Publications by authors named "Veysi Demir"
Article Synopsis
- - Combinatorial optimization problems, applicable in fields like social networks and AI, are often NP-hard, meaning finding solutions is computationally challenging.
- - This text introduces a coherent Ising machine (CIM) that uses injection-locked multicore fiber lasers and spatial light modulators to tackle these optimization problems by minimizing Ising energy functions.
- - A proof-of-principle demonstration showed that the CIM accurately solved Ising Hamiltonians for up to thirteen nodes, achieving around 90% accuracy in finding the ground state energy, while also discussing challenges in scalability and programmability.
This paper investigates the behavior of the Verdet constant for cobalt ferrite (CoFe₂O₄) nanoparticles polymer composite films at low temperatures using a 532 nm laser source. An experimental setup for Faraday rotation (FR) at low temperatures is introduced and FRs were measured at various temperatures. Verdet constants were deduced from the paramagnetic model for terbium gallium garnet glass where ~4× improvement was observed at 40° K for CoFe₂O₄ composite film.
View Article and Find Full Text PDFAg/dielectric/Ag-type plasmonic thermal emitters (PTEs) following a hexagonal lattice were fabricated, and their plasmonic emission spectrums were characterized with Fourier transform infrared spectroscopy. Nanoamorphous carbon (NAC) is used as a dielectric layer. Doping NAC with various materials over a wide range of levels enables control of the resistivity of the composite films where MoSi(2) was selected as the dopant.
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