Modelling of a pump-power-controlled gain-locking system for multi-pump wideband Raman fibre amplifiers

M Karasek, J Kaňka, P Honzatko, P Peterka - IEE Proceedings-Optoelectronics, 2004 - IET
Transient gain response of optical amplifiers to the addition/removal of channels is a major
problem in multi-wavelength amplified optical networks. In order to avoid error bursts in the …

Transient gain dynamics in saturated counter-pumped Raman amplifiers

A Bononi, M Papararo - Optical Fiber Communication …, 2002 - ieeexplore.ieee.org
Transient gain dynamics in doped-fiber amplifiers have been studied intensively in
connection with sudden channel addition or removal caused by either unintentional failures …

Protection of surviving channels in pump-controlled gain-locked Raman fibre amplifier

M Karasek, M Menif - Optics Communications, 2002 - Elsevier
The authors present results of numerical analysis on transient gain response to channel
addition/removal in a counter-directionally pumped Raman fibre amplifier (RFA) with a pump …

Protection of surviving channels in all-optical gain-clamped lumped Raman fibre amplifier: modelling and experimentation

M Karasek, J Kaňka, P Honzatko, J Radil - Optics communications, 2004 - Elsevier
In this article we investigate, both theoretically and experimentally, suppression of transient
effects in all-optical gain-clamped (AOGC) lumped Raman fibre amplifiers (RFA) caused by …

Fast power transients in Raman fibre amplifiers

M Karásek - Proceedings of 2002 4th International Conference …, 2002 - ieeexplore.ieee.org
We have investigated, both experimentally and theoretically, the effect of channel
removal/addition on surviving channel power transients in distributed Raman fibre amplifier …

Channel addition/removal response in Raman fiber amplifiers: modeling and experimentation

M Karasek, M Menif - Journal of lightwave technology, 2002 - opg.optica.org
In this article, we investigate, both theoretically and experimentally, transient effects in
Raman fiber amplifiers (RFA) caused by channel addition/removal. A comprehensive large …

Time‐domain simulation of power transients in Raman fibre amplifiers

M Karásek, J Kaňka, P Honzatko… - International Journal of …, 2004 - Wiley Online Library
We study power transients in Raman fibre amplifiers (RFA). Transients are defined as the
output signal power response to abrupt change in the number of signal channels at the input …

Transient gain dynamics in saturated Raman amplifiers with multiple counter-propagating pumps

A Bononi, M Fuochi - Optical Fiber Communication Conference, 2003 - opg.optica.org
Thursday Technical Sessions ThC-ThE Page 1 THURSDAY MORNING / OFC 2003 / VOL. 2 /
439 Thursday, March 27 dynamics of EDFA rather than pre-stage and DCRA. The trace after …

Impact of the all-optical gain-clamping technique on the transience characteristics of cascaded discrete fiber Raman amplifiers

J Gest, LR Chen - Optics communications, 2007 - Elsevier
We theoretically analyse the dynamic response of amplifier cascades involving
combinations of unclamped and gain-clamped discrete fiber Raman amplifiers (DFRAs) in …

Transient effects in gain-clamped discrete Raman amplifier cascades

G Bolognini, F Di Pasquale - IEEE Photonics Technology …, 2004 - ieeexplore.ieee.org
This letter describes the dynamic characteristics of all-optically gain clamped discrete
Raman amplifier chains. Amplifier cascades are analyzed under channels add/drop …