL;DR: It is demonstrated that these technologies have brought about a great change in transport network design and performance and further innovations are required to fully realize a high-performance computer communication network, a cost-effective nationwide B-ISDN, and local networks for video distribution.
References
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Journal ArticleDOI
Packaged polarization-insensitive WDM monitor with low loss (7.3 dB) and wide tuning range (4.5 nm)
TL;DR: In this article, a low-loss (7.3 dB) polarization-insensitive packaged WDM monitor has been fabricated in an industry-standard butterfly-type module, which can be tuned simultaneously in the 4.5-nm range.
Journal ArticleDOI
Dynamic gain control by maximum signal power channel in optical linear repeaters for WDM photonic transport networks
TL;DR: In this article, a dynamic gain control method that automatically selects the maximum signal power and keeps it constant is described, which can cope with not only changes in the number of channels, but also signal power fluctuations.