AIP Publishing
Applied Physics Letters
,  volume 124 ,  issue 4

Color center in β -Ga2O3 emitting at the telecom range

Publication type: Journal Article
Publication date: 2024-01-22
AIP Publishing
scimago Q1
wos Q2
SJR: 0.896
CiteScore: 6.1
Impact factor: 3.6
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract

Transition metal (TM) ions incorporated into a host from a wide bandgap semiconductor are recognized as a promising system for quantum technologies with enormous potential. In this work, we report on a TM color center in β-Ga2O3 with physical properties attractive for quantum information applications. The center is found to emit at 1.316 μm and exhibits weak coupling to phonons, with optically addressable higher-lying excited states, beneficial for single-photon emission within the telecom range (O-band). Using magneto-photoluminescence (PL) complemented by time-resolved PL measurements, we identify the monitored emission to be internal 1E→3A2 spin-forbidden transitions of a 3d8 TM ion with a spin-triplet ground state—a possible candidate for a spin qubit. We tentatively attribute this color center to a complex involving a sixfold coordinated Cu3+ ion.

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GOST Copy
Stehr J. et al. Color center in β -Ga2O3 emitting at the telecom range // Applied Physics Letters. 2024. Vol. 124. No. 4.
GOST all authors (up to 50) Copy
Stehr J., Jansson M., Pearton S. J., McCloy J. S., Jesenovec J., Dutton B., McCluskey M., Chen W., Buyanova I. A. Color center in β -Ga2O3 emitting at the telecom range // Applied Physics Letters. 2024. Vol. 124. No. 4.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1063/5.0179921
UR - https://doi.org/10.1063/5.0179921
TI - Color center in β -Ga2O3 emitting at the telecom range
T2 - Applied Physics Letters
AU - Stehr, J. E.
AU - Jansson, Mattias
AU - Pearton, Stephen J.
AU - McCloy, John S.
AU - Jesenovec, Jani
AU - Dutton, Benjamin
AU - McCluskey, M.D.
AU - Chen, Weimin
AU - Buyanova, Irina A
PY - 2024
DA - 2024/01/22
PB - AIP Publishing
IS - 4
VL - 124
SN - 0003-6951
SN - 1077-3118
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2024_Stehr,
author = {J. E. Stehr and Mattias Jansson and Stephen J. Pearton and John S. McCloy and Jani Jesenovec and Benjamin Dutton and M.D. McCluskey and Weimin Chen and Irina A Buyanova},
title = {Color center in β -Ga2O3 emitting at the telecom range},
journal = {Applied Physics Letters},
year = {2024},
volume = {124},
publisher = {AIP Publishing},
month = {jan},
url = {https://doi.org/10.1063/5.0179921},
number = {4},
doi = {10.1063/5.0179921}
}