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Expanding photonic palette: exploring high index materials
preprintposted on 2023-01-12, 14:35 authored by Jacob B Khurgin
While the photonic community is being occupied with exotic concepts portending a grand future and fame if not a fortune, I respectfully entertain the possibility that a humble concept of simply increasing refractive index by a modest factor may have a far greater payoff in many walks of life. With that in mind, I explore why higher index materials have not yet materialized, and point out a few tentative directions for the search of these elusive materials, be they natural or artificial.