Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications

Giorgos Demetriou; Jean-Philippe Berube; Real Vallee; Younes Messaddeq; Christian Rosenberg Petersen; Deepak Jain; Ole Bang; Chris Craig; Daniel W. Hewak; Ajoy K. Kar

doi:10.1364/OE.24.006350

Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications

Giorgos Demetriou, Jean-Philippe Berube, Real Vallee, Younes Messaddeq, Christian Rosenberg Petersen, Deepak Jain, Ole Bang, Chris Craig, Daniel W. Hewak, Ajoy K. Kar

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Abstract

The powerful ultrafast laser inscription technique is used to fabricate optical waveguides in gallium lanthanum sulphide substrates. For the first time the refractive index profile and the dispersion of such ultrafast laser inscribed waveguides are experimentally measured. In addition the Zero Dispersion Wavelength of both the waveguides and bulk substrate is experimentally determined. The Zero Dispersion Wavelength was determined to be between 3.66 and 3.71 mu m for the waveguides and about 3.61 mu m for the bulk. This work paves the way for realizing ultrafast laser inscribed waveguide devices in gallium lanthanum sulphide glasses for near and mid-IR applications. (C) 2016 Optical Society of America

Original language	English
Journal	Optics Express
Volume	24
Issue number	6
Pages (from-to)	6350-6358
ISSN	1094-4087
DOIs	https://doi.org/10.1364/OE.24.006350
Publication status	Published - 2016

Keywords

OPTICS
CHALCOGENIDE GLASS-FIBER
FEMTOSECOND-LASER
INSCRIPTION
WRITTEN
FABRICATION
DEPOSITION
DEVICE
SIGNAL
CELLS
FILMS

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title = "Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications",

abstract = "The powerful ultrafast laser inscription technique is used to fabricate optical waveguides in gallium lanthanum sulphide substrates. For the first time the refractive index profile and the dispersion of such ultrafast laser inscribed waveguides are experimentally measured. In addition the Zero Dispersion Wavelength of both the waveguides and bulk substrate is experimentally determined. The Zero Dispersion Wavelength was determined to be between 3.66 and 3.71 mu m for the waveguides and about 3.61 mu m for the bulk. This work paves the way for realizing ultrafast laser inscribed waveguide devices in gallium lanthanum sulphide glasses for near and mid-IR applications. (C) 2016 Optical Society of America",

keywords = "OPTICS, CHALCOGENIDE GLASS-FIBER, FEMTOSECOND-LASER, INSCRIPTION, WRITTEN, FABRICATION, DEPOSITION, DEVICE, SIGNAL, CELLS, FILMS",

author = "Giorgos Demetriou and Jean-Philippe Berube and Real Vallee and Younes Messaddeq and Petersen, {Christian Rosenberg} and Deepak Jain and Ole Bang and Chris Craig and Hewak, {Daniel W.} and Kar, {Ajoy K.}",

year = "2016",

doi = "10.1364/OE.24.006350",

language = "English",

volume = "24",

pages = "6350--6358",

journal = "Optics Express",

issn = "1094-4087",

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T1 - Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications

AU - Demetriou, Giorgos

AU - Berube, Jean-Philippe

AU - Vallee, Real

AU - Messaddeq, Younes

AU - Petersen, Christian Rosenberg

AU - Jain, Deepak

AU - Bang, Ole

AU - Craig, Chris

AU - Hewak, Daniel W.

AU - Kar, Ajoy K.

PY - 2016

Y1 - 2016

N2 - The powerful ultrafast laser inscription technique is used to fabricate optical waveguides in gallium lanthanum sulphide substrates. For the first time the refractive index profile and the dispersion of such ultrafast laser inscribed waveguides are experimentally measured. In addition the Zero Dispersion Wavelength of both the waveguides and bulk substrate is experimentally determined. The Zero Dispersion Wavelength was determined to be between 3.66 and 3.71 mu m for the waveguides and about 3.61 mu m for the bulk. This work paves the way for realizing ultrafast laser inscribed waveguide devices in gallium lanthanum sulphide glasses for near and mid-IR applications. (C) 2016 Optical Society of America

AB - The powerful ultrafast laser inscription technique is used to fabricate optical waveguides in gallium lanthanum sulphide substrates. For the first time the refractive index profile and the dispersion of such ultrafast laser inscribed waveguides are experimentally measured. In addition the Zero Dispersion Wavelength of both the waveguides and bulk substrate is experimentally determined. The Zero Dispersion Wavelength was determined to be between 3.66 and 3.71 mu m for the waveguides and about 3.61 mu m for the bulk. This work paves the way for realizing ultrafast laser inscribed waveguide devices in gallium lanthanum sulphide glasses for near and mid-IR applications. (C) 2016 Optical Society of America

KW - OPTICS

KW - CHALCOGENIDE GLASS-FIBER

KW - FEMTOSECOND-LASER

KW - INSCRIPTION

KW - WRITTEN

KW - FABRICATION

KW - DEPOSITION

KW - DEVICE

KW - SIGNAL

KW - CELLS

KW - FILMS

U2 - 10.1364/OE.24.006350

DO - 10.1364/OE.24.006350

M3 - Journal article

SN - 1094-4087

VL - 24

SP - 6350

EP - 6358

JO - Optics Express

JF - Optics Express

IS - 6

ER -

Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications

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Keywords

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