Journal
APPLIED OPTICS
Volume 58, Issue 7, Pages 1757-1762Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.58.001757
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Funding
- Collegium SMYLE
- LabexACTION program [ANR-11-LABX-01-01]
- French RENATECH network and its FEMTO-ST technological facility
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Lithium niobate (LN)-based devices are widely used in integrated and nonlinear optics. This material is robust and resistive to high temperatures, which makes the LN-based devices stable, but challenging to fabricate. In this work, we report on the design, manufacturing, and characterization of engineered dielectric media with thin-film LN (TFLN) on top for the coupling and propagation of electromagnetic surface waves at telecommunication wavelengths. The designed one-dimensional photonic crystal (1DPhC) sustains Bloch surface waves (BSWs) at the multilayer-air interface at 1550 nm wavelength with a propagation detected over a distance of 3 mm. The working wavelength and improved BSW propagation parameters open the way for exploration of nonlinear properties of BSW-based devices. It is also expected that these novel devices potentially would be able to modify BSW propagation and coupling by external thermal-electrical stimuli due to the improved quality of the TFLN top layer of 1DPhC. (C) 2019 Optical Society of America
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