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Application of low phonon-energy glasses for optical amplification at 1.3µm

Application of low phonon-energy glasses for optical amplification at 1.3µm
Application of low phonon-energy glasses for optical amplification at 1.3µm
We report on recent progress towards the application of both mixed cadmium halides and sulphide-based glasses as host materials for a Pr3+-doped 1.3 micron optical fiber amplifier. Both of these materials offer the potential for higher gains than can be currently achieved in a Pr3+-doped ZBLAN fiber. Fundamental glass properties, including optical and thermal characteristics, are compared. Losses of these glasses in fiber form have been estimated and spectroscopic measurements are summarized. From these studies we show that quantum efficiencies over an order of magnitude higher than those demonstrated with Pr3+-doped ZBLAN amplifiers are in principle obtainable. Measured efficiencies of 11% and 52% for the Cd halide and Ga sulphide, respectively, are achieved, while 25% and 80% are predicted. Numerical modelling allows comparison of the expected amplifier performance. Thermal analysis has identified the challenges which remain for the drawing of single mode fibers and the results of preliminary fiber drawing trials are described. The relative merits of each of the various glasses are considered and the challenges before a practical amplifier is achieved are outlined.
9780819413383
Hewak, Daniel W.
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Samson, Bryce N.
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Madeiros-Neto, J.A.
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Wang, Ji
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Jedrzejewski, Kazimierz P.
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Wylangowski, G.
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Taylor, Elizabeth R.
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Payne, David N.
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Naftaly, M.
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Jordery, S.
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Jha, Animesh
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Baro, M.D.
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Tarbox, Eleanor
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Maton, P.D.
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Roba, G.M.
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Kinsman, Barry E.
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Hanney, R.
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Hewak, Daniel W.
87c80070-c101-4f7a-914f-4cc3131e3db0
Samson, Bryce N.
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Madeiros-Neto, J.A.
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Wang, Ji
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Jedrzejewski, Kazimierz P.
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Wylangowski, G.
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Taylor, Elizabeth R.
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Payne, David N.
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Naftaly, M.
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Jordery, S.
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Jha, Animesh
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Baro, M.D.
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Tarbox, Eleanor
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Maton, P.D.
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Roba, G.M.
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Kinsman, Barry E.
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Hanney, R.
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Hewak, Daniel W., Samson, Bryce N., Madeiros-Neto, J.A., Wang, Ji, Jedrzejewski, Kazimierz P., Wylangowski, G., Taylor, Elizabeth R., Payne, David N., Naftaly, M., Jordery, S., Jha, Animesh, Baro, M.D., Tarbox, Eleanor, Maton, P.D., Roba, G.M., Kinsman, Barry E. and Hanney, R. (1993) Application of low phonon-energy glasses for optical amplification at 1.3µm. SPIE 2073 : Conference on Fibre Laser Sources and Amplifiers V, United States. 07 - 10 Sep 1993. (doi:10.1117/12.168597).

Record type: Conference or Workshop Item (Paper)

Abstract

We report on recent progress towards the application of both mixed cadmium halides and sulphide-based glasses as host materials for a Pr3+-doped 1.3 micron optical fiber amplifier. Both of these materials offer the potential for higher gains than can be currently achieved in a Pr3+-doped ZBLAN fiber. Fundamental glass properties, including optical and thermal characteristics, are compared. Losses of these glasses in fiber form have been estimated and spectroscopic measurements are summarized. From these studies we show that quantum efficiencies over an order of magnitude higher than those demonstrated with Pr3+-doped ZBLAN amplifiers are in principle obtainable. Measured efficiencies of 11% and 52% for the Cd halide and Ga sulphide, respectively, are achieved, while 25% and 80% are predicted. Numerical modelling allows comparison of the expected amplifier performance. Thermal analysis has identified the challenges which remain for the drawing of single mode fibers and the results of preliminary fiber drawing trials are described. The relative merits of each of the various glasses are considered and the challenges before a practical amplifier is achieved are outlined.

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e-pub ahead of print date: 1993
Venue - Dates: SPIE 2073 : Conference on Fibre Laser Sources and Amplifiers V, United States, 1993-09-07 - 1993-09-10

Identifiers

Local EPrints ID: 77239
URI: https://eprints.soton.ac.uk/id/eprint/77239
ISBN: 9780819413383
PURE UUID: da22c7ab-fa93-490f-bda1-5227659fd1d4
ORCID for Daniel W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773

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Date deposited: 11 Mar 2010
Last modified: 06 Jun 2018 13:08

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Contributors

Author: Daniel W. Hewak ORCID iD
Author: Bryce N. Samson
Author: J.A. Madeiros-Neto
Author: Ji Wang
Author: Kazimierz P. Jedrzejewski
Author: G. Wylangowski
Author: Elizabeth R. Taylor
Author: David N. Payne
Author: M. Naftaly
Author: S. Jordery
Author: Animesh Jha
Author: M.D. Baro
Author: Eleanor Tarbox
Author: P.D. Maton
Author: G.M. Roba
Author: Barry E. Kinsman
Author: R. Hanney

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