Monitoring the state of the optical network is a key enabler for programmability of network functions, protocols and efficient use of the spectrum. A particular challenge is to provide the SDN-EON controller with a panoramic view of the complete state of the optical spectrum. This paper describes the architecture for compact on-chip spectrometry targeting high resolution across the entire C-band to reliably and accurately measure the spectral profile of WDM signals in fixed and flex-grid architectures. An industry standard software tool is used to validate the performance of the spectrometer. The fabrication of the proposed design is found to be practical.
@article{arxiv.1912.04133,
title = {Circuit architecture of a sub-GHz resolution panoramic C band on-chip spectral sensor},
author = {Mehedi Hasan and Mohammad Rad and Gazi Mahamud Hasan and Peng Liu and Patric Dumais and Eric Bernier and Trevor Hall},
journal= {arXiv preprint arXiv:1912.04133},
year = {2019}
}