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https://hdl.handle.net/20.500.11851/3875
Title: | Inverse Design of 2D Nanophotonics Devices: 1xN Optical Power Splitters, and Photonic Nanojet | Authors: | Yılmaz, Yusuf Abdulaziz Alpkılıç, Ahmet Mesut Kurt, Hamza |
Keywords: | Inverse design objective-first algorithm optical power splitter photonic nanojet |
Publisher: | SPIE | Source: | Yilmaz, Y. A., Alpkiliç, A. M., and Kurt, H. (2019, September). Inverse design of 2D nanophotonics devices: 1× N optical power splitters, and photonic nanojet. In Metamaterials, Metadevices, and Metasystems 2019 (Vol. 11080, p. 110802N). International Society for Optics and Photonics. | Abstract: | The interaction of light with nanostructures having variation in the refractive index on the order wavelength or sub-wavelength generates so many rich physical concepts that cannot be easily observed in the conventional medium. As inverse design methods provide effective optimization of the refractive index distribution that is not possible by conventional methods based on the intuition of researcher, they have been recently used in the design of nanophotonic devices. In this study, 2D integrated photonic devices which split optical power equally and exhibit the negative refraction and photonic nanojet were designed through the objective-first inverse design algorithm. Firstly, the optical power splitters (1xN) separate the optical power of the TE or TM fundamental mode at 1.55 mu m wavelength up to the four output waveguides. The output powers are approximately equal (+/- 3%) and their modes are the same input signal modes. Finally, a beam with full width at half maximum (FWHM)< lambda/2 and depth of field> 1.4 lambda is performed in the scope of the photonic nanojet. Also, the designed structures are discretized by acceptable performance losses considering the production conditions. As a result, 4-channel optical power splitter, and photonic nanojet are revealed using the objective-first algorithm for the first time to the best of our knowledge. | URI: | https://hdl.handle.net/20.500.11851/3875 https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11080/2525678/Inverse-design-of-2D-nanophotonics-devices--1xN-optical-power/10.1117/12.2525678.short |
ISBN: | 978-151063142-7 | ISSN: | 0277-786X |
Appears in Collections: | Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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