Low-noise erbium-doped fibre amplifier operating at 1.54μm
TLDR
In this paper, a 3m-long erbium-doped fiber was used for high gain amplification of up to 28 dB at a bit rate of 140 Mbit/s.Abstract:
High gain amplification of up to 28 dB has been observed in a 3m-long erbium-doped fibre. The amplifier has a spectral bandwidth of greater than 300GHz in the region of 1.536µm and a measured sensitivity of -42dBm at a bit rate of 140 Mbit/s.read more
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High power fiber lasers: current status and future perspectives [Invited]
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TL;DR: In this article, the performance requirements for externally-modulated analog microwave photonic links are reviewed with specific emphasis placed on modulator efficiency, laser noise, detected photocurrent, and link linearity.
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Modeling erbium-doped fiber amplifiers
TL;DR: Erbium-doped fiber amplifiers are modeled using the propagation and rate equations of a homogeneous two-level laser medium, and numerical methods are used to analyze the effects of optical modes and erbium confinement on amplifier performance.
References
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Fabrication of low-loss optical fibres containing rare-earth ions
TL;DR: In this paper, the authors used an extended MCVD process to produce rare-earth ion fibers with very high absorption levels in the visible and near infra-red regions, without significantly compromising the low-loss characteristics of the fiber at wavelengths between 950 and 1400 nm.
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Simultaneous amplification and pulse compression in a single-mode optical fibre
TL;DR: In this paper, experimental observations of pulsed Raman amplification and compression in a 7.8 km optical fiber have been made, at moderate pump powers, a high gain of 26 dB and pulsewidth reduction of up to 38% have been observed simultaneously.