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Color center in ß-G...
Color center in ß-Ga2O3 emitting at the telecom range
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- Stehr, Jan Eric (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Jansson, Mattias (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Pearton, S. J. (author)
- Univ Florida, FL 32611 USA
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- McCloy, J. S. (author)
- Washington State Univ, WA 99164 USA
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- Jesenovec, J. (author)
- Washington State Univ, WA 99164 USA
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- Dutton, B. L. (author)
- Washington State Univ, WA 99164 USA
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- McCluskey, M. D. (author)
- Washington State Univ, WA 99164 USA
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- Chen, Weimin (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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- Buyanova, Irina (author)
- Linköpings universitet,Elektroniska och fotoniska material,Tekniska fakulteten
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(creator_code:org_t)
- AIP Publishing, 2024
- 2024
- English.
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In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 124:4
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- 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 beta-Ga2O3 with physical properties attractive for quantum information applications. The center is found to emit at 1.316 mu m 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 E-1 ->(3)A(2) spin-forbidden transitions of a 3d(8) 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.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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