Dynamic “Meta”-optical fibers for in-fiber imaging

In this talk, I will review the various material platforms (metallic, dielectric, and compound structures) and geometric platforms which have been utilized in “meta”-optical fiber devices to date. I will present our recent development of “Meta”-optical fiber, an advanced optical fiber integrated with emerging metasurface concepts. I will present the development of ultrathin optical metalens which is cascaded on the facet of optical fiber that enables advanced optical functions such as light focusing. I will also discuss the ability to develop tunable meta-optical fiber for advanced beam steering and dynamic focusing, and their potential application for biomedical imaging. These advanced “meta”-optical fibers open a pathway to revolutionary in-fiber optical imaging/endoscopy, biomedical imaging, lasers/spectroscopies, and optical/quantum communication devices.