Digital twin of optical networks: a review of recent advances and future trends

D Wang, Y Song, Y Zhang, X Jiang… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Digital twin (DT) has revolutionized optical communication networks by enabling their full life-
cycle management, including planning, prediction, optimization, upgrade, and …

Amplifiers for the masses: EDFA, EDWA, and SOA amplets for metro and access applications

DR Zimmerman, LH Spiekman - Journal of lightwave technology, 2004 - opg.optica.org
Small erbium-doped amplets and semiconductor optical amplifiers will be used in current
and future metro and enterprise networks in various configurations. Many new system …

Average inversion level, modeling, and physics of erbium-doped fiber amplifiers

Y Sun, JL Zyskind, AK Srivastava - IEEE Journal of selected …, 1997 - ieeexplore.ieee.org
We present a detailed study of a set of models for characterizing the gain, the input and
output powers of single erbium-doped fiber amplifiers (EDFAs) and networks of EDFAs. The …

Equalization in amplified WDM lightwave transmission systems

AR Chraplyvy, JA Nagel… - IEEE Photonics …, 1992 - ieeexplore.ieee.org
The authors introduce simple techniques to solve gain equalization problems in amplified
wavelength-multiplexed lightwave transmission systems. By adjusting the channel powers at …

Modeling of four-wave mixing and gain peaking in amplified WDM optical communication systems and networks

W Zeiler, F Di Pasquale, P Bayvel… - Journal of Lightwave …, 1996 - ieeexplore.ieee.org
A theoretical model is presented for analyzing the propagation of densely spaced WDM
optical signals through a cascade of erbium-doped fiber amplifiers and single-mode optical …

Self-swept erbium fiber laser around 1.56 μm

P Navratil, P Peterka, P Vojtisek, I Kasik… - Opto-Electronics …, 2018 - Elsevier
Self-swept erbium fiber laser emitting around 1.56 μm is reported in detail. Both sweep
directions were registered: pointing toward longer and shorter wavelengths, redshift and …

Novel highly efficient in-band pump wavelengths for medium slope efficiency holmium-doped fiber amplifiers

RE Tench, W Walasik, JM Delavaux - Journal of Lightwave …, 2021 - opg.optica.org
We report the design and performance of medium slope efficiency (64%) Holmium-doped
fiber amplifiers (HDFAs) with novel alternative in-band pump wavelengths in the 1720–2000 …

A model for the prediction of EDFA gain in a space radiation environment

O Berné, M Caussanel, O Gilard - IEEE Photonics Technology …, 2004 - ieeexplore.ieee.org
Erbium-doped fiber amplifiers (EDFAs) were irradiated with/sup 60/Co/spl gamma/-rays up
to a total dose of 3 kGy. Gain measurements and 1310-nm absorption were achieved during …

In-depth studies of the spectral bandwidth of a 25 W 2 μm band PM hybrid Ho-and Tm-doped fiber amplifier

RE Tench, C Romano, JM Delavaux… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
We report the broadband spectral performance of a three-stage, high gain, single mode,
high output power (25 W) polarization-maintaining (PM) hybrid Ho-doped and Tm-doped …

Signal excited-state absorption in the L-band EDFA: Simulation and measurements

M Bolshtyansky, I Mandelbaum, F Pan - Journal of lightwave …, 2005 - opg.optica.org
Signal excited-state absorption (ESA) influences the performance of erbium-doped fiber
amplifier (EDFA) in the L band. The influence is twofold: 1) ESA is responsible for signal …