Ytterbium-implanted photonic resonators based on thin film lithium niobate

We introduce our design, simulation, and fabrication for cm-long waveguides and micro-ring resonators based on fully-etched thin-film lithium niobate on insulator (LNOI) incorporated with rare earth ions. We implant ytterbium ions (Yb 3 +) into the crystalline host and study their optical properties...

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Bibliographic Details
Published in:Journal of applied physics 2020-08, Vol.128 (8)
Main Authors: Pak, Dongmin, An, Haechan, Nandi, Arindam, Jiang, Xiaodong, Xuan, Yi, Hosseini, Mahdi
Format: Article
Language:English
Subjects:
Applied physics
Crystal structure
Crystallinity
Lithium niobates
Metal ions
Optical properties
Photoluminescence
Photonic crystals
Q factors
Resonators
Thin films
Waveguides
Ytterbium
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Summary:We introduce our design, simulation, and fabrication for cm-long waveguides and micro-ring resonators based on fully-etched thin-film lithium niobate on insulator (LNOI) incorporated with rare earth ions. We implant ytterbium ions (Yb 3 +) into the crystalline host and study their optical properties at 4 K temperature. We measure an intrinsic optical quality factor of higher than 2 × 10 6 after postimplantation annealing. We characterize the photoluminescence spectrum, lifetime, and absorption of Yb 3 + ions. Incorporation of rare earth ions into LNOI as a crystalline and nonlinear photonic element may enable the development of multi-functional quantum photonic devices capable of generating, transducing, manipulating, and storing of quantum optical information.
ISSN:0021-8979
1089-7550
DOI:10.1063/5.0016164