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Optical coherence and energy-level properties of a Tm³⁺-doped LiNbO₃ waveguide at subkelvin temperatures

Sinclair, Neil and Oblak, Daniel and Saglamyurek, Erhan and Cone, Rufus L. and Thiel, Charles W. and Tittel, Wolfgang (2021) Optical coherence and energy-level properties of a Tm³⁺-doped LiNbO₃ waveguide at subkelvin temperatures. Physical Review B, 103 (13). Art. No. 134105. ISSN 2469-9950. doi:10.1103/physrevb.103.134105. https://resolver.caltech.edu/CaltechAUTHORS:20210421-094225884

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Abstract

We characterize the optical coherence and energy-level properties of the 795-nm ³H₆ to ³H₄ transition of Tm³⁺ in a Ti⁴⁺:LiNbO₃ waveguide at temperatures as low as 0.65 K. Coherence properties are measured with varied temperature, magnetic field, optical excitation power and wavelength, and measurement timescale. We also investigate nuclear spin-induced hyperfine structure and population dynamics with varying magnetic field and laser excitation power. Except for accountable differences due to different Ti⁴⁺- and Tm³⁺-doping concentrations, we find that the properties of Tm³⁺:Ti⁴⁺:LiNbO₃ produced by indiffusion doping are consistent with those of a bulk-doped Tm³⁺:LiNbO₃ crystal measured under similar conditions. Our results, which complement previous work in a narrower parameter space, support using rare-earth ions for integrated optical and quantum signal processing.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/physrevb.103.134105DOIArticle
https://arxiv.org/abs/2101.08863arXivDiscussion Paper
Alternate Title:Optical coherence and energy-level properties of a Tm3+-doped LiNbO3 waveguide at subkelvin temperatures
Additional Information:© 2021 American Physical Society. Received 21 January 2021; revised 24 March 2021; accepted 24 March 2021; published 12 April 2021. We thank M. George, R. Ricken and W. Sohler for fabricating the waveguide, and to M. Hedges, H. Mallahzadeh, T. Lutz, L. Veissier, C. Deshmukh, and M. Falamarzi Askarani for discussions. We acknowledge funding through the Natural Sciences and Engineering Research Council of Canada (NSERC), Alberta Ministry for Jobs, Economy and Innovation's Major Innovation Fund on Quantum Technology, Alberta Innovates Technology Futures (AITF) research program, Defense Advanced Research Projects Agency (DARPA) Quiness program (Contract No. W31P4Q-13-1-0004), National Science Foundation (NSF) under Awards No. PHY-1415628 and No. CHE-1416454, NSF Science and Technology Center for Integrated Quantum Materials under Cooperative Agreement No. DMR-1231319, Department of Energy/High Energy Physics QuantISED program grant, QCCFP (Quantum Communication Channels for Fundamental Physics), Award No. DE-SC0019219, AQT Intelligent Quantum Networks and Technologies (INQNET) research program, and the Dutch Research Council (NWO).
Group:INQNET
Funders:
Funding AgencyGrant Number
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Alberta Ministry for Jobs, Economy and InnovationUNSPECIFIED
Alberta Innovates Technology FuturesUNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)W31P4Q-13-1-0004
NSFPHY-1415628
NSFCHE-1416454
NSFDMR-1231319
Department of Energy (DOE)DE-SC0019219
AQT Intelligent Quantum Networks and Technologies (INQNET)UNSPECIFIED
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
Issue or Number:13
DOI:10.1103/physrevb.103.134105
Record Number:CaltechAUTHORS:20210421-094225884
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210421-094225884
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:108781
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:21 Apr 2021 21:03
Last Modified:21 Apr 2021 21:03

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