Optical waveguides in Nd:GdVO4 crystals fabricated by swift N3+ ion irradiation
Source abstract
Abstract
Abstract Optical planar waveguides have been manufactured in Nd:GdVO4 crystal by swift N3+ ions irradiation at fluence of 1.5 × 1014 ions/cm2. A typical “barrier”-style refractive index profile was formed and the light can be well confined in the waveguide region. The modal distribution of the guided modes obtained from numerical calculation has a good agreement with the experimental modal distribution. The measured photoluminescence spectra revealed that the fluorescence properties of the Nd3+ ions have been modified to some extent in the waveguide’s volume. The propagation loss of the planar waveguide can decrease to lower than 1 dB/cm after adequate annealing.
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Research context
OpenAlex topics: Solid State Laser Technologies · Photorefractive and Nonlinear Optics · Advanced Fiber Laser Technologies
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