Low-cost spectral tunable microfibre knot resonator

A low-cost microfibre knot resonator (MKR) is fabricated and the resonant wavelength tunability characteristic of this device is investigated and demonstrated. The spacing of the transmission comb spectrum is unchanged with the temperature, but the resonant wavelength linearly shifts with the temper...

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Main Authors: Lim, Kok Sing, Harun, Sulaiman Wadi, Damanhuri, Siti Sarah Ahmad, Jasim, Ali Abdulhadi, Ku, H.H., Ahmad, Harith
Format: Article
Published: Institution of Engineering and Technology (IET) 2011
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Online Access:http://eprints.um.edu.my/19880/
https://doi.org/10.1049/iet-opt.2011.0008
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Institution: Universiti Malaya
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spelling my.um.eprints.198802019-01-02T04:23:50Z http://eprints.um.edu.my/19880/ Low-cost spectral tunable microfibre knot resonator Lim, Kok Sing Harun, Sulaiman Wadi Damanhuri, Siti Sarah Ahmad Jasim, Ali Abdulhadi Ku, H.H. Ahmad, Harith QC Physics TK Electrical engineering. Electronics Nuclear engineering A low-cost microfibre knot resonator (MKR) is fabricated and the resonant wavelength tunability characteristic of this device is investigated and demonstrated. The spacing of the transmission comb spectrum is unchanged with the temperature, but the resonant wavelength linearly shifts with the temperature change at a slope coefficient of 50.6 pm/°C. The resonant wavelength can also be tuned by applying electric current to the copper wire, which is fastened by the microfibre knot. This is attributed to the thermally induced optical phase shift in the MKR caused by the heat produced by the flow of the electric current over a short transit length. The authors' analysis indicates that the wavelength shift is linearly proportional to square of the current and the maximum tuning slope achieved is 51.3 pm/A2. Institution of Engineering and Technology (IET) 2011 Article PeerReviewed Lim, Kok Sing and Harun, Sulaiman Wadi and Damanhuri, Siti Sarah Ahmad and Jasim, Ali Abdulhadi and Ku, H.H. and Ahmad, Harith (2011) Low-cost spectral tunable microfibre knot resonator. IET Optoelectronics, 5 (6). p. 281. ISSN 1751-8768 https://doi.org/10.1049/iet-opt.2011.0008 doi:10.1049/iet-opt.2011.0008
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QC Physics
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle QC Physics
TK Electrical engineering. Electronics Nuclear engineering
Lim, Kok Sing
Harun, Sulaiman Wadi
Damanhuri, Siti Sarah Ahmad
Jasim, Ali Abdulhadi
Ku, H.H.
Ahmad, Harith
Low-cost spectral tunable microfibre knot resonator
description A low-cost microfibre knot resonator (MKR) is fabricated and the resonant wavelength tunability characteristic of this device is investigated and demonstrated. The spacing of the transmission comb spectrum is unchanged with the temperature, but the resonant wavelength linearly shifts with the temperature change at a slope coefficient of 50.6 pm/°C. The resonant wavelength can also be tuned by applying electric current to the copper wire, which is fastened by the microfibre knot. This is attributed to the thermally induced optical phase shift in the MKR caused by the heat produced by the flow of the electric current over a short transit length. The authors' analysis indicates that the wavelength shift is linearly proportional to square of the current and the maximum tuning slope achieved is 51.3 pm/A2.
format Article
author Lim, Kok Sing
Harun, Sulaiman Wadi
Damanhuri, Siti Sarah Ahmad
Jasim, Ali Abdulhadi
Ku, H.H.
Ahmad, Harith
author_facet Lim, Kok Sing
Harun, Sulaiman Wadi
Damanhuri, Siti Sarah Ahmad
Jasim, Ali Abdulhadi
Ku, H.H.
Ahmad, Harith
author_sort Lim, Kok Sing
title Low-cost spectral tunable microfibre knot resonator
title_short Low-cost spectral tunable microfibre knot resonator
title_full Low-cost spectral tunable microfibre knot resonator
title_fullStr Low-cost spectral tunable microfibre knot resonator
title_full_unstemmed Low-cost spectral tunable microfibre knot resonator
title_sort low-cost spectral tunable microfibre knot resonator
publisher Institution of Engineering and Technology (IET)
publishDate 2011
url http://eprints.um.edu.my/19880/
https://doi.org/10.1049/iet-opt.2011.0008
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