Femtosecond laser written diamond waveguides: A step towards integrated photonics in the far infrared

Vibhav Bharadwaj; Yuchen Wang; Toney Teddy Fernandez; Roberta Ramponi; Shane M. Eaton; Gianluca Galzerano

doi:10.1016/j.optmat.2018.08.062

Femtosecond laser written diamond waveguides: A step towards integrated photonics in the far infrared

Vibhav Bharadwaj^*, Yuchen Wang, Toney Teddy Fernandez, Roberta Ramponi, Shane M. Eaton, Gianluca Galzerano

^*Corresponding author for this work

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

20 Citations (Scopus)

Abstract

A first demonstration and complete characterization of mid-infrared waveguides in single crystal diamond are reported. Waveguides were designed for 2.4 μm and 8.6 μm waveguiding, with their group velocity dispersion analyzed using femtosecond pulses at 2.4 μm wavelength propagated through the waveguide and the bulk substrate. The total dispersion was found to be dominated by the bulk material rather than the waveguide, and was on the range of 275 fs²/mm, demonstrating that femtosecond laser written modifications in diamond introduce negligible perturbations to the pristine material.

Original language	English
Pages (from-to)	183-185
Number of pages	3
Journal	Optical Materials
Volume	85
DOIs	https://doi.org/10.1016/j.optmat.2018.08.062
Publication status	Published - 1 Nov 2018
Externally published	Yes

Keywords

Diamond machining
Diamond photonics
Femtosecond phenomena
Laser materials processing
Mid- and far-infrared photonics

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10.1016/j.optmat.2018.08.062

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@article{20e9050dd70b4636ba444d56ca8b6b77,

title = "Femtosecond laser written diamond waveguides: A step towards integrated photonics in the far infrared",

abstract = "A first demonstration and complete characterization of mid-infrared waveguides in single crystal diamond are reported. Waveguides were designed for 2.4 μm and 8.6 μm waveguiding, with their group velocity dispersion analyzed using femtosecond pulses at 2.4 μm wavelength propagated through the waveguide and the bulk substrate. The total dispersion was found to be dominated by the bulk material rather than the waveguide, and was on the range of 275 fs2/mm, demonstrating that femtosecond laser written modifications in diamond introduce negligible perturbations to the pristine material.",

keywords = "Diamond machining, Diamond photonics, Femtosecond phenomena, Laser materials processing, Mid- and far-infrared photonics",

author = "Vibhav Bharadwaj and Yuchen Wang and Fernandez, \{Toney Teddy\} and Roberta Ramponi and Eaton, \{Shane M.\} and Gianluca Galzerano",

year = "2018",

month = nov,

day = "1",

doi = "10.1016/j.optmat.2018.08.062",

language = "English",

volume = "85",

pages = "183--185",

journal = "Optical Materials",

issn = "0925-3467",

publisher = "Elsevier",

}

TY - JOUR

T1 - Femtosecond laser written diamond waveguides

T2 - A step towards integrated photonics in the far infrared

AU - Bharadwaj, Vibhav

AU - Wang, Yuchen

AU - Fernandez, Toney Teddy

AU - Ramponi, Roberta

AU - Eaton, Shane M.

AU - Galzerano, Gianluca

PY - 2018/11/1

Y1 - 2018/11/1

N2 - A first demonstration and complete characterization of mid-infrared waveguides in single crystal diamond are reported. Waveguides were designed for 2.4 μm and 8.6 μm waveguiding, with their group velocity dispersion analyzed using femtosecond pulses at 2.4 μm wavelength propagated through the waveguide and the bulk substrate. The total dispersion was found to be dominated by the bulk material rather than the waveguide, and was on the range of 275 fs2/mm, demonstrating that femtosecond laser written modifications in diamond introduce negligible perturbations to the pristine material.

AB - A first demonstration and complete characterization of mid-infrared waveguides in single crystal diamond are reported. Waveguides were designed for 2.4 μm and 8.6 μm waveguiding, with their group velocity dispersion analyzed using femtosecond pulses at 2.4 μm wavelength propagated through the waveguide and the bulk substrate. The total dispersion was found to be dominated by the bulk material rather than the waveguide, and was on the range of 275 fs2/mm, demonstrating that femtosecond laser written modifications in diamond introduce negligible perturbations to the pristine material.

KW - Diamond machining

KW - Diamond photonics

KW - Femtosecond phenomena

KW - Laser materials processing

KW - Mid- and far-infrared photonics

UR - https://www.scopus.com/pages/publications/85052324733

U2 - 10.1016/j.optmat.2018.08.062

DO - 10.1016/j.optmat.2018.08.062

M3 - Article

AN - SCOPUS:85052324733

SN - 0925-3467

VL - 85

SP - 183

EP - 185

JO - Optical Materials

JF - Optical Materials

ER -

Femtosecond laser written diamond waveguides: A step towards integrated photonics in the far infrared

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Keywords

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