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Dive into the research topics where Bera Palsdottir is active.

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Featured researches published by Bera Palsdottir.


european conference on optical communication | 2001

Silica based erbium doped fiber extending the L-band to 1620+ nm

Inger Pihl Byriel; Bera Palsdottir; M. Andrejco; C.C. Larsen

A fiber has been developed for use in extended L-band amplifiers, utilizing the wavelength range from 1565 to 1620 nm. The fiber is silica based and has low splice loss to standard telecommunication fiber. The quantum conversion efficiency is >60%.


Proceedings of SPIE, the International Society for Optical Engineering | 2001

L-band erbium-doped silica fibers and their applications

Jian Liu; Paul F. Wysocki; M. J. Andrejco; Bera Palsdottir

High concentration erbium-doped silica fibers were developed for amplification of L-band optical signals. Power conversion efficiency as a function of erbium-doping concentration for various erbium-doped silica fibers was analyzed and characterized at a wavelength of 1585 nm and at a pump wavelength of 1480 nm by using a two-stage amplifier and a C-band ASE filter. The experimental results are consistent with the simulation results. High Al doping and optimization of NA and erbium-doped region can help reduce the pair-induced quenching effects and improve the efficiency.


Archive | 1998

Polarisation asymmetric active optical waveguide, method of its production, and its uses

Martin Kristensen; Jörg Hübner; Poul Varming; Milan Sejka; Bera Palsdottir


Electronics Letters | 1998

Polarisation control of DFB fibre laser using UV-induced birefringent phase-shift

Jacob Lundgreen Philipsen; M.O. Berendt; Poul Varming; Vibeke Claudia Lauridsen; Jørn Hedegaard Povlsen; Jörg Hübner; Martin Kristensen; Bera Palsdottir


Archive | 2001

Erbium doped fibers for extended L-band amplification

M. J. Andrejco; Inger Pihl Byriel; Bera Palsdottir


Electronics Letters | 1999

Observation of energy-distribution-dependent homogeneous upconversion in erbium-doped silica glass fibres

D. Bremberg; Sten Helmfrid; Bozena Jaskorzynska; Marcin Swillo; Jacob Lundgreen Philipsen; Bera Palsdottir


Archive | 2002

Erbium dotierte Fasern zur Verstärkung des erweiterten L- Band Bereichs Erbium-doped fibers for reinforcement of the extended L-band range

M. J. Andrejco; Inger Pihl Byriel; Bera Palsdottir


Archive | 2002

Erbium dotierte Fasern zur Verstärkung des erweiterten L- Band Bereichs

M. J. Andrejco; Inger Pihl Byriel; Bera Palsdottir


Archive | 2002

Erbium-doped fibers for amplifying the extended L-band range

M. J. Andrejco; Inger Pihl Byriel; Bera Palsdottir


conference on lasers and electro optics | 1998

Polarisation control of DFB fibre lasers

Poul Varming; Jacob Lundgreen Philipsen; Martin Ole Berendt; Vibeke Claudia Lauridsen; Jørn Hedegaard Povlsen; Jörg Hübner; Martin Kristensen; Bera Palsdottir

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Poul Varming

Technical University of Denmark

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Jörg Hübner

Technical University of Denmark

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Joerg Huebner

Technical University of Denmark

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Jørn Hedegaard Povlsen

Technical University of Denmark

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Vibeke Claudia Lauridsen

Technical University of Denmark

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