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Triple-wavelength lasing at 1.50 µm, 1.84 µm and 2.08 µm in a Ho3+/Tm3+ co-doped fluorozirconate glass microsphere

Triple-wavelength lasing at 1.50 µm, 1.84 µm and 2.08 µm in a Ho3+/Tm3+ co-doped fluorozirconate glass microsphere
Triple-wavelength lasing at 1.50 µm, 1.84 µm and 2.08 µm in a Ho3+/Tm3+ co-doped fluorozirconate glass microsphere
Simultaneous 1.50 µm, 1.84 µm and 2.08 µm laser emission is observed in a Ho3+/Tm3+ co-doped ZrF4–BaF2–YF3–AlF3 (ZBYA) fluoride glass microsphere when pumped using a 793 nm laser diode. The ZBYA fluoride glass microsphere was prepared using a CO2 laser heating method and whispering-gallery modes (WGM) were excited when the pump light was coupled using a tapered fiber. The introduction of Ho3+ ions reduced the population of the long-lived Tm3+:3F4 level and removed the 3H4 - 3F4 self-termination effect, resulting in the population of the Ho3+:5I7 level through a resonant energy transfer process. As the 793 nm laser pump power grows, lasing occurs initially at 2.08 µm, followed by the cascade outputs at 1.50 µm and 1.84 µm.
0022-2313
Zhao, H.
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Yi, Y.
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Wang, X.
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Li, A.
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Yang, A.
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Yang, Z.
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Fan, Y.
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Jia, S.
4263528f-7edf-42ab-9a35-22a5010ec52d
Lewis, E.
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Brambilla, G.
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Wang, S.
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Wang, P.
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Zhao, H.
961554b7-dbf0-45ac-92ae-f4c7750a0bb7
Yi, Y.
ac0ee484-46e7-4325-b38f-4c96c9fb5a21
Wang, X.
6d6fe9e4-c36f-41c5-996d-7956bde723e5
Li, A.
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Yang, A.
f3a815dc-c07a-4578-af59-460b6a44b0c3
Yang, Z.
c21f1728-aca4-4574-894f-1992c429a421
Fan, Y.
e1aafe27-b0bd-4f90-8914-dc658d8a537d
Jia, S.
4263528f-7edf-42ab-9a35-22a5010ec52d
Lewis, E.
385fc85a-0a5b-481c-a55b-bf40d5746f4f
Brambilla, G.
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Wang, S.
a0eea4e6-5714-42db-8701-f0ce3b1ffd3b
Wang, P.
9ff9af32-c1d3-4051-82e3-378d7695fd0a

Zhao, H., Yi, Y., Wang, X., Li, A., Yang, A., Yang, Z., Fan, Y., Jia, S., Lewis, E., Brambilla, G., Wang, S. and Wang, P. (2020) Triple-wavelength lasing at 1.50 µm, 1.84 µm and 2.08 µm in a Ho3+/Tm3+ co-doped fluorozirconate glass microsphere. Journal of Luminescence, 219, [116889]. (doi:10.1016/j.jlumin.2019.116889).

Record type: Article

Abstract

Simultaneous 1.50 µm, 1.84 µm and 2.08 µm laser emission is observed in a Ho3+/Tm3+ co-doped ZrF4–BaF2–YF3–AlF3 (ZBYA) fluoride glass microsphere when pumped using a 793 nm laser diode. The ZBYA fluoride glass microsphere was prepared using a CO2 laser heating method and whispering-gallery modes (WGM) were excited when the pump light was coupled using a tapered fiber. The introduction of Ho3+ ions reduced the population of the long-lived Tm3+:3F4 level and removed the 3H4 - 3F4 self-termination effect, resulting in the population of the Ho3+:5I7 level through a resonant energy transfer process. As the 793 nm laser pump power grows, lasing occurs initially at 2.08 µm, followed by the cascade outputs at 1.50 µm and 1.84 µm.

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More information

Accepted/In Press date: 8 November 2019
e-pub ahead of print date: 11 November 2019
Published date: March 2020

Identifiers

Local EPrints ID: 442057
URI: http://eprints.soton.ac.uk/id/eprint/442057
ISSN: 0022-2313
PURE UUID: 208b8ec6-288a-4e47-a66f-69150b29619f
ORCID for G. Brambilla: ORCID iD orcid.org/0000-0002-5730-0499

Catalogue record

Date deposited: 06 Jul 2020 16:31
Last modified: 28 Apr 2022 01:48

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Contributors

Author: H. Zhao
Author: Y. Yi
Author: X. Wang
Author: A. Li
Author: A. Yang
Author: Z. Yang
Author: Y. Fan
Author: S. Jia
Author: E. Lewis
Author: G. Brambilla ORCID iD
Author: S. Wang
Author: P. Wang

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