Tai, L. X. T., Longobucco, M., Nguyen, V. H., Pałuba, B., Trippenbach, M., Malomed, B. A., Astrauskas, I., Pugžlys, A., Baltuška, A., Buczyński, R., & Bugar, I. (2024). Analysis of high-contrast all-optical dual-wavelength switching in asymmetric dual-core fibers. Optics Letters, 49(1), 149–152. https://doi.org/10.34726/5493
Fiber optic couplers; Nonlinearity compensation; Plasmon waveguides; Ring resonators; Energy transfer
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Abstract:
We systematically present experimental and theoretical results for the dual-wavelength switching of 1560 nm, 75 fs signal pulses (SPs) driven by 1030 nm, and 270 fs control pulses (CPs) in a dual-core fiber (DCF). We demonstrate a switching contrast of 31.9 dB, corresponding to a propagation distance of 14 mm, achieved by launching temporally synchronized SP-CP pairs into the fast core of the DCF with moderate inter-core asymmetry. Our analysis employs a system of three coupled propagation equations to identify the compensation of the asymmetry by nonlinearity as the physical mechanism behind the efficient switching performance.
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Project title:
Asymetrische optische Fasern für zeitaufgelöste Spektroskopie: I 5453-N (FWF - Österr. Wissenschaftsfonds)
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Project (external):
Ministry of Education and Training Narodowe Centrum Nauki Israel Science Foundation Slovak Scientific Grant Agency University of Warsaw Integrated Development Programme (ZIP) - 2nd round competition for doctoral students exchange travels
CC BY-NC-ND 4.0
