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17 March 2023 Combining bulk resonators and integrated silicon photonics based on metamaterial engineering
Daniele Farnesi, Stefano Pelli, Silvia Soria, Gualtiero Nonzi Conti, Xavier Le Roux, Miguel Montesinos Ballester, Laurent Vivien, Pavel Cheben, Carlos Alonso Ramos
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Proceedings Volume PC12407, Laser Resonators, Microresonators, and Beam Control XXV; PC1240704 (2023) https://doi.org/10.1117/12.2654637
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
Bulk whispering gallery mode optical resonators like spheres and disks provide a wide range of remarkable optical properties and ultra-high quality factors. In this invited presentation we will show our most recent results on the use of subwavelength metamaterial engineering to couple bulk resonators and integrated Si waveguides. We experimentally achieve up to 99% light coupling efficiency for microspheres and microdisks made of silica, lithium niobate, and calcium fluoride, with diameters between 300 µm and 3.6 mm. These results open promising prospects for the implementation of a new generation of devices combining high-performance bulk resonators and complex Si photonic circuits.
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Daniele Farnesi, Stefano Pelli, Silvia Soria, Gualtiero Nonzi Conti, Xavier Le Roux, Miguel Montesinos Ballester, Laurent Vivien, Pavel Cheben, and Carlos Alonso Ramos "Combining bulk resonators and integrated silicon photonics based on metamaterial engineering", Proc. SPIE PC12407, Laser Resonators, Microresonators, and Beam Control XXV, PC1240704 (17 March 2023); https://doi.org/10.1117/12.2654637
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KEYWORDS
Resonators
Metamaterials
Silicon photonics
Optical fibers
Photonics
Reliability
Signal generators
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