Mid-infrared spectral broadening in an ultrafast laser inscribed gallium lanthanum sulphide waveguide

John E. McCarthy; Henry T. Bookey; Nicholas D. Psaila; Robert R. Thomson; Ajoy K. Kar

doi:10.1364/OE.20.001545

Mid-infrared spectral broadening in an ultrafast laser inscribed gallium lanthanum sulphide waveguide

John E. McCarthy
, Henry T. Bookey
, Nicholas D. Psaila
, Robert R. Thomson
, Ajoy K. Kar

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

269 Downloads (Pure)

Abstract

We report the successful fabrication of mid-infrared waveguides written in a gallium lanthanum sulphide (GLS) substrate via the ultrafast laser inscription technique. Single mode guiding at 2485 nm and 3850 nm is observed. Spectral broadening spanning 1500 nm (-15dB points) is demonstrated under 3850 nm excitation. (C)2012 Optical Society of America

Original language	English
Pages (from-to)	1545-1551
Number of pages	7
Journal	Optics Express
Volume	20
Issue number	2
DOIs	https://doi.org/10.1364/OE.20.001545
Publication status	Published - 16 Jan 2012

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title = "Mid-infrared spectral broadening in an ultrafast laser inscribed gallium lanthanum sulphide waveguide",

abstract = "We report the successful fabrication of mid-infrared waveguides written in a gallium lanthanum sulphide (GLS) substrate via the ultrafast laser inscription technique. Single mode guiding at 2485 nm and 3850 nm is observed. Spectral broadening spanning 1500 nm (-15dB points) is demonstrated under 3850 nm excitation. (C)2012 Optical Society of America",

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AU - McCarthy, John E.

AU - Bookey, Henry T.

AU - Psaila, Nicholas D.

AU - Thomson, Robert R.

AU - Kar, Ajoy K.

PY - 2012/1/16

Y1 - 2012/1/16

N2 - We report the successful fabrication of mid-infrared waveguides written in a gallium lanthanum sulphide (GLS) substrate via the ultrafast laser inscription technique. Single mode guiding at 2485 nm and 3850 nm is observed. Spectral broadening spanning 1500 nm (-15dB points) is demonstrated under 3850 nm excitation. (C)2012 Optical Society of America

AB - We report the successful fabrication of mid-infrared waveguides written in a gallium lanthanum sulphide (GLS) substrate via the ultrafast laser inscription technique. Single mode guiding at 2485 nm and 3850 nm is observed. Spectral broadening spanning 1500 nm (-15dB points) is demonstrated under 3850 nm excitation. (C)2012 Optical Society of America

U2 - 10.1364/OE.20.001545

DO - 10.1364/OE.20.001545

M3 - Article

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SN - 1094-4087

VL - 20

SP - 1545

EP - 1551

JO - Optics Express

JF - Optics Express

IS - 2

ER -

Mid-infrared spectral broadening in an ultrafast laser inscribed gallium lanthanum sulphide waveguide

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