Researcher:
Yavuz, Nurperi

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Master Student

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Nurperi

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Yavuz

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Yavuz, Nurperi

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2018 - 20202

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Researcher Of Publications: search.filters.isAuthorOfPublication.90ac3bc2-59e3-4279-aace-dc922a17819f

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    THz region elastic scattering from a silica microsphere
    (Optica Publishing Group (formerly OSA), 2018) N/A; N/A; N/A; N/A; Department of Physics; Kurt, Suat; Yavuz, Nurperi; Bukhari, Syed Sultan Shah; Serpengüzel, Ali; PhD Student; Master Student; PhD Student; Faculty Member; Department of Physics; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; Graduate School of Sciences and Engineering; College of Sciences; N/A; N/A; N/A; 27855
    Using generalized Lorenz-Mie theory, we investigated TE and TM polarized 0° transmission and 90° elastic scattering spectra from a silica microsphere with a radius of 200 μm in the Terahertz region from 110 μm to 130 μm. The numerically observed mode spacing of 7 μm agrees well with the theoretically estimated value for both TE and TM polarized WGMs. The observed WGM quality factors are on the order of 104. With these numerically observed spectral responses, silica microspheres can be used in novel THz region applications.
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    PublicationOpen Access
    Laser-inscribed diamond waveguide resonantly coupled to diamond microsphere
    (Multidisciplinary Digital Publishing Institute (MDPI), 2020) Le Phu, T.; Giakoumaki, A.; Bharadwaj, V.; Ramponi, R.; Eaton, S.M.; Department of Physics; Yavuz, Nurperi; Bayer, Mustafa Mert; Çirkinoğlu, Hüseyin Ozan; Serpengüzel, Ali; Master Student; Faculty Member; Department of Physics; Graduate School of Sciences and Engineering; College of Sciences; N/A; N/A; N/A; 27855
    An all-diamond photonic circuit was implemented by integrating a diamond microsphere with a femtosecond-laser-written bulk diamond waveguide. The near surface waveguide was fabricated by exploiting the Type II fabrication method to achieve stress-induced waveguiding. Transverse electrically and transverse magnetically polarized light from a tunable laser operating in the near-infrared region was injected into the diamond waveguide, which when coupled to the diamond microsphere showed whispering-gallery modes with a spacing of 0.33 nm and high-quality factors of 105. By carefully engineering these high-quality factor resonances, and further exploiting the properties of existing nitrogen-vacancy centers in diamond microspheres and diamond waveguides in such configurations, it should be possible to realize filtering, sensing and nonlinear optical applications in integrated diamond photonics.