Institute of Materials Science and Nanotechnology (UNAM)

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Browsing Institute of Materials Science and Nanotechnology (UNAM) by Subject "1550 nm"

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    Dipole antenna couplers for subwavelength metal-insulator-metal waveguides
    (Optical Society of America, 2010) Onbasli, M.C.; Okyay, Ali Kemal
    Near-infrared light (λ=1550 nm) was coupled into a 100-nm-core Ag/SiO2/Ag waveguide using dipole antennas. We demonstrate that using antennas, the field intensity inside the waveguide can be enhanced by changing the antenna size and location. © 2010 OSA /FiO/LS 2010.
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    High efficiency monolithic photodetectors for integrated optoelectronics in the near infrared
    (IEEE, 2009) Okyay, Ali Kemal; Onbaşlı, M. Cengiz; Ercan, Burcu; Yu H.-Y.; Ren, S.; Miller, D.A.B.; Saraswat, K.C.; Nayfeh, A.M.
    Monolithic Germanium photodetectors integrated on Si with external efficiency up to 68% at 1550nm and low dark current density 3.2mA/cm2 are demonstrated. The absorption edge red shifted by 47nm corresponding to bandgap energy reduced by 24meV. © 2009 IEEE.