A subwavelength Stokes polarimeter on a silicon chip

A. Espinosa Soria; Francisco J. Rodríguez-Fortuño; Amadeu Griol; Alejandro Martínez

doi:10.1117/12.2227634

A subwavelength Stokes polarimeter on a silicon chip

A. Espinosa Soria
, Francisco J. Rodríguez-Fortuño
, Amadeu Griol
, Alejandro Martínez

Physics

UPV Polytechnic University of Valencia

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

1 Citation (Scopus)

275 Downloads (Pure)

Abstract

Measuring the state of polarization (SoP) of light beams is of paramount importance in many scientific and technological disciplines, including chemistry, biosensing, astronomy and optical communications. Commercial polarimeters are built by using bulky and expensive optical elements, including half-wave plates or grid polarizers, with little prospect for miniaturization. Inspired by the concept of spin-orbit coupling, here we introduce a nanophotonic polarimeter that measures the full SoP-Stokes parameters-of a light beam over an ultrabroad wavelength range. The active region of the device, formed by a metallic nanoantenna on top of a silicon waveguide crossing, is less than a square wavelength, one order of magnitude smaller than polarimeters based on metasurfaces and many orders of magnitude smaller than commercial devices. Our approach is universal and therefore applicable to any wavelength regime and technological platform, opening a new route for miniaturized polarimeters.

Original language	English
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Publisher	SPIE
Volume	9884
ISBN (Print)	9781510601291
DOIs	https://doi.org/10.1117/12.2227634
Publication status	Published - 18 Apr 2016
Event	Nanophotonics VI - Brussels, Belgium Duration: 3 Apr 2016 → 7 Apr 2016

Conference

Conference	Nanophotonics VI
Country/Territory	Belgium
City	Brussels
Period	3/04/2016 → 7/04/2016

Keywords

nanoantennas
plasmonics
polarimetry
silicon photonics
spin-orbit coupling

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10.1117/12.2227634

A subwavelength Stokes polarimeter_ESPINOSA SORIA_Published April 2016_GREEN AAM
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Cite this

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title = "A subwavelength Stokes polarimeter on a silicon chip",

abstract = "Measuring the state of polarization (SoP) of light beams is of paramount importance in many scientific and technological disciplines, including chemistry, biosensing, astronomy and optical communications. Commercial polarimeters are built by using bulky and expensive optical elements, including half-wave plates or grid polarizers, with little prospect for miniaturization. Inspired by the concept of spin-orbit coupling, here we introduce a nanophotonic polarimeter that measures the full SoP-Stokes parameters-of a light beam over an ultrabroad wavelength range. The active region of the device, formed by a metallic nanoantenna on top of a silicon waveguide crossing, is less than a square wavelength, one order of magnitude smaller than polarimeters based on metasurfaces and many orders of magnitude smaller than commercial devices. Our approach is universal and therefore applicable to any wavelength regime and technological platform, opening a new route for miniaturized polarimeters.",

keywords = "nanoantennas, plasmonics, polarimetry, silicon photonics, spin-orbit coupling",

author = "\{Espinosa Soria\}, A. and Rodr{\'i}guez-Fortu{\~n}o, \{Francisco J.\} and Amadeu Griol and Alejandro Mart{\'i}nez",

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T1 - A subwavelength Stokes polarimeter on a silicon chip

AU - Espinosa Soria, A.

AU - Rodríguez-Fortuño, Francisco J.

AU - Griol, Amadeu

AU - Martínez, Alejandro

PY - 2016/4/18

Y1 - 2016/4/18

N2 - Measuring the state of polarization (SoP) of light beams is of paramount importance in many scientific and technological disciplines, including chemistry, biosensing, astronomy and optical communications. Commercial polarimeters are built by using bulky and expensive optical elements, including half-wave plates or grid polarizers, with little prospect for miniaturization. Inspired by the concept of spin-orbit coupling, here we introduce a nanophotonic polarimeter that measures the full SoP-Stokes parameters-of a light beam over an ultrabroad wavelength range. The active region of the device, formed by a metallic nanoantenna on top of a silicon waveguide crossing, is less than a square wavelength, one order of magnitude smaller than polarimeters based on metasurfaces and many orders of magnitude smaller than commercial devices. Our approach is universal and therefore applicable to any wavelength regime and technological platform, opening a new route for miniaturized polarimeters.

AB - Measuring the state of polarization (SoP) of light beams is of paramount importance in many scientific and technological disciplines, including chemistry, biosensing, astronomy and optical communications. Commercial polarimeters are built by using bulky and expensive optical elements, including half-wave plates or grid polarizers, with little prospect for miniaturization. Inspired by the concept of spin-orbit coupling, here we introduce a nanophotonic polarimeter that measures the full SoP-Stokes parameters-of a light beam over an ultrabroad wavelength range. The active region of the device, formed by a metallic nanoantenna on top of a silicon waveguide crossing, is less than a square wavelength, one order of magnitude smaller than polarimeters based on metasurfaces and many orders of magnitude smaller than commercial devices. Our approach is universal and therefore applicable to any wavelength regime and technological platform, opening a new route for miniaturized polarimeters.

KW - nanoantennas

KW - plasmonics

KW - polarimetry

KW - silicon photonics

KW - spin-orbit coupling

UR - https://www.scopus.com/pages/publications/84978380550

U2 - 10.1117/12.2227634

DO - 10.1117/12.2227634

M3 - Conference paper

AN - SCOPUS:84978380550

SN - 9781510601291

VL - 9884

BT - Proceedings of SPIE - The International Society for Optical Engineering

PB - SPIE

T2 - Nanophotonics VI

Y2 - 3 April 2016 through 7 April 2016

ER -

A subwavelength Stokes polarimeter on a silicon chip

Abstract

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Keywords

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