Properties of nematicons in low-birefringence nematic liquid crystals
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Properties of nematicons in low-birefringence nematic liquid crystals. / Kwaśny, Michał; Laudyn, Urszula A.; Sala, Filip A.; Piccardi, Armando; Alberucci, Alessandro; Karpierz, Mirosław A.; Assanto, Gaetano.
julkaisussa: Photonics Letters of Poland, Vuosikerta 5, Nro 1, 2013, s. 8-10.Tutkimustuotos › › vertaisarvioitu
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TY - JOUR
T1 - Properties of nematicons in low-birefringence nematic liquid crystals
AU - Kwaśny, Michał
AU - Laudyn, Urszula A.
AU - Sala, Filip A.
AU - Piccardi, Armando
AU - Alberucci, Alessandro
AU - Karpierz, Mirosław A.
AU - Assanto, Gaetano
PY - 2013
Y1 - 2013
N2 - We investigate a nonlinear self-focusing and nematicon generation in low birefringence nematic liquid crystals (NLCs), where Δn≈0.04. Nematicons are obtained for larger optical powers but they are more stable than in NLCs with standard birefringence, of the order of Δn≈0.2. Moreover, in low-birefringent NLCs, polarization components exchange energy in a nonlinear regime. Such behaviour is not observed in typical NLCs, where ordinary and extraordinary waves tend to propagate independently due to large walk off. The results of our experimental test are also compared with numerical simulations, using a fully vectorial BPM. Calculations and experimental results are in good qualitative and quantitative agreement.
AB - We investigate a nonlinear self-focusing and nematicon generation in low birefringence nematic liquid crystals (NLCs), where Δn≈0.04. Nematicons are obtained for larger optical powers but they are more stable than in NLCs with standard birefringence, of the order of Δn≈0.2. Moreover, in low-birefringent NLCs, polarization components exchange energy in a nonlinear regime. Such behaviour is not observed in typical NLCs, where ordinary and extraordinary waves tend to propagate independently due to large walk off. The results of our experimental test are also compared with numerical simulations, using a fully vectorial BPM. Calculations and experimental results are in good qualitative and quantitative agreement.
U2 - 10.4302/plp.2013.1.04
DO - 10.4302/plp.2013.1.04
M3 - Article
VL - 5
SP - 8
EP - 10
JO - Photonics Letters of Poland
JF - Photonics Letters of Poland
SN - 2080-2242
IS - 1
ER -