Practical needs related to infrastructure management are driving optical network operators to include Raman amplification in order to improve the performance of long fiber spans. Compared to standard erbium-doped fiber amplifier (EDFA) management, Raman amplifiers require a greater degree of control and monitoring due to their distributed nature. Inevitably, this update leads to a key consideration; the introduction of additional telemetry devices with respect to standard EDFA photodiodes, resulting in an increase in required investments. In this work, we present an embedded controller architecture in combination with an ad-hoc probing procedure to manage Raman amplification within disaggregated optical networks, using only standard integrated equipment, allowing an efficient implementation without the introduction of optical channel monitors (OCMs). This proposal is validated using a fully representative experimental campaign, testing both the probing procedure on a single fiber span and the operation of a Raman amplifier using the extracted information.
Autonomous Raman Amplifiers using Standard Integrated Network Equipment / Borraccini, G.; Staullu, S.; Piciaccia, S.; Tanzi, A.; Nespola, A.; Galimberti, G.; Curri, V.. - In: IEEE PHOTONICS TECHNOLOGY LETTERS. - ISSN 1041-1135. - ELETTRONICO. - 33:16(2021), pp. 868-871. [10.1109/LPT.2021.3063526]
Autonomous Raman Amplifiers using Standard Integrated Network Equipment
Borraccini G.;Curri V.
2021
Abstract
Practical needs related to infrastructure management are driving optical network operators to include Raman amplification in order to improve the performance of long fiber spans. Compared to standard erbium-doped fiber amplifier (EDFA) management, Raman amplifiers require a greater degree of control and monitoring due to their distributed nature. Inevitably, this update leads to a key consideration; the introduction of additional telemetry devices with respect to standard EDFA photodiodes, resulting in an increase in required investments. In this work, we present an embedded controller architecture in combination with an ad-hoc probing procedure to manage Raman amplification within disaggregated optical networks, using only standard integrated equipment, allowing an efficient implementation without the introduction of optical channel monitors (OCMs). This proposal is validated using a fully representative experimental campaign, testing both the probing procedure on a single fiber span and the operation of a Raman amplifier using the extracted information.File | Dimensione | Formato | |
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PTL_2021_extension_IPC_2020_RAMAN.pdf
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https://hdl.handle.net/11583/2917272