Slot-grating flat lens for telecom wavelengths

Jonathan R Pugh; Jamie L Stokes; Martin Lopez-Garcia; Choon-How Gan; Geoff R Nash; John G Rarity; Martin J Cryan; Martin Lopez Garcia

doi:10.1364/OL.39.003786

Slot-grating flat lens for telecom wavelengths

Jonathan R Pugh
, Jamie L Stokes
, Martin Lopez-Garcia
, Choon-How Gan
, Geoff R Nash
, John G Rarity
, Martin J Cryan
, Martin Lopez Garcia

Research output: Contribution to journal › Article (Academic Journal) › peer-review

2 Citations (Scopus)

Abstract

We present a stand-alone beam-focusing flat lens for use in the telecommunications wavelength range. Light incident on the back surface of the lens propagates through a subwavelength aperture and is heavily diffracted on exit and partially couples into a surface plasmon polariton and a surface wave propagating along the surface of the lens. Interference between the diffracted wave and re-emission from a grating patterned on the surface produces a highly collimated beam. We show for the first time a geometry at which a lens of this type can be used at telecommunication wavelengths (lambda = 1.55 mu m) and identify the light coupling and re-emission mechanisms involved. Measured beam profile results at varying incident wavelengths show excellent agreement with Lumerical FDTD simulation results. (C) 2014 Optical Society of America

Original language	English
Pages (from-to)	3786-3789
Number of pages	4
Journal	Optics Letters
Volume	39
Issue number	13
DOIs	https://doi.org/10.1364/OL.39.003786
Publication status	Published - 1 Jul 2014

Research Groups and Themes

QETLabs
Photonics and Quantum

Keywords

LASERS
LIGHT

Access to Document

10.1364/OL.39.003786

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Persistent link

Integrated Tunable Flat Lenses (TuneFuL)
Cryan, M. J. (Principal Investigator)
17/05/12 → 17/05/15
Project: Research

Professor Martin J Cryan
- M.Cryanbristol.acuk
- School of Electrical, Electronic and Mechanical Engineering - Professor of Applied Electromagnetics and Photonics
- Cabot Institute for the Environment
- Communication Systems and Networks
Person: Academic , Member

Cite this

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title = "Slot-grating flat lens for telecom wavelengths",

abstract = "We present a stand-alone beam-focusing flat lens for use in the telecommunications wavelength range. Light incident on the back surface of the lens propagates through a subwavelength aperture and is heavily diffracted on exit and partially couples into a surface plasmon polariton and a surface wave propagating along the surface of the lens. Interference between the diffracted wave and re-emission from a grating patterned on the surface produces a highly collimated beam. We show for the first time a geometry at which a lens of this type can be used at telecommunication wavelengths (lambda = 1.55 mu m) and identify the light coupling and re-emission mechanisms involved. Measured beam profile results at varying incident wavelengths show excellent agreement with Lumerical FDTD simulation results. (C) 2014 Optical Society of America",

keywords = "LASERS, LIGHT",

author = "Pugh, \{Jonathan R\} and Stokes, \{Jamie L\} and Martin Lopez-Garcia and Choon-How Gan and Nash, \{Geoff R\} and Rarity, \{John G\} and Cryan, \{Martin J\} and \{Lopez Garcia\}, Martin",

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doi = "10.1364/OL.39.003786",

language = "English",

volume = "39",

pages = "3786--3789",

journal = "Optics Letters",

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TY - JOUR

T1 - Slot-grating flat lens for telecom wavelengths

AU - Pugh, Jonathan R

AU - Stokes, Jamie L

AU - Lopez-Garcia, Martin

AU - Gan, Choon-How

AU - Nash, Geoff R

AU - Rarity, John G

AU - Cryan, Martin J

AU - Lopez Garcia, Martin

PY - 2014/7/1

Y1 - 2014/7/1

N2 - We present a stand-alone beam-focusing flat lens for use in the telecommunications wavelength range. Light incident on the back surface of the lens propagates through a subwavelength aperture and is heavily diffracted on exit and partially couples into a surface plasmon polariton and a surface wave propagating along the surface of the lens. Interference between the diffracted wave and re-emission from a grating patterned on the surface produces a highly collimated beam. We show for the first time a geometry at which a lens of this type can be used at telecommunication wavelengths (lambda = 1.55 mu m) and identify the light coupling and re-emission mechanisms involved. Measured beam profile results at varying incident wavelengths show excellent agreement with Lumerical FDTD simulation results. (C) 2014 Optical Society of America

AB - We present a stand-alone beam-focusing flat lens for use in the telecommunications wavelength range. Light incident on the back surface of the lens propagates through a subwavelength aperture and is heavily diffracted on exit and partially couples into a surface plasmon polariton and a surface wave propagating along the surface of the lens. Interference between the diffracted wave and re-emission from a grating patterned on the surface produces a highly collimated beam. We show for the first time a geometry at which a lens of this type can be used at telecommunication wavelengths (lambda = 1.55 mu m) and identify the light coupling and re-emission mechanisms involved. Measured beam profile results at varying incident wavelengths show excellent agreement with Lumerical FDTD simulation results. (C) 2014 Optical Society of America

KW - LASERS

KW - LIGHT

U2 - 10.1364/OL.39.003786

DO - 10.1364/OL.39.003786

M3 - Article (Academic Journal)

C2 - 24978737

SN - 0146-9592

VL - 39

SP - 3786

EP - 3789

JO - Optics Letters

JF - Optics Letters

IS - 13

ER -

Slot-grating flat lens for telecom wavelengths

Abstract

Research Groups and Themes

Keywords

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Projects

Integrated Tunable Flat Lenses (TuneFuL)

Profiles

Professor Martin J Cryan

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