Investigation of dispersion characteristic in tapered fiber |
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Authors: | Harun S W Lim K S Ahmad H |
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Institution: | 1.Department of Electrical Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia ;2.Photonics Research Center, University of Malaya, 50603, Kuala Lumpur, Malaysia ; |
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Abstract: | A dispersion characteristic of a tapered fiber is investigated using temporal interferometer by employing a broadband amplified
spontaneous emission (ASE) source to generate an interference pattern. The dispersion characteristic of the tapered fiber
is acquired from a Fourier transform of the interference pattern. The second and third order dispersions of β2 and β3 are obtained at 1544.1 nm for −600 ps2/km and −2 ps3/km, respectively. The β2 value obtained is observed to be more than 300 times higher than that of a non-tapered single mode fiber. The high dispersion
characteristic is due to tapering process that changes the birefringence characteristic due to the reduction in the fiber’s
size and structure. |
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Keywords: | |
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