Long-period gratings in chalcogenide (As2S3) rib waveguides
Long-period gratings in chalcogenide (As2S3) rib waveguides
- Author(s): K. Finsterbusch ; N. Baker ; V.G. Ta'eed ; B.J. Eggleton ; D. Choi ; S. Madden ; B. Luther-Davis
- DOI: 10.1049/el:20062257
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- Author(s): K. Finsterbusch 1 ; N. Baker 1 ; V.G. Ta'eed 1 ; B.J. Eggleton 1 ; D. Choi 2 ; S. Madden 2 ; B. Luther-Davis 2
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View affiliations
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Affiliations:
1: Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), School of Physics, University of Sydney, Australia
2: Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), Laser Physics Centre, Australian National University, Canberra, Australia
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Affiliations:
1: Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), School of Physics, University of Sydney, Australia
- Source:
Volume 42, Issue 19,
14 September 2006,
p.
1094 – 1095
DOI: 10.1049/el:20062257 , Print ISSN 0013-5194, Online ISSN 1350-911X
Long-period gratings in highly nonlinear chalcogenide glass (As2S3) rib waveguides are fabricated. A strong resonance of ∼17 dB depths and 3 dB width of ∼15 nm is obtained at a wavelength of 1525 nm by coupling the fundamental mode to the HE02 mode in good agreement with theory. The 20 mm grating is produced by a simple shadow mask technique and has a pitch of Λ=80 µm.
Inspec keywords: optical waveguides; diffraction gratings; chalcogenide glasses; integrated optics; band-stop filters; rib waveguides; optical waveguide filters
Other keywords:
Subjects: Optical waveguides; Optical coatings and filters; Optical waveguides and couplers; Integrated optics; Gratings, echelles; Integrated optics; Spectral and other filters
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