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Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser

M. A. Khamis, R. Sevilla, K. Ennser, Karin Ennser, Rubén Sevilla Orcid Logo

IEEE Photonics Technology Letters, Volume: 30, Issue: 9, Pages: 825 - 828

Swansea University Authors: Karin Ennser, Rubén Sevilla Orcid Logo

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DOI (Published version): 10.1109/LPT.2018.2818333

Abstract

We propose a novel design of a photonic crystal fiber made of praseodymium (Pr3+)-doped chalcogenide glass with single mode operation beyond 4 μm . Our design has an enlarged Pr3+-doped core diameter of 60 μm . The field area of the emitted fundamental mode is about 3160 μm2 at 4.5 μm and 2050 μm2 a...

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Published in: IEEE Photonics Technology Letters
ISSN: 1041-1135 1941-0174
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa39150
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first_indexed 2018-03-22T20:12:49Z
last_indexed 2018-05-14T19:26:26Z
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spelling 2018-05-14T14:38:32.1400734 v2 39150 2018-03-22 Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser 0aa21e9e51bfb74793881e5780d29ae8 Karin Ennser Karin Ennser true false b542c87f1b891262844e95a682f045b6 0000-0002-0061-6214 Rubén Sevilla Rubén Sevilla true false 2018-03-22 EEEG We propose a novel design of a photonic crystal fiber made of praseodymium (Pr3+)-doped chalcogenide glass with single mode operation beyond 4 μm . Our design has an enlarged Pr3+-doped core diameter of 60 μm . The field area of the emitted fundamental mode is about 3160 μm2 at 4.5 μm and 2050 μm2 at a pump wavelength of 2.04 μm . This large mode field area not only reduces the nonlinear effects but also increases the possible pump power before the damage threshold. The selected laser layout avoids fabrication difficulties associated with cascaded fiber Bragg gratings in Pr3+-doped chalcogenide glass fibers. The proposed design also increases the laser efficiency by using the overlap of the emission cross sections of Pr3+ in the transitions (3F2, 3H6 → 3H5 and 3H5 → 3H4) to enable both transitions to simultaneously produce a single coherent mid-infrared wavelength. The simulation results reveal that more than 64% of slope efficiency could be achieved at 4.5 μm for a fiber loss of 1 dB/m. Journal Article IEEE Photonics Technology Letters 30 9 825 828 1041-1135 1941-0174 31 12 2018 2018-12-31 10.1109/LPT.2018.2818333 COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University 2018-05-14T14:38:32.1400734 2018-03-22T13:59:58.7978364 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering M. A. Khamis 1 R. Sevilla 2 K. Ennser 3 Karin Ennser 4 Rubén Sevilla 0000-0002-0061-6214 5 0039150-22032018140825.pdf khamis2018(2)v2.pdf 2018-03-22T14:08:25.3500000 Output 900995 application/pdf Accepted Manuscript true 2018-03-22T00:00:00.0000000 true eng
title Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser
spellingShingle Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser
Karin Ennser
Rubén Sevilla
title_short Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser
title_full Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser
title_fullStr Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser
title_full_unstemmed Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser
title_sort Large Mode Area Pr3+-Doped Chalcogenide PCF Design for High Efficiency Mid-IR Laser
author_id_str_mv 0aa21e9e51bfb74793881e5780d29ae8
b542c87f1b891262844e95a682f045b6
author_id_fullname_str_mv 0aa21e9e51bfb74793881e5780d29ae8_***_Karin Ennser
b542c87f1b891262844e95a682f045b6_***_Rubén Sevilla
author Karin Ennser
Rubén Sevilla
author2 M. A. Khamis
R. Sevilla
K. Ennser
Karin Ennser
Rubén Sevilla
format Journal article
container_title IEEE Photonics Technology Letters
container_volume 30
container_issue 9
container_start_page 825
publishDate 2018
institution Swansea University
issn 1041-1135
1941-0174
doi_str_mv 10.1109/LPT.2018.2818333
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description We propose a novel design of a photonic crystal fiber made of praseodymium (Pr3+)-doped chalcogenide glass with single mode operation beyond 4 μm . Our design has an enlarged Pr3+-doped core diameter of 60 μm . The field area of the emitted fundamental mode is about 3160 μm2 at 4.5 μm and 2050 μm2 at a pump wavelength of 2.04 μm . This large mode field area not only reduces the nonlinear effects but also increases the possible pump power before the damage threshold. The selected laser layout avoids fabrication difficulties associated with cascaded fiber Bragg gratings in Pr3+-doped chalcogenide glass fibers. The proposed design also increases the laser efficiency by using the overlap of the emission cross sections of Pr3+ in the transitions (3F2, 3H6 → 3H5 and 3H5 → 3H4) to enable both transitions to simultaneously produce a single coherent mid-infrared wavelength. The simulation results reveal that more than 64% of slope efficiency could be achieved at 4.5 μm for a fiber loss of 1 dB/m.
published_date 2018-12-31T03:49:42Z
_version_ 1763752418894413824
score 11.037056

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