Browsing by Keywords "Waveguide"
Now showing items 1-8 of 8
-
Comparative investigation og hydrogen bonding in silicon based PECVD grown dielectrics for optical
(Elsevier, 2004-06)Silicon oxide, silicon nitride and silicon oxynitride layers were grown by a PECVD technique. The resulting refractive indices of the layers varied between 1.47 and 1.93. The compositional properties of the layers were ... -
In-chip devices fabricated with nonlinear laser lithography deep inside silicon
(Bilkent University, 2019-05)The integration of photonic elements with electronic elements on the same chip is highly desirable, since it may lead to new generation of devices. One constraint in this direction is the limited space available on the ... -
Nanoantenna couplers for metal-insulator-metal waveguide interconnects
(SPIE, 2010)State-of-the-art copper interconnects suffer from increasing spatial power dissipation due to chip downscaling and RC delays reducing operation bandwidth. Wide bandwidth, minimized Ohmic loss, deep sub-wavelength confinement ... -
Physics and applications of coupled-cavity structures in photonic crystals
(Bilkent University, 2002)We proposed and demonstrated a new type of propagation mechanism for the electromagnetic waves in photonic band gap materials. Photons propagate through coupled cavities due to interaction between the highly localized ... -
Physics and applications of defect structures in photonic crystals
(SPIE, 2003)Photonic crystals are three dimensional periodic structures having the property of reflecting the electromagnetic (EM) waves in all dimensions, for a certain range of frequencies. Defects or cavities around the same geometry ... -
Physics and applications of photonic crystals
(Bilkent University, 2000)We first fabricated a dielectric based layer-by-layer photonic crystal, with a three-dimensional photonic band gap at microwave frequencies. We investigated the transmission, reflection and defect characteristics of the ... -
Silicon based dielectrics : growth, characterization, and applications in integrated optics
(Bilkent University, 2005)In recent years, growing attention has been paid to silicon based dielectrics, such as silicon oxynitrides, silicon nitrides, and semiconductor doped silicon oxides, all combined under the name silica on silicon technology. ... -
Ti-indiffused waveguide polarizers on lithium niobate for fiber optic gyroscope
(OSA, 2018)We report our results on polarizing waveguides fabricated by Ti indiffusion technique on x-cut y-propagating LiNbO3. Polarizing Ti indiffused waveguides with polarization extinction coefficient (PER) higher than 47 dB at ...
