DC current sensing capability of microfibre Mach-Zehnder interferometer
Demonstrated is a microfibre Mach-Zehnder interferometer (MZI) structure which is capable of sensing current changes from 0A up to 2.5A with constant fixed wavelength shift, in linear increment pattern. The fine thin copper wire of 0.16mm radii, 60mm length used to carry electrical current is touche...
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Institution of Engineering and Technology
2012
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my.um.eprints.199222019-01-07T06:56:55Z http://eprints.um.edu.my/19922/ DC current sensing capability of microfibre Mach-Zehnder interferometer Sulaiman, Azlan Harun, Sulaiman Wadi Aryanfar, Iman Ahmad, Harith QC Physics TK Electrical engineering. Electronics Nuclear engineering Demonstrated is a microfibre Mach-Zehnder interferometer (MZI) structure which is capable of sensing current changes from 0A up to 2.5A with constant fixed wavelength shift, in linear increment pattern. The fine thin copper wire of 0.16mm radii, 60mm length used to carry electrical current is touched to the arms of the MZI. The refractive index of microfibre will change when the temperature of the microfibre rises owing to the flow of electric current. Based on this effect, the resonant wavelength of the MZI will shift. The experimental results show that the wavelength shift is linearly proportional to the square of current and maximum tuning slope 0.32nm/A 2 is achieved using fresh fabricated MZ microfibre. By increasing the touch point area between the copper wire to the MZI structure, the phase shift increased with tuning slope 0.54nm/A 2. Institution of Engineering and Technology 2012 Article PeerReviewed Sulaiman, Azlan and Harun, Sulaiman Wadi and Aryanfar, Iman and Ahmad, Harith (2012) DC current sensing capability of microfibre Mach-Zehnder interferometer. Electronics Letters, 48 (15). pp. 943-945. ISSN 0013-5194 https://doi.org/10.1049/el.2012.1435 doi:10.1049/el.2012.1435 |
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QC Physics TK Electrical engineering. Electronics Nuclear engineering |
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QC Physics TK Electrical engineering. Electronics Nuclear engineering Sulaiman, Azlan Harun, Sulaiman Wadi Aryanfar, Iman Ahmad, Harith DC current sensing capability of microfibre Mach-Zehnder interferometer |
| description |
Demonstrated is a microfibre Mach-Zehnder interferometer (MZI) structure which is capable of sensing current changes from 0A up to 2.5A with constant fixed wavelength shift, in linear increment pattern. The fine thin copper wire of 0.16mm radii, 60mm length used to carry electrical current is touched to the arms of the MZI. The refractive index of microfibre will change when the temperature of the microfibre rises owing to the flow of electric current. Based on this effect, the resonant wavelength of the MZI will shift. The experimental results show that the wavelength shift is linearly proportional to the square of current and maximum tuning slope 0.32nm/A 2 is achieved using fresh fabricated MZ microfibre. By increasing the touch point area between the copper wire to the MZI structure, the phase shift increased with tuning slope 0.54nm/A 2. |
| format |
Article |
| author |
Sulaiman, Azlan Harun, Sulaiman Wadi Aryanfar, Iman Ahmad, Harith |
| author_facet |
Sulaiman, Azlan Harun, Sulaiman Wadi Aryanfar, Iman Ahmad, Harith |
| author_sort |
Sulaiman, Azlan |
| title |
DC current sensing capability of microfibre Mach-Zehnder interferometer |
| title_short |
DC current sensing capability of microfibre Mach-Zehnder interferometer |
| title_full |
DC current sensing capability of microfibre Mach-Zehnder interferometer |
| title_fullStr |
DC current sensing capability of microfibre Mach-Zehnder interferometer |
| title_full_unstemmed |
DC current sensing capability of microfibre Mach-Zehnder interferometer |
| title_sort |
dc current sensing capability of microfibre mach-zehnder interferometer |
| publisher |
Institution of Engineering and Technology |
| publishDate |
2012 |
| url |
http://eprints.um.edu.my/19922/ https://doi.org/10.1049/el.2012.1435 |
| _version_ |
1643691127764680704 |
| score |
13.251813 |