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Giant Pulse Phenomena in a High Gain Erbium Doped Fiber Amplifier

Li, Stephen X. ; Merritt, Scott ; Krainak, Michael A. ; Yu, Anthony

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Título:
Giant Pulse Phenomena in a High Gain Erbium Doped Fiber Amplifier
Autor: Li, Stephen X. ; Merritt, Scott ; Krainak, Michael A. ; Yu, Anthony
Assuntos: Acoustics
Notas: GSFC-E-DAA-TN51097-1
GSFC
San Francisco, CA
Goddard Space Flight Center
Descrição: High gain Erbium Doped Fiber Amplifiers (EDFAs) are vulnerable to optical damage when unseeded, e.g. due to nonlinear effects that produce random, spontaneous Q-switched (SQS) pulses with high peak power, i.e. giant pulses. Giant pulses can damage either the components within a high gain EDFA or external components and systems coupled to the EDFA. We explore the conditions under which a reflective, polarization-maintaining (PM), core-pumped high gain EDFA generates giant pulses, provide details on the evolution of normal pulses into giant pulses, and provide results on the transient effects of giant pulses on an amplifier's fused-fiber couplers, an effect which we call Fiber Overload Induced Leakage (FOIL). While FOIL's effect on fused-fiber couplers is temporary, its damage to forward pump lasers in a high gain EDFA can be permanent.
Editor: Goddard Space Flight Center
Data de criação/publicação: 2018
Idioma: Inglês

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