Polarization Engineering in Nano-Scale Waveguides Using ... Polarization Engineering in Nano-Scale Waveguides Using Lossless Media PoHan Chang, Charles Lin, and Amr S Helmy, Senior Member, IEEE Abstract—A device that achieves controllable rotation of the state of polarization by rotating the orientation of the eigenmodes of a waveguide by 45 is introduced and analyzed. The device Radar Basics - Slot Antennas The polarization of a slot antenna is linear. The fields of the slot antenna are almost the same as the dipole antenna, but the field’s components are interchanged: a vertical slot has got an horizontal electric field; and the vertical dipole has got a vertical electrical field. Particle swarm optimized ultra-compact polarization beam ... Because polarization states can change randomly in optical fibers, the polarization sensitivity is a problem for compatibility between on-chip PICs and optical fibers . Therefore, the polarization control in the process of optical transmission in PICs is essential.
Frontiers | Low-Loss Slot Waveguides with Silicon (111)…
Investigation of rectangular, uni-directional, horizontally ... slots. Longitudinal slots far from the center or in the sidewall do not form good radiators [13]. 4) Slot Radiation: The ability of a slot to radiate power can be compared to a slot voltage on a transmission line. Slot voltage allows for slots to be modelled as equivalent active shunt admittance on a lossless transmission line. Measurement of the Strength of Electric Fields by Means of ... The microresonators are based on stripline waveguides with vertical and horizontal slots filled with a liquid-crystal material. The mode field propagation and dispersion constants of the waveguides are calculated by the method of lines. 952 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 34, NO. 3, FEBRUARY ... ent in SOI waveguides, polarization diversity circuits consisting of a polarization splitter to allow TE and TM signals to be processed separately is often used. This can be utilized in con-junction with polarization rotators, which can ensure that the signal is launched into a given device with the appropriate state of polarization [5], [6].
Polarization Agility in Annular Waveguide Slot Antenna ...
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PDF | The capability of polarization branching control of silicon-on-insulator horizontal slot waveguide-based directional couplers (DCs) was investigated, and a ...
Resonance characteristics of rib-type slot waveguides advantages over the vertical structure [3] such as better layer thickness control, smoother interfaces and larger waveguide width-to-height ratios, it lacks the possibilities of elec-tric wiring and self-suspension. Horizontal rib-type slot waveguides (see Fig. 1 (a)) of- Modal properties of a strip-loaded horizontal slot waveguide ...
Modal properties of a strip-loaded horizontal slot ...
A novel compact polarization beam splitter (PBS) based on a silicon nitride–silica–silicon horizontal slot waveguide is numerically proposed, to the best of our knowledge. In the slot waveguide, the transverse electric (TE) mode propagates through the silicon layer, while the transverse magnetic (TM) mode is confined in the slot region. Horizontal slot waveguides for polarization branching control Horizontal slot waveguides for polarization branching control: Authors: Cheng, Nai-Chia; Ma, Yao-Feng; Fu, Po-Han; Chin ... DOI: 10.1364/AO.54.000436: Bibliographic Code: 2015ApOpt..54..436C: Abstract Not Available Bibtex entry for this abstract Preferred format for this abstract (see Preferences) Find Similar Abstracts: Use: Authors: Title ... Silicon-on-insulator polarization splitter using two ...
Optical Dispersion Management in Silicon Nanocrystal Slot ... sense, the horizontal slot waveguide based on Si-nc should guarantee an optimization in the soliton formation with respect to standard SOI rib waveguides. Two Si-nc slot waveguides, named WG1 and WG2, have been investigated, as in Fig. 1(a) and (b). The rib width is W, the slot region filled with Si-nc has thickness G for WG1 and G1, G2 for WG2 ...