Longitudinal coupling effect in microfiber Bragg gratings
We theoretically present longitudinal coupling effect (LCE) in air-cladding microfiber Bragg gratings (MFBGs). Distinct from conventional weakly-guiding optical fibers, large longitudinal electric field (Ez) exists in wavelength-scale microfibers. Due to LCE, MFBG reflectivity can be reduced by more...
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sg-ntu-dr.10356-996662020-03-07T14:00:31Z Longitudinal coupling effect in microfiber Bragg gratings Zhao, Ping Zhang, Jihua Wang, Guanghui Jiang, Meng Shum, Perry Ping Zhang, Xinliang School of Electrical and Electronic Engineering DRNTU::Engineering::Electrical and electronic engineering We theoretically present longitudinal coupling effect (LCE) in air-cladding microfiber Bragg gratings (MFBGs). Distinct from conventional weakly-guiding optical fibers, large longitudinal electric field (Ez) exists in wavelength-scale microfibers. Due to LCE, MFBG reflectivity can be reduced by more than 30% within the band-gap and the full width at half maximum (FWHM) is obviously narrowed. This theoretical analytical work is instructive to precisely design and fabricate MFBGs that are promising in the areas of optical sensing and nanophotonics. 2013-06-25T07:32:56Z 2019-12-06T20:10:00Z 2013-06-25T07:32:56Z 2019-12-06T20:10:00Z 2012 2012 Journal Article Zhao, P., Zhang, J., Wang, G., Jiang, M., Shum, P. P., & Zhang, X. (2012). Longitudinal coupling effect in microfiber Bragg gratings. Optics Communications, 285(23), 4655-4659. 0030-4018 https://hdl.handle.net/10356/99666 http://hdl.handle.net/10220/10652 10.1016/j.optcom.2012.04.044 en Optics communications © 2012 Elsevier B.V. |
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DRNTU::Engineering::Electrical and electronic engineering Zhao, Ping Zhang, Jihua Wang, Guanghui Jiang, Meng Shum, Perry Ping Zhang, Xinliang Longitudinal coupling effect in microfiber Bragg gratings |
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We theoretically present longitudinal coupling effect (LCE) in air-cladding microfiber Bragg gratings (MFBGs). Distinct from conventional weakly-guiding optical fibers, large longitudinal electric field (Ez) exists in wavelength-scale microfibers. Due to LCE, MFBG reflectivity can be reduced by more than 30% within the band-gap and the full width at half maximum (FWHM) is obviously narrowed. This theoretical analytical work is instructive to precisely design and fabricate MFBGs that are promising in the areas of optical sensing and nanophotonics. |
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School of Electrical and Electronic Engineering |
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School of Electrical and Electronic Engineering Zhao, Ping Zhang, Jihua Wang, Guanghui Jiang, Meng Shum, Perry Ping Zhang, Xinliang |
format |
Article |
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Zhao, Ping Zhang, Jihua Wang, Guanghui Jiang, Meng Shum, Perry Ping Zhang, Xinliang |
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Zhao, Ping |
title |
Longitudinal coupling effect in microfiber Bragg gratings |
title_short |
Longitudinal coupling effect in microfiber Bragg gratings |
title_full |
Longitudinal coupling effect in microfiber Bragg gratings |
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Longitudinal coupling effect in microfiber Bragg gratings |
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Longitudinal coupling effect in microfiber Bragg gratings |
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longitudinal coupling effect in microfiber bragg gratings |
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2013 |
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https://hdl.handle.net/10356/99666 http://hdl.handle.net/10220/10652 |
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