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- Title
Mode Transformation in Hybrid Waveguides Based on Lithium Niobate for Efficient Coupling to a Standard Single Mode Fiber.
- Authors
Parfenov, M. V.; Agruzov, P. M.; Ilichev, I. V.; Usikova, A. A.; Shamrai, A. V.
- Abstract
Topology of a hybrid waveguide device, which performs an effective transformation of a standard gradient titanium in-diffused waveguide mode to a hybrid waveguide mode, is considered. With its help a rather large optical mode with size optimal for coupling with standard single-mode fibers can be converted to a mode with a smaller size. Two the most perspective materials for hybrid waveguide fabrication were considered: silicon and titanium dioxide. The theoretical analysis has shown that transformation efficiency of more than 99% is achievable for waveguide devices based on titanium dioxide with contact lithography resolution.
- Subjects
WAVEGUIDES; TITANIUM dioxide; SINGLE-mode optical fibers; SILICA; LITHIUM niobate; FIBERS; INTEGRATED optics
- Publication
Technical Physics, 2023, Vol 68, Issue 11, p443
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/S1063784223900334