Results 181 to 190 of about 5,371 (219)
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EDFA for SCM transmission systems

Conference Proceedings LEOS'96 9th Annual Meeting IEEE Lasers and Electro-Optics Society, 2002
Recently, the application of erbium-doped fiber amplifiers (EDFAs) to access networks with an analogue subcarrier multiplexing (SCM) transmission technique has been investigated. For CATV systems, the EDFAs need to maintain their low noise and distortion characteristics without using high quality but expensive optical components.
S. Shikii   +4 more
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In the wake of the EDFA [PDF]

open access: possible, 2006
The huge investment made by the telecommunications community in advancing photonics over the last three decades brings a considerable opportunity to disrupt other markets with new optical technology. Exploiting the wealth of devices and techniques developed for telecoms in other areas of technology requires a clear view of the advantages which optical ...
openaire  

EDFA and EDFL Review

2011
In this chapter, I propose a comprehensive study of erbium-doped fiber amplifier (EDFA) and erbium doped fiber laser (EDFL). The chapter is based on three principal levels: the first is at the atomic level, where it is evident and meaningful to give general and deep studies on erbium spectra at theoretical background angle.
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Compact optical module for EDFA

Proceedings of 1995 Japan International Electronic Manufacturing Technology Symposium, 2002
There is some problem to construct a small sized EDFA (Erbium doped fiber amplifier), because it contains many optical components, optical fibers and fusion-splice portions, which require large mounting space and careful quality control. To solve such problem, we have developed compact optical modules for a 1.48 /spl mu/m pumping EDFA.
H. Go, I. Kono, G. Sasaki
openaire   +1 more source

Four-wave mixing in EDFAs

Optical Fiber Communication Conference. Technical Digest Postconference Edition. Trends in Optics and Photonics Vol.37 (IEEE Cat. No. 00CH37079), 2002
We study FWM in C- and L-band EDFAs. We observe that FWM efficiency is determined by fiber length and channel spacing. We show that FWM from EDFAs exceeds that from non-zero dispersion-shifted fiber in DWDM system.
Y. Liu   +5 more
openaire   +1 more source

Model of gain dynamics in EDFAs

Optical Amplifiers and Their Applications, 1992
Erbium-Doped Fiber Amplifiers have turned out to be key-components in future high-rate/long-haul communication systems.
Y. Maigron, J.F. Marcerou
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Gain and Noise figure performance of erbium doped fiber amplifiers (EDFAs) and Compact EDFAs

Optik, 2011
Abstract In this paper, we compare the Gain and Noise figure characteristics of physical EDFAs and Compact EDFAs in an optical system consisting of cascade of both the amplifiers. We demonstrate the gain, noise figure variations of a forward pumped EDFA and Compact EDFAs as functions of Er 3+ fiber length, injected pump power and up-conversion co ...
Rajneesh Kaler, R.S. Kaler
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The signal and pumping power for EDFA

2003 International Semiconductor Conference. CAS 2003 Proceedings (IEEE Cat. No.03TH8676), 2004
In this work, we determine the optical signal power and the pumping power for EDFA as function of the distance along the optical fiber. The method used for the computing of the numerical solutions for optical signal power and pumping power is the Runge-Kutta method with fourth-order accuracy.
P. Schiopu, F. Vasile
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EDFAS Virtual Workshop Highlights

EDFA Technical Articles, 2021
Abstract This column provides commentary about the 2020 EDFAS Virtual Workshop. Highlights from the three days of online sessions include a keynote address on the history of MEMS, a panel discussion on 3D packaging technologies, and nearly 60 technical papers and posters.
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Effects of concentration and clusters in EDFAs

Optical Fiber Communications Conference, 1995
Strong interest in heavily doped erbium-doped waveguides1 and in the applications of heavily doped erbium-doped fibers (EDFs) in lasers has resulted in several recent studies of collective processes in erbium ions. Rapid cross relaxation within a fraction of clustered ions, called pair-induced quenching (PIQ), has been identified as the main cause of ...
P. Myslinski, D. Nguyen, J. Chrostowski
openaire   +1 more source

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