Comb mode converters based on sampled helical gratings

Helical gratings (HGs) have an achievement of flexible mode conversion for fibre-guided orbital angular momentum (OAM) modes. Sampled reflection HGs can realise the generation and conversion of OAM mode with comb spectra. They can be used to simultaneously filter wavelengths and convert modes, and t...

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Bibliographic Details
Published in:Electronics letters 2016-03, Vol.52 (5), p.381-383
Main Authors: Ma, Yancheng, Fang, Liang, Wu, Guoan
Format: Article
Language:English
Subjects:
Angular momentum
comb filters
comb mode converters
Conversion
Diffraction gratings
Electronics
fibre‐guided orbital angular momentum modes
flexible mode conversion
Gratings (spectra)
helical gratings
hybrid multiplexing technology
mode‐division multiplexing
Multiplexing
Photonics
Reflection
Spectra
wavelength division multiplexing
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Description
Summary:Helical gratings (HGs) have an achievement of flexible mode conversion for fibre-guided orbital angular momentum (OAM) modes. Sampled reflection HGs can realise the generation and conversion of OAM mode with comb spectra. They can be used to simultaneously filter wavelengths and convert modes, and thus may be applied to the hybrid multiplexing technology with wavelength division multiplexing and mode-division multiplexing.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2015.4061