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Title: Controlling the sign of chromatic dispersion in diffractive optics with dielectric metasurfaces

Journal Article · · Optica
 [1];  [2];  [1];  [1];  [1]
  1. California Inst. of Technology (CalTech), Pasadena, CA (United States). T. J. Watson Lab. of Applied Physics
  2. California Inst. of Technology (CalTech), Pasadena, CA (United States). T. J. Watson Lab. of Applied Physics; Univ. of Massachusetts, Amherst, MA (United States). Dept. of Electrical and Computer Engineering

Diffraction gratings disperse light in a rainbow of colors with the opposite order than refractive prisms, a phenomenon known as negative dispersion. While refractive dispersion can be controlled via material refractive index, diffractive dispersion is fundamentally an interference effect dictated by geometry. Here we show that this fundamental property can be altered using dielectric metasurfaces, and we experimentally demonstrate diffractive gratings and focusing mirrors with positive, zero, and hyper-negative dispersion. These optical elements are implemented using a reflective metasurface composed of dielectric nano-posts that provide simultaneous control over phase and its wavelength derivative. In addition, as a first practical application, we demonstrate a focusing mirror that exhibits a five-fold reduction in chromatic dispersion, and thus an almost three-times increase in operation bandwidth compared with a regular diffractive element. This concept challenges the generally accepted dispersive properties of diffractive optical devices and extends their applications and functionalities.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Light-Material Interactions in Energy Conversion (LMI); California Institute of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Defense Advanced Research Projects Agency (DARPA) (United States)
Grant/Contract Number:
SC0001293; 1512266
OSTI ID:
1467089
Journal Information:
Optica, Vol. 4, Issue 6; ISSN 2334-2536
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 218 works
Citation information provided by
Web of Science

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Chromatic Dispersion Manipulation Based on Metalenses journal December 2019
Integrated Resonant Unit of Metasurfaces for Broadband Efficiency and Phase Manipulation journal April 2018
Phase Manipulation of Electromagnetic Waves with Metasurfaces and Its Applications in Nanophotonics journal May 2018
Metalenses: Advances and Applications journal July 2018
Multifunctional Metasurfaces Based on Direct Nanoimprint of Titania Sol–Gel Coatings journal March 2019
No‐Interference Reading for Optical Information Storage and Ultra‐Multiple Anti‐Counterfeiting Applications by Designing Targeted Recombination in Charge Carrier Trapping Phosphors journal February 2019
Thermally Dependent Dynamic Meta‐Holography Using a Vanadium Dioxide Integrated Metasurface journal April 2019
Superoscillation: from physics to optical applications journal June 2019
A broadband achromatic metalens array for integral imaging in the visible journal July 2019
Dielectric metasurfaces for complete and independent control of the optical amplitude and phase journal October 2019
Spectral tomographic imaging with aplanatic metalens journal November 2019
Design of task-specific optical systems using broadband diffractive neural networks journal December 2019
MEMS-tunable dielectric metasurface lens journal February 2018
Compact folded metasurface spectrometer journal October 2018
A broadband achromatic polarization-insensitive metalens consisting of anisotropic nanostructures journal January 2019
On-chip wavefront shaping with dielectric metasurface journal August 2019
A broadband achromatic metalens for focusing and imaging in the visible journal January 2018
A broadband achromatic metalens in the visible journal January 2018
Single-shot quantitative phase gradient microscopy using a system of multifunctional metasurfaces journal October 2019
High efficiency focusing vortex generation and detection with polarization-insensitive dielectric metasurfaces journal January 2018
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High-efficiency V-shaped phase gratings to suppress high order diffractions journal January 2019
A high numerical aperture, polarization-insensitive metalens for long-wavelength infrared imaging journal November 2018
Metasurface-generated complex 3-dimensional optical fields for interference lithography journal October 2019
Optimization-free approach for broadband achromatic metalens of high-numerical-aperture with high-index dielectric metasurface journal October 2019
Structuring visible light with dielectric metasurfaces journal October 2018
Broadband Achromatic Metalens in the Midinfrared Range journal February 2019
Metasurface optics for full-color computational imaging journal February 2018
Advances in optical metasurfaces: fabrication and applications [Invited] journal January 2018
Reconfigurable all-dielectric antenna-based metasurface driven by multipolar resonances journal January 2018
Plasmonic nanoantenna-dielectric nanocavity hybrids for ultrahigh local electric field enhancement journal January 2018
Reconfigurable step-zoom metalens without optical and mechanical compensations journal January 2019
Multi-wavelength voltage-coded metasurface based on indium tin oxide: independently and dynamically controllable near-infrared multi-channels journal January 2020
Toggling between active and passive imaging with an omni-resonant micro-cavity journal January 2019
Optimization and uncertainty quantification of gradient index metasurfaces [Invited] journal January 2019
Computational complex optical field imaging using a designed metasurface diffuser journal January 2018
Dynamic 2D implementation of 3D diffractive optics journal January 2018
Direct polarization measurement using a multiplexed Pancharatnam–Berry metahologram journal January 2019
High performance metalenses: numerical aperture, aberrations, chromaticity, and trade-offs journal January 2019
Design of a broadband achromatic dielectric metalens for linear polarization in the near-infrared spectrum journal January 2018
Coherent couplings between magnetic dipole transitions of quantum emitters and dielectric nanostructures journal January 2019
Neuromorphic metasurface journal December 2019
Dimerized high contrast gratings journal June 2018
A review of dielectric optical metasurfaces for wavefront control journal June 2018
Thermal tuning capabilities of semiconductor metasurface resonators journal November 2018
Near-IR wide-field-of-view Huygens metalens for outdoor imaging applications journal February 2020
Actively Tunable Metalens Array Based on Patterned Phase Change Materials journal November 2019
Metalens-Based Miniaturized Optical Systems journal May 2019
Spin-Selected Dual-Wavelength Plasmonic Metalenses journal May 2019
A broadband achromatic metalens array for integral imaging in the visible conference January 2019
MEMS-tunable dielectric metasurface lens conference January 2018
Thermal tuning capabilities of semiconductor metasurface resonators preprint January 2018
Design of Task-Specific Optical Systems Using Broadband Diffractive Neural Networks text January 2019
Neuromorphic Metasurface preprint January 2019