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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 9 — Sep. 1, 2013
  • pp: 2365–2370

Metasurfaces nanoantennas for light processing

Mohsen Farmahini-Farahani, Jierong Cheng, and Hossein Mosallaei  »View Author Affiliations


JOSA B, Vol. 30, Issue 9, pp. 2365-2370 (2013)
http://dx.doi.org/10.1364/JOSAB.30.002365


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Abstract

We present a subwavelength unit cell constructed of nanoantennas which can independently manipulate the amplitude and phase of an incident wave. The unit cell is made of two layers of scatterers, where the first can tune the amplitude and the second the desired phase. We show that metasurfaces composed of this unit cell can be used to achieve arbitrary transmission amplitude and phase profiles. Furthermore, we show that graded metasurfaces nanoantennas along with Fourier transform blocks can be used to realize unique linear space invariant transfer functions. This approach opens opportunity for light processing on flat platforms. Novel examples are presented.

© 2013 Optical Society of America

OCIS Codes
(200.0200) Optics in computing : Optics in computing
(200.1130) Optics in computing : Algebraic optical processing
(160.3918) Materials : Metamaterials

ToC Category:
Optics in Computing

History
Original Manuscript: April 30, 2013
Manuscript Accepted: July 9, 2013
Published: August 7, 2013

Citation
Mohsen Farmahini-Farahani, Jierong Cheng, and Hossein Mosallaei, "Metasurfaces nanoantennas for light processing," J. Opt. Soc. Am. B 30, 2365-2370 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-9-2365

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