Zobrazeno 1 - 10
of 503
pro vyhledávání: '"Badri S"'
Autor:
Badri S. Rajagopal, Nick Yates, Jake Smith, Alessandro Paradisi, Catherine Tétard-Jones, William G. T. Willats, Susan Marcus, J. Paul Knox, Mohd Firdaus-Raih, Bernard Henrissat, Gideon J. Davies, Paul H. Walton, Alison Parkin, Glyn R. Hemsworth
Publikováno v:
IUCrJ, Vol 11, Iss 2, Pp 260-274 (2024)
The discovery of lytic polysaccharide monooxygenases (LPMOs), a family of copper-dependent enzymes that play a major role in polysaccharide degradation, has revealed the importance of oxidoreductases in the biological utilization of biomass. In fungi
Externí odkaz:
https://doaj.org/article/5416359705ac4bb7868e9c0558924d6d
Silicon-on-insulator (SOI) waveguides with different geometries have been employed to design various integrated optical components. Reducing the bending radius of the SOI waveguides with low bending loss is essential in minimizing the footprint of li
Externí odkaz:
http://arxiv.org/abs/2001.06817
Autor:
Badri, S. Hadi, Gilarlue, M. M.
Publikováno v:
Optics Communications, vol. 460, p. 125089, 2020
Silicon nitride ($Si_3N_4$) planar waveguide platform combined with silicon-on-insulator (SOI) devices offer a whole new generation of system-on-chip applications. Therefore, efficient coupling of an $Si_3N_4$ waveguide to an SOI waveguide is essenti
Externí odkaz:
http://arxiv.org/abs/2001.00146
Autor:
Badri, S. Hadi, Gilarlue, M. M.
Publikováno v:
JOSA B, vol. 37, no. 1, pp. 104-109, 2020
We present a detailed analysis of a coupler based on the Luneburg lens to couple a silica waveguide to a photonic crystal waveguide. The dependence of coupling efficiency on the lens's truncation, cut position of the photonic crystal structure, coupl
Externí odkaz:
http://arxiv.org/abs/1912.07683
Autor:
Badri, S. Hadi, Gilarlue, M. M.
In integrated photonic circuits, silicon-on-insulator waveguides with different geometries have been employed to realize a variety of components. Therefore, efficient coupling of two different waveguides is crucial. In this paper, focusing property o
Externí odkaz:
http://arxiv.org/abs/1910.11281
Intersection of two or more silicon slot waveguides is inevitable in modern optical integrated circuits based on silicon on insulator (SOI) platform. In this article, we design a Maxwell's fisheye lens as the crossing medium for three Si slot wavegui
Externí odkaz:
http://arxiv.org/abs/1909.01252
Designing beam splitting structures with wide branching angles is of great significance. The branching angle of conventional Y-junctions is limited. In this paper, we investigate the possibility of utilizing gradient index (GRIN) lenses with two foca
Externí odkaz:
http://arxiv.org/abs/1908.05623
Publikováno v:
Applied Optics, 58 (2019) 5219-5224
Reducing the bending radius of low-index contrast waveguides is essential in reducing the size of the integrated optical components. A polymeric multimode waveguide bend is presented based on the Eaton lens. The ray-tracing calculations are utilized
Externí odkaz:
http://arxiv.org/abs/1906.11287
Publikováno v:
J. Opt. 21 (2019) 065102
Multimode waveguide crossings are crucial components for novel mode-division-multiplexing systems. One of the challenges of multimode waveguide routing in MDM systems is decreasing the inter-mode crosstalk and mode leakage of waveguide crossings. In
Externí odkaz:
http://arxiv.org/abs/1906.07686
Autor:
Gilarlue, M. M., Badri, S. Hadi
Publikováno v:
Optics Communications, 450 (2019) 308-315
The absolute instruments like the Maxwell's fisheye (MFE) lens with aberration-free imaging properties have found interesting applications such as waveguide crossing. The flat wavefront of an optical wave in the waveguide does not match with the circ
Externí odkaz:
http://arxiv.org/abs/1906.06040