Versatile Polarization Generation with an Aluminum Plasmonic Metasurface

Pin-Chieh Wu, Wei Yi Tsai, Wei Ting Chen, Yao Wei Huang, Ting Yu Chen, Jia Wern Chen, Chun Yen Liao, Cheng Hung Chu, Greg Sun, Din Ping Tsai

Research output: Contribution to journalLetter

127 Citations (Scopus)

Abstract

All forms of light manipulation rely on light-matter interaction, the primary mechanism of which is the modulation of its electromagnetic fields by the localized electromagnetic fields of atoms. One of the important factors that influence the strength of interaction is the polarization of the electromagnetic field. The generation and manipulation of light polarization have been traditionally accomplished with bulky optical components such as waveplates, polarizers, and polarization beam splitters that are optically thick. The miniaturization of these devices is highly desirable for the development of a new class of compact, flat, and broadband optical components that can be integrated together on a single photonics chip. Here we demonstrate, for the first time, a reflective metasurface polarization generator (MPG) capable of producing light beams of any polarizations all from a linearly polarized light source with a single optically thin chip. Six polarization light beams are achieved simultaneously including four linear polarizations along different directions and two circular polarizations, all conveniently separated into different reflection angles. With the Pancharatnam-Berry phase-modulation method, the MPG sample was fabricated with aluminum as the plasmonic metal instead of the conventional gold or silver, which allowed for its broadband operation covering the entire visible spectrum. The versatility and compactness of the MPG capable of transforming any incident wave into light beams of arbitrary polarizations over a broad spectral range are an important step forward in achieving a complete set of flat optics for integrated photonics with far-reaching applications.

Original languageEnglish
Pages (from-to)445-452
Number of pages8
JournalNano letters
Volume17
Issue number1
DOIs
Publication statusPublished - 2017 Jan 11

Fingerprint

Aluminum
Polarization
aluminum
polarization
Light polarization
Electromagnetic fields
light beams
electromagnetic fields
generators
Photonics
manipulators
chips
photonics
broadband
Circular polarization
Phase modulation
Silver
miniaturization
Gold
void ratio

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

Wu, P-C., Tsai, W. Y., Chen, W. T., Huang, Y. W., Chen, T. Y., Chen, J. W., ... Tsai, D. P. (2017). Versatile Polarization Generation with an Aluminum Plasmonic Metasurface. Nano letters, 17(1), 445-452. https://doi.org/10.1021/acs.nanolett.6b04446
Wu, Pin-Chieh ; Tsai, Wei Yi ; Chen, Wei Ting ; Huang, Yao Wei ; Chen, Ting Yu ; Chen, Jia Wern ; Liao, Chun Yen ; Chu, Cheng Hung ; Sun, Greg ; Tsai, Din Ping. / Versatile Polarization Generation with an Aluminum Plasmonic Metasurface. In: Nano letters. 2017 ; Vol. 17, No. 1. pp. 445-452.
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Wu, P-C, Tsai, WY, Chen, WT, Huang, YW, Chen, TY, Chen, JW, Liao, CY, Chu, CH, Sun, G & Tsai, DP 2017, 'Versatile Polarization Generation with an Aluminum Plasmonic Metasurface', Nano letters, vol. 17, no. 1, pp. 445-452. https://doi.org/10.1021/acs.nanolett.6b04446

Versatile Polarization Generation with an Aluminum Plasmonic Metasurface. / Wu, Pin-Chieh; Tsai, Wei Yi; Chen, Wei Ting; Huang, Yao Wei; Chen, Ting Yu; Chen, Jia Wern; Liao, Chun Yen; Chu, Cheng Hung; Sun, Greg; Tsai, Din Ping.

In: Nano letters, Vol. 17, No. 1, 11.01.2017, p. 445-452.

Research output: Contribution to journalLetter

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AU - Wu, Pin-Chieh

AU - Tsai, Wei Yi

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AU - Huang, Yao Wei

AU - Chen, Ting Yu

AU - Chen, Jia Wern

AU - Liao, Chun Yen

AU - Chu, Cheng Hung

AU - Sun, Greg

AU - Tsai, Din Ping

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N2 - All forms of light manipulation rely on light-matter interaction, the primary mechanism of which is the modulation of its electromagnetic fields by the localized electromagnetic fields of atoms. One of the important factors that influence the strength of interaction is the polarization of the electromagnetic field. The generation and manipulation of light polarization have been traditionally accomplished with bulky optical components such as waveplates, polarizers, and polarization beam splitters that are optically thick. The miniaturization of these devices is highly desirable for the development of a new class of compact, flat, and broadband optical components that can be integrated together on a single photonics chip. Here we demonstrate, for the first time, a reflective metasurface polarization generator (MPG) capable of producing light beams of any polarizations all from a linearly polarized light source with a single optically thin chip. Six polarization light beams are achieved simultaneously including four linear polarizations along different directions and two circular polarizations, all conveniently separated into different reflection angles. With the Pancharatnam-Berry phase-modulation method, the MPG sample was fabricated with aluminum as the plasmonic metal instead of the conventional gold or silver, which allowed for its broadband operation covering the entire visible spectrum. The versatility and compactness of the MPG capable of transforming any incident wave into light beams of arbitrary polarizations over a broad spectral range are an important step forward in achieving a complete set of flat optics for integrated photonics with far-reaching applications.

AB - All forms of light manipulation rely on light-matter interaction, the primary mechanism of which is the modulation of its electromagnetic fields by the localized electromagnetic fields of atoms. One of the important factors that influence the strength of interaction is the polarization of the electromagnetic field. The generation and manipulation of light polarization have been traditionally accomplished with bulky optical components such as waveplates, polarizers, and polarization beam splitters that are optically thick. The miniaturization of these devices is highly desirable for the development of a new class of compact, flat, and broadband optical components that can be integrated together on a single photonics chip. Here we demonstrate, for the first time, a reflective metasurface polarization generator (MPG) capable of producing light beams of any polarizations all from a linearly polarized light source with a single optically thin chip. Six polarization light beams are achieved simultaneously including four linear polarizations along different directions and two circular polarizations, all conveniently separated into different reflection angles. With the Pancharatnam-Berry phase-modulation method, the MPG sample was fabricated with aluminum as the plasmonic metal instead of the conventional gold or silver, which allowed for its broadband operation covering the entire visible spectrum. The versatility and compactness of the MPG capable of transforming any incident wave into light beams of arbitrary polarizations over a broad spectral range are an important step forward in achieving a complete set of flat optics for integrated photonics with far-reaching applications.

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