Supercontinuum Generation at 1.55 μm in a Silicon Nanowire Embedded Photonic Crystal Fiber
In this paper, we design an elliptical silicon nanowire embedded photonic crystal fiber (SN-PCF) using fully vectorial finite element method. Further, we analyze the various optical properties, namely, waveguide dispersion, birefringence, fractional power inside the core and effective nonlinearity by varying the ellipticity for a wide range of wavelengths from 0.8 to 1.8 μm. The proposed structure exhibits a high birefringence of 0.4815 for a small ellipticity of 0.3 at a longer wavelength of 1.8 μm. Besides, we investigate the evolution of supercontinuum at 1.55 μm wavelength for an input pulse width of 25 fs by varying the peak power of the input pulse as well as length of the SN-PCF. The numerical results corroborate that the proposed SN-PCF provides a wider supercontinuum bandwidth for a high input power within a few mm length (2 mm) of fiber. The findings of this work may be useful in ultrahigh-resolution optical coherence tomography and optical communication systems.
E.Gunasundari Abdosllam M.Abobaker K.Senthilnathan S.Sivabalan K.Nakkeeran P.Ramesh Babu
Photonics, Nuclear and Medical Physics Division, School of Advanced Sciences VIT University, Vellore Department of Communications Engineering, College of Electronic Technology, Bani Walid, Libya School of Electrical Engineering, VIT University, Vellore 632 014, India School of Engineering, University of Aberdeen, Aberdeen AB24 3UE, UK
国际会议
Progress in Electromagnetics Research Symposium 2014(2014年电磁学研究新进展学术研讨会)
广州
英文
1295-1299
2014-08-01（万方平台首次上网日期，不代表论文的发表时间）