Light propagation in quasi-periodic Fibonacci waveguide arrays
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Authors
Lucic, NJovic Savic, D
Piper, A
Grujic, D
Vasiljevic, J
Pantelic, D
Jelenkovic, B
Timotijević, Dejan
Article (Published version)
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Optica publishing group
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We investigate light propagation along one-dimensional quasi-periodic Fibonacci waveguide array optically induced in Fe:LiNbO3 crystal. Two Fibonacci elements, A and B, are used as a separation between waveguides. We demonstrate numerically and experimentally that a beam expansion in such arrays is effectively reduced compared to the periodic ones, without changing beam expansion scaling law. The influence of refractive index variation on the beam expansion in such systems is discussed: more pronounced diffraction suppression is observed for a higher refractive index variation.
Keywords:
Fibonacci lattice, quasi/periodicity, light propagation, localisation of light, refractive indexSource:
Journal of the Optical Society of America B, 2015, 32Funding / projects:
- Nonlinear photonics of inhomogeneous media and surfaces (RS-MESTD-Basic Research (BR or ON)-171036)
- Holographic methods for generation of specific wave-fronts to better control quantum coherent effects in laser-atom interactions (RS-MESTD-Basic Research (BR or ON)-171038)
- Fabrication and characterization of nano-photonic functional structrues in biomedicine and informatics (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45016)
DOI: https://doi.org/10.1364/josab.32.001510
ISSN: 0740-3224 (print); ISSN: 1520-8540 (online)
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Institut za multidisciplinarna istraživanjaTY - JOUR AU - Lucic, N AU - Jovic Savic, D AU - Piper, A AU - Grujic, D AU - Vasiljevic, J AU - Pantelic, D AU - Jelenkovic, B AU - Timotijević, Dejan PY - 2015 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/2999 AB - We investigate light propagation along one-dimensional quasi-periodic Fibonacci waveguide array optically induced in Fe:LiNbO3 crystal. Two Fibonacci elements, A and B, are used as a separation between waveguides. We demonstrate numerically and experimentally that a beam expansion in such arrays is effectively reduced compared to the periodic ones, without changing beam expansion scaling law. The influence of refractive index variation on the beam expansion in such systems is discussed: more pronounced diffraction suppression is observed for a higher refractive index variation. T2 - Journal of the Optical Society of America B T1 - Light propagation in quasi-periodic Fibonacci waveguide arrays VL - 32 DO - https://doi.org/10.1364/josab.32.001510 ER -
@article{ author = "Lucic, N and Jovic Savic, D and Piper, A and Grujic, D and Vasiljevic, J and Pantelic, D and Jelenkovic, B and Timotijević, Dejan", year = "2015", abstract = "We investigate light propagation along one-dimensional quasi-periodic Fibonacci waveguide array optically induced in Fe:LiNbO3 crystal. Two Fibonacci elements, A and B, are used as a separation between waveguides. We demonstrate numerically and experimentally that a beam expansion in such arrays is effectively reduced compared to the periodic ones, without changing beam expansion scaling law. The influence of refractive index variation on the beam expansion in such systems is discussed: more pronounced diffraction suppression is observed for a higher refractive index variation.", journal = "Journal of the Optical Society of America B", title = "Light propagation in quasi-periodic Fibonacci waveguide arrays", volume = "32", doi = "https://doi.org/10.1364/josab.32.001510" }
Lucic, N., Jovic Savic, D., Piper, A., Grujic, D., Vasiljevic, J., Pantelic, D., Jelenkovic, B.,& Timotijević, D.. (2015). Light propagation in quasi-periodic Fibonacci waveguide arrays. in Journal of the Optical Society of America B, 32. https://doi.org/https://doi.org/10.1364/josab.32.001510
Lucic N, Jovic Savic D, Piper A, Grujic D, Vasiljevic J, Pantelic D, Jelenkovic B, Timotijević D. Light propagation in quasi-periodic Fibonacci waveguide arrays. in Journal of the Optical Society of America B. 2015;32. doi:https://doi.org/10.1364/josab.32.001510 .
Lucic, N, Jovic Savic, D, Piper, A, Grujic, D, Vasiljevic, J, Pantelic, D, Jelenkovic, B, Timotijević, Dejan, "Light propagation in quasi-periodic Fibonacci waveguide arrays" in Journal of the Optical Society of America B, 32 (2015), https://doi.org/https://doi.org/10.1364/josab.32.001510 . .