“Meta”-optical fibers: Integration of metaphotonics with fiber optics

Andrew Palmer; Andrew Lee; Stuart Love; Yucheng Jin; Ho Wai Howard Lee

doi:10.1117/12.3010810

9 March 2024 “Meta”-optical fibers: Integration of metaphotonics with fiber optics

Andrew Palmer, Andrew Lee, Stuart Love, Yucheng Jin, Ho Wai Howard Lee

Proceedings Volume PC12882, Optical Components and Materials XXI; PC128820B (2024) https://doi.org/10.1117/12.3010810
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Although optical fiber is efficient for transmitting light, its functionality is limited by the dielectric material of the core and nonlinear-optical responses and has a dielectric diffraction limit. Therefore, the optical properties of the optical fiber cannot be altered after the fiber drawing fabrication, thus limiting the development of novel in-fiber devices. In this talk, I will present our recent development of “Meta”-optical fiber, an advanced optical fiber integrated with emerging nanophotonic concepts such as optical metasurfaces, plasmonic nanowires, and zero-index photonics. I will present the development of ultrathin optical metalens which is cascaded on the facet of a photonic crystal fiber that enables light focusing. I will also discuss the first experimental demonstration of zero-index resonance excitation in an optical fiber coated with AZO nanolayer and the excitation of plasmonic resonances on holey optical fiber for advanced optical sensing and tip-enhanced Raman spectroscopy. These advanced “meta”-optical fibers open a pathway to revolutionary in-fiber lasers/spectroscopies, optical imaging/sensing, and optical communication devices.

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Andrew Palmer, Andrew Lee, Stuart Love, Yucheng Jin, and Ho Wai Howard Lee "“Meta”-optical fibers: Integration of metaphotonics with fiber optics", Proc. SPIE PC12882, Optical Components and Materials XXI, PC128820B (9 March 2024); https://doi.org/10.1117/12.3010810

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KEYWORDS

Optical fibers

Fiber optics

Dielectrics

Diffraction limit

Laser optics

Plasmonics

Photonic crystal fibers

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