Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum

Larissa Vertchenko; Clayton Devault; Radu Malureanu; Eric Mazur; Andrei V. Lavrinenko

doi:10.1109/Metamaterials54993.2022.9920924

Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum

Larissa Vertchenko, Clayton Devault, Radu Malureanu, Eric Mazur, Andrei V. Lavrinenko^*

^*Corresponding author for this work

Harvard University

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

Epsilon-near-zero (ENZ) materials have attracted attention for more than a decade. With a lot of advances in their functionalization it also has come an understanding that most of such natural materials exhibit high intrinsic losses at optical frequencies. Therefore, as an alternative, index-near-zero (INZ) materials are currently being investigated. The use of nanostructured dielectric materials with specific mode profiles, which effectively provides very small modal indices, is considered a potential solution. We report on such system, which has been designed, fabricated and characterized recently. Quasi-bound states in the continuum are involved to minimize the radiative losses of INZ modes.

Original language	English
Title of host publication	Proceedings of 16th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2022
Publisher	IEEE
Publication date	2022
Pages	X256-X258
ISBN (Print)	978-1-6654-6585-4
ISBN (Electronic)	978-1-6654-6584-7
DOIs	https://doi.org/10.1109/Metamaterials54993.2022.9920924
Publication status	Published - 2022
Event	16^th International Congress on Artificial Materials for Novel Wave Phenomena - University of Siena, Siena, Italy Duration: 12 Sept 2022 → 17 Sept 2022 Conference number: 16

Conference

Conference	16^th International Congress on Artificial Materials for Novel Wave Phenomena
Number	16
Location	University of Siena
Country/Territory	Italy
City	Siena
Period	12/09/2022 → 17/09/2022

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10.1109/Metamaterials54993.2022.9920924

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Vertchenko, L., Devault, C., Malureanu, R., Mazur, E., & Lavrinenko, A. V. (2022). Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum. In Proceedings of 16th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2022 (pp. X256-X258). IEEE. https://doi.org/10.1109/Metamaterials54993.2022.9920924

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title = "Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum",

abstract = "Epsilon-near-zero (ENZ) materials have attracted attention for more than a decade. With a lot of advances in their functionalization it also has come an understanding that most of such natural materials exhibit high intrinsic losses at optical frequencies. Therefore, as an alternative, index-near-zero (INZ) materials are currently being investigated. The use of nanostructured dielectric materials with specific mode profiles, which effectively provides very small modal indices, is considered a potential solution. We report on such system, which has been designed, fabricated and characterized recently. Quasi-bound states in the continuum are involved to minimize the radiative losses of INZ modes.",

author = "Larissa Vertchenko and Clayton Devault and Radu Malureanu and Eric Mazur and Lavrinenko, {Andrei V.}",

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Vertchenko, L, Devault, C, Malureanu, R, Mazur, E & Lavrinenko, AV 2022, Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum. in Proceedings of 16th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2022. IEEE, pp. X256-X258, 16^th International Congress on Artificial Materials for Novel Wave Phenomena, Siena, Italy, 12/09/2022. https://doi.org/10.1109/Metamaterials54993.2022.9920924

Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum. / Vertchenko, Larissa; Devault, Clayton; Malureanu, Radu et al.
Proceedings of 16th International Congress on Artificial Materials for Novel Wave Phenomena, Metamaterials 2022. IEEE, 2022. p. X256-X258.

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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T1 - Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum

AU - Vertchenko, Larissa

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AU - Malureanu, Radu

AU - Mazur, Eric

AU - Lavrinenko, Andrei V.

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N2 - Epsilon-near-zero (ENZ) materials have attracted attention for more than a decade. With a lot of advances in their functionalization it also has come an understanding that most of such natural materials exhibit high intrinsic losses at optical frequencies. Therefore, as an alternative, index-near-zero (INZ) materials are currently being investigated. The use of nanostructured dielectric materials with specific mode profiles, which effectively provides very small modal indices, is considered a potential solution. We report on such system, which has been designed, fabricated and characterized recently. Quasi-bound states in the continuum are involved to minimize the radiative losses of INZ modes.

AB - Epsilon-near-zero (ENZ) materials have attracted attention for more than a decade. With a lot of advances in their functionalization it also has come an understanding that most of such natural materials exhibit high intrinsic losses at optical frequencies. Therefore, as an alternative, index-near-zero (INZ) materials are currently being investigated. The use of nanostructured dielectric materials with specific mode profiles, which effectively provides very small modal indices, is considered a potential solution. We report on such system, which has been designed, fabricated and characterized recently. Quasi-bound states in the continuum are involved to minimize the radiative losses of INZ modes.

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DO - 10.1109/Metamaterials54993.2022.9920924

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T2 - 16<sup>th</sup> International Congress on Artificial Materials for Novel Wave Phenomena

Y2 - 12 September 2022 through 17 September 2022

ER -

Index-near-zero modes in Si photonic crystal supported by accidental bound states in the continuum

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