Double tungstate lasers: From bulk toward on-chip integrated waveguide devices [PDF]
, 2007 It has been recognized that the monoclinic double tungstates $KY{(WO_4)}_2$, $KGd{(WO_4)}_2$, and $KLu{(WO_4)}_2$ possess a high potential as rare-earth-ion-doped solid-state laser materials, partly due to the high absorption and emission cross sections ...
Borca, Camelia N. +7 more
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Glass-Based Half-Mode SIW Bandpass Filter with Negative Coupling Structure
MicromachinesThis work presents a millimeter-wave half-mode substrate integrated waveguide filter with high selectivity, using through glass via technology. Compared to a traditional printed circuit board, the benefits of high precision and integration afforded by ...
Chen Shi +7 more
doaj +1 more source
Heterogeneously Integrated Photonic Chip on Lithium Niobate Thin-Film Waveguide
Crystals, 2021 Lithium niobate thin film represents as an ideal material substrate for quantum photonics due to its strong electro-optic effect and high-speed modulation capability.
Xing Wei, Samuel Kesse
doaj +1 more source
Integration of a multimode interference coupler with a corrugated sidewall Bragg grating in planar polymer waveguides [PDF]
, 2006 We demonstrate the integration of a 3-dB multimode interference coupler with a corrugated sidewall Bragg grating in planar polymer waveguides by direct electron beam writing.
Huang, Yanyi, Yariv, Amnon, Zhu, Lin
core +1 more source
A High-Sensitivity Microfluidic Sensor Based on a Substrate Integrated Waveguide Re-Entrant Cavity for Complex Permittivity Measurement of Liquids. [PDF]
Sensors (Basel), 2018 In this study, a novel non-invasive and contactless microwave sensor using a square substrate integrated waveguide (SIW) re-entrant cavity is proposed for complex permittivity measurement of chemical solutions.
Wei Z +6 more
europepmc +2 more sources
Waveguide-Type Directional Coupler Based on Substrate Integrated Waveguide (SIW) [PDF]
Journal of Intelligent Procedures in Electrical Technology, 2012 Substrate Integrated Waveguide (SIW) is a new type of guided wave structure which could be implemented in both microwave and millimeter wave integrated circuits.
Zohreh Pourgholamhossein, Reza Safian
doaj
A K/Ka-Band Reconfigurable Substrate Integrated Coaxial Line to Waveguide Transition Technology
IEEE Access, 2022 In this article, the designs of the K/Ka-Band reconfigurable Substrate Integrated Coaxial Line (SICL)-to-waveguide transitions are presented. Two types of reconfigurable SICL-to-waveguide transitions, with stepped impedance transformers waveguide ...
Yifang Wei +2 more
doaj +1 more source
Periodic structures for integrated optics [PDF]
, 1977 This paper deals with the theory and device applications of periodic thin-film waveguides. Topics treated include mode solutions, optical filters, distributed feedback lasers (DFB), distributed Bragg reflector (DBR) lasers, grating couplers, and phase ...
Nakamura, Michiharu, Yariv, Amnon
core +1 more source
IEEE Transactions on Antennas and Propagation, 2019 A novel dual-band substrate-integrated waveguide (SIW) antenna array topology is proposed for operation in the 28 and 38 GHz frequency bands. Four miniaturized quarter-mode SIW cavities are tightly coupled, causing mode bifurcation, and yielding an ...
T. Deckmyn +4 more
semanticscholar +1 more source
A Wearable Textile RFID Tag Based on an Eighth-Mode Substrate Integrated Waveguide Cavity
IEEE Access, 2020 A novel wearable textile Radio Frequency Identification (RFID) tag based on an eighth-mode substrate integrated waveguide cavity is presented. Antenna size reduction for effective operation in the [865-870]-MHz RFID UHF band is obtained by exploiting the
Giovanni A. Casula +2 more
doaj +1 more source