Optical characterisation of a long period grating using liquid droplets on an electrowetting-on-dielectric platform

Anna Dudus; Robert Blue; Maria Konstantaki; Stavros Pissadakis; Deepak Uttamchandani

doi:10.1049/mnl.2014.0188

Optical characterisation of a long period grating using liquid droplets on an electrowetting-on-dielectric platform

Anna Dudus, Robert Blue, Maria Konstantaki, Stavros Pissadakis, Deepak Uttamchandani

Electronic And Electrical Engineering

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Abstract

The use of digital electrowetting as a means of characterising and modifying the optical transmission properties of long-period gratings (LPGs) fabricated in boron-doped germanosilicate single-mode fibre is described. An electrowetting-based platform has been designed to move fluid droplets, of about 2 μl volume, along the main axis of the LPG fibre. The droplets make contact with the cladding over the grating region of the fibre. Optical measurements are presented illustrating the tuning of the optical resonance wavelength of an LPG as the droplet advances stepwise along the fibre cladding under electrowetting-based actuation, and the increase of 53% in the LPG tuning range achieved by side polishing the grating section of the fibre.

Original language	English
Pages (from-to)	399-402
Number of pages	4
Journal	Micro and Nano Letters
Volume	9
Issue number	6
DOIs	https://doi.org/10.1049/mnl.2014.0188
Publication status	Published - Jun 2014

Keywords

boron
diffraction gratings
optical fibre cladding
optical fibre fabrication
optical tuning

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10.1049/mnl.2014.0188

Dudus-etal-IETMANL-2014-Optical-characterisation-of-long-period-gratingAccepted author manuscript, 415 KB

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title = "Optical characterisation of a long period grating using liquid droplets on an electrowetting-on-dielectric platform",

abstract = "The use of digital electrowetting as a means of characterising and modifying the optical transmission properties of long-period gratings (LPGs) fabricated in boron-doped germanosilicate single-mode fibre is described. An electrowetting-based platform has been designed to move fluid droplets, of about 2 μl volume, along the main axis of the LPG fibre. The droplets make contact with the cladding over the grating region of the fibre. Optical measurements are presented illustrating the tuning of the optical resonance wavelength of an LPG as the droplet advances stepwise along the fibre cladding under electrowetting-based actuation, and the increase of 53% in the LPG tuning range achieved by side polishing the grating section of the fibre.",

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author = "Anna Dudus and Robert Blue and Maria Konstantaki and Stavros Pissadakis and Deepak Uttamchandani",

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T1 - Optical characterisation of a long period grating using liquid droplets on an electrowetting-on-dielectric platform

AU - Dudus, Anna

AU - Blue, Robert

AU - Konstantaki, Maria

AU - Pissadakis, Stavros

AU - Uttamchandani, Deepak

PY - 2014/6

Y1 - 2014/6

N2 - The use of digital electrowetting as a means of characterising and modifying the optical transmission properties of long-period gratings (LPGs) fabricated in boron-doped germanosilicate single-mode fibre is described. An electrowetting-based platform has been designed to move fluid droplets, of about 2 μl volume, along the main axis of the LPG fibre. The droplets make contact with the cladding over the grating region of the fibre. Optical measurements are presented illustrating the tuning of the optical resonance wavelength of an LPG as the droplet advances stepwise along the fibre cladding under electrowetting-based actuation, and the increase of 53% in the LPG tuning range achieved by side polishing the grating section of the fibre.

AB - The use of digital electrowetting as a means of characterising and modifying the optical transmission properties of long-period gratings (LPGs) fabricated in boron-doped germanosilicate single-mode fibre is described. An electrowetting-based platform has been designed to move fluid droplets, of about 2 μl volume, along the main axis of the LPG fibre. The droplets make contact with the cladding over the grating region of the fibre. Optical measurements are presented illustrating the tuning of the optical resonance wavelength of an LPG as the droplet advances stepwise along the fibre cladding under electrowetting-based actuation, and the increase of 53% in the LPG tuning range achieved by side polishing the grating section of the fibre.

KW - boron

KW - diffraction gratings

KW - optical fibre cladding

KW - optical fibre fabrication

KW - optical tuning

U2 - 10.1049/mnl.2014.0188

DO - 10.1049/mnl.2014.0188

M3 - Article

VL - 9

SP - 399

EP - 402

JO - Micro and Nano Letters

JF - Micro and Nano Letters

SN - 1750-0443

IS - 6

ER -

Optical characterisation of a long period grating using liquid droplets on an electrowetting-on-dielectric platform

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