Publikationer av Syed Umer Abbas Shah

Refereegranskade

Artiklar

[1]

A. Karimi et al., "A 220–260-GHz Silicon-Micromachined Waveguide MEMS Crossover Switch," IEEE transactions on microwave theory and techniques, s. 1-11, 2024.

[2]

B. Beuerle et al., "A CPW Probe to Rectangular Waveguide Transition for On-Wafer Micromachined Waveguide Characterization," IEEE Transactions on Terahertz Science and Technology, vol. 14, no. 1, s. 98-108, 2024.

[3]

A. Karimi et al., "A High-Performance 220–290 GHz Micromachined Waveguide Switch Based on Interference Between MEMS Reconfigurable Surfaces," IEEE Transactions on Terahertz Science and Technology, vol. 14, no. 2, s. 188-198, 2024.

[4]

M. Reza Seidi Goldar, U. Shah och J. Oberhammer, "Analysis of a Minimalistic Imaging Radar Concept Employing Beam Shape Switching and Compressed Sensing," IEEE Transactions on Geoscience and Remote Sensing, vol. 62, 2024.

[5]

A. Karimi et al., "Full-Band Silicon-Micromachined E-Plane Waveguide Bend for Flange-to-Chip Connection," IEEE Transactions on Terahertz Science and Technology, vol. 14, no. 1, s. 130-133, 2024.

[6]

A. Madannejad et al., "High-Gain Circularly Polarized 500-750 GHz Lens Antenna Enabled by Silicon Micromachining," IEEE Transactions on Antennas and Propagation, vol. 72, no. 5, s. 4077-4085, 2024.

[7]

A. Karimi et al., "Silicon-Micromachined Subterahertz Frequency Beam-Steered Dual-Port Array Antenna," IEEE Transactions on Terahertz Science and Technology, vol. 14, no. 2, s. 258-268, 2024.

[8]

A. Krivovitca et al., "Cross-Over Wire-Bonding for Millimeter-Wave Applications," IEEE Electron Device Letters, vol. 44, no. 12, s. 2019-2022, 2023.

[9]

B. Beuerle et al., "Integrating InP MMICs and Silicon Micromachined Waveguides for Sub-THz Systems," IEEE Electron Device Letters, vol. 44, no. 10, s. 1800-1803, 2023.

[10]

X. Zhao et al., "Micromachined Subterahertz Waveguide-Integrated Phase Shifter Utilizing Supermode Propagation," IEEE transactions on microwave theory and techniques, vol. 69, no. 7, s. 3219-3227, 2021.

[11]

A. Krivovitca et al., "Micromachined Silicon-Core Substrate-Integrated Waveguides at 220-330 GHz," IEEE transactions on microwave theory and techniques, vol. 68, no. 12, s. 5123-5131, 2020.

[12]

X. Zhao et al., "Silicon Micromachined D-Band Diplexer Using Releasable Filling Structure Technique," IEEE transactions on microwave theory and techniques, vol. 68, no. 8, s. 3448-3460, 2020.

[13]

M. Laakso et al., "Water in contact with the backside of a silicon substrate enables drilling of high-quality holes through the substrate using ultrashort laser pulses," Optics Express, vol. 28, no. 2, s. 1394-1408, 2020.

[14]

O. Glubokov et al., "Investigation of Fabrication Accuracy and Repeatability of High-Q Silicon-Micromachined Narrowband Sub-THz Waveguide Filters," IEEE transactions on microwave theory and techniques, vol. 67, no. 9, s. 3696-3706, 2019.

[15]

O. Glubokov et al., "Micromachined Filters at 450 GHz With 1% Fractional Bandwidth and Unloaded Q Beyond 700," IEEE Transactions on Terahertz Science and Technology, vol. 9, no. 1, 2019.

[16]

J. Campion et al., "Toward Industrial Exploitation of THz Frequencies : Integration of SiGe MMICs in Silicon-Micromachined Waveguide Systems," IEEE Transactions on Terahertz Science and Technology, vol. 9, no. 6, s. 624-636, 2019.

[17]

B. Beuerle et al., "A Very Low Loss 220–325 GHz Silicon Micromachined Waveguide Technology," IEEE Transactions on Terahertz Science and Technology, vol. 8, no. 2, s. 248-250, 2018.

[18]

A. Gomez-Torrent, U. Shah och J. Oberhammer, "Compact silicon-micromachined wideband 220 – 330 GHz turnstile orthomode transducer," IEEE Transactions on Terahertz Science and Technology, vol. 9, no. 1, s. 38-46, 2018.

[19]

U. Shah et al., "Low Loss High Linearity RF Interposers Enabled by Through-Glass Vias," IEEE Microwave and Wireless Components Letters, vol. 28, no. 11, s. 960-962, 2018.

[20]

U. Shah et al., "A 500–750 GHz RF MEMS Waveguide Switch," IEEE Transactions on Terahertz Science and Technology, vol. 7, no. 3, s. 326-334, 2017.

[21]

U. Shah et al., "Submillimeter-Wave 3.3-bit RF MEMS Phase Shifter Integrated in Micromachined Waveguide," IEEE Transactions on Terahertz Science and Technology, vol. 6, no. 5, s. 706-715, 2016.

[22]

S. J. Bleiker et al., "High-Aspect-Ratio Through Silicon Vias for High-Frequency Application Fabricated by Magnetic Assembly of Gold-Coated Nickel Wires," IEEE Transactions on Components, Packaging, and Manufacturing Technology, vol. 5, no. 1, s. 21-27, 2015.

[23]

U. Shah, M. Sterner och J. Oberhammer, "Analysis of Linearity Deterioration in Multidevice RF MEMS Circuits," IEEE Transactions on Electron Devices, vol. 61, no. 5, s. 1529-1535, 2014.

[24]

U. Shah et al., "Permeability Enhancement by Multilayer Ferromagnetic Composites for Magnetic-Core On-Chip Inductors," IEEE Microwave and Wireless Components Letters, vol. 24, no. 10, s. 677-679, 2014.

[25]

U. Shah, M. Sterner och J. Oberhammer, "High-Directivity MEMS-Tunable Directional Couplers for 10–18-GHz Broadband Applications," IEEE transactions on microwave theory and techniques, vol. 61, no. 9, s. 3236-3246, 2013.

[26]

Z. Baghchehsaraei et al., "MEMS reconfigurable millimeter-wave surface for V-band rectangular-waveguide switch," International Journal of Microwave and Wireless Technologies, vol. 5, no. 3, s. 341-349, 2013.

[27]

U. Shah, M. Sterner och J. Oberhammer, "Multi-Position RF MEMS Tunable Capacitors Using Laterally Moving Sidewalls of 3-D Micromachined Transmission Lines," IEEE transactions on microwave theory and techniques, vol. 61, no. 6, s. 2340-2352, 2013.

[28]

M. Sterner et al., "Microwave MEMS Devices Designed for Process Robustness and Operational Reliability," International Journal of Microwave and Wireless Technology, vol. 3, no. 5, s. 547-563, 2011.

[29]

A. B. Mehmood, U. Shah och G. Shabbir, "Closed Form Approximation Solutions for the Restricted Circular Three Body Problem.," Applied Sciences : APPS, vol. 7, no. 1, s. 112-126, 2005.

Konferensbidrag

[30]

M. Rezaei Golghand et al., "Analysis of the Interaction of laser-induced Solid-State Plasma with Electromagnetic Waves in Silicon Waveguides at 67-220 GHz," i Proceedings 18th European Conference on Antennas and Propagation (EuCAP), 2024.

[31]

A. Madannejad et al., "Graded Index Lens Antenna in Silicon Micromachining with Circular Polarization at 500-750 GHz," i 27th European Microwave Conference (EuMC 2024), Paris, France, 24-26 Sep 2024, 2024.

[32]

A. Madannejad et al., "High-Gain and Circular Polarization Silicon-Micromachined Lens Antennas at 500-750 GHz," i 18th European Conference on Antennas and Propagation, EuCAP 2024, 2024.

[33]

A. Karimi, U. Shah och J. Oberhammer, "Micromachined Waveguide-Integrated Sub-THz Crossover Switch," i 2024 IEEE/MTT-S International Microwave Symposium, IMS 2024, 2024, s. 227-230.

[34]

M. Rezaei Golghand et al., "Attenuation of Electromagnetic waves in Plasma in Ku band," i Swedish Microwave Days 2023, 2023.

[35]

A. Karimi, U. Shah och J. Oberhammer, "Compact High-isolation Sub-THz Micro-electromechanical SPST Switch," i 2023 53rd European Microwave Conference, EuMC 2023, 2023.

[36]

A. Karimi, U. Shah och J. Oberhammer, "Silicon-Micromachined THz Radar Frontend," i Swedish Microwave Days 2023, 2023.

[37]

A. Karimi, U. Shah och J. Oberhammer, "Sub-THz Silicon-Micromachined Reconfigurable Beam-Steering Frontend," i 2023 53rd European Microwave Conference, EuMC 2023, 2023.

[38]

A. Karimi, U. Shah och J. Oberhammer, "Sub-THz Single-Pole-Single-Thru Microelectromechanical Switch," i Swedish Microwave Days, KTH, Stockholm, 23-25 May 2023, 2023.

[39]

O. Glubokov et al., "Micromachined Bandpass Filters with Enhanced Stopband Performance and Q-factor of 950 at 700 GHz," i Proceedings IEEE MTT-S International Microwave Symposium Digest, 2021, s. 204-206.

[40]

A. Gomez-Torrent, U. Shah och J. Oberhammer, "Silicon Micromachined Receiver Calibration Waveguide Switch for THz Frequencies," i International Symposium on Space Terahertz Technology (ISSTT),Gothenburg, Sweden, April 15-17, 2019, 2020.

[41]

Z. Xinghai et al., "Highly compact silicon micromachined filter with axial ports at sub-terahertz band," i Asia-Pacific Microwave Conference Proceedings, APMC, 2019, s. 768-770.

[42]

D. Dancila et al., "Leaky Wave Antenna at 300 GHz in Silicon Micromachined Waveguide Technology," i 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2019.

[43]

J. Campion, U. Shah och J. Oberhammer, "Silicon-Micromachined Waveguide Calibration Shims for Terahertz Frequencies," i Proceedings 2019 IEEE MTT-S International Microwave Symposium (IMS), 2019.

[44]

U. Shah, A. Gomez Torrent och J. Oberhammer, "Ultra-Compact Micromachined Beam-Steering Antenna Front-End for High-Resolution Sub-Terahertz Radar," i 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2019.

[45]

A. Gomez-Torrent, U. Shah och J. Oberhammer, "A Silicon Micromachined 220-330 GHz Turnstile Orthomode Transducer (OMT) in a Low-Loss Micromachining Fabrication Platform," i The 8th ESA Workshop on Millimetre-Wave Technology and Applications, 10-12 December 2018, ESA/ESTEC, Noordwijk, The Netherlands, 2018.

[46]

U. Shah och J. Oberhammer, "A Very High Isolation (>50 dB) and Low Insertion Loss (<0.55 dB) 140-220 GHz MEMSWaveguide Switch," i The 8th ESA Workshop on Millimetre-Wave Technology and Applications, 2018.

[47]

A. Gomez-Torrent, U. Shah och J. Oberhammer, "Advanced Millimetre-Wave Waveguide Components Enabled by Silicon Micromachining," i Swedish Microwave Days, 2018.

[48]

J. Campion et al., "An Ultra Low-Loss Silicon-Micromachined Waveguide Filter for D-Band Telecommunication Applications," i 2018 IEEE/MTT-S International Microwave Symposium, 2018, s. 583-586.

[49]

B. Beuerle et al., "Low-Loss Silicon Micromachined Waveguides Above 100 GHz Utilising Multiple H-plane Splits," i Proceedings of the 48th European Microwave Conference, Madrid, October 1-3, 2018, 2018, s. 1041-1044.

[50]

A. Krivovitca et al., "Micromachined Silicon-core Substrate-integrated Waveguides with Coplanar-probe Transitions at 220-330 GHz," i Transmission-line structures : Advances in Millimeter-Wave Integrated Waveguide Components and Transitions, 2018, s. 190-193.

[51]

B. Beuerle, U. Shah och J. Oberhammer, "Micromachined Waveguides with Integrated Silicon Absorbers and Attenuators at 220–325 GHz," i IEEE MTT-S International Microwave Symposium, IEEE conference proceedings, 2018, 2018.

[52]

O. Glubokov et al., "Multilayer Micromachined Dual-Mode Elliptic Cavities Filter With Axial Feeding at 270 GHz," i 14th GigaHertz Symposium (Swedish Microwave Days), Lund, Sweden, 24-25 May 2018, 2018.

[53]

A. Gomez-Torrent, U. Shah och J. Oberhammer, "Wideband 220 – 330 GHz Turnstile OMT Enabled by Silicon Micromachining," i 2018 IEEE MTT-S International Microwave Symposium (IMS), 2018, s. 1511-1514.

[54]

R. Malmqvist et al., "A 220-325 GHz Low-Loss Micromachined Waveguide Power Divider," i Proceedings of the 2017 Asia-Pacific Microwave Conference (APMC), 2017, s. 291-294.

[55]

J. Svedin et al., "A 230-300 GHz Low-Loss Micromachined Waveguide Hybrid Coupler," i Proceedings of the 47th European Microwave Conference,, 2017, s. 616-619.

[56]

J. Campion, U. Shah och J. Oberhammer, "Elliptical alignment holes enabling accurate direct assembly of micro-chips to standard waveguide flanges at sub-THz frequencies," i 2017 IEEE MTT-S International Microwave Symposium (IMS), 2017, s. 1262-1265.

[57]

B. Beuerle et al., "Integrated Micromachined Waveguide Absorbers at 220 – 325 GHz," i Proceedings of the 47th European Microwave Conference, Nuremberg, October 8-13, 2017, 2017, s. 695-698.

[58]

D. Dancila et al., "Micromachined Cavity Resonator Sensors for on Chip Material Characterisation in the 220–330 GHz band," i Proceedings of the 47th European Microwave Conference, Nuremberg, October 8-13, 2017, 2017, s. 938-941.

[59]

O. Glubokov et al., "Micromachined Multilayer Bandpass Filter at 270 GHz Using Dual-Mode Circular Cavities," i 2017 IEEE MTT-S International Microwave Symposium, 2017, s. 1449-1452.

[60]

U. Shah et al., "500-550 GHz Waveguide Integrated RF MEMS Phase Sifter," i GigaHertz Symposium 2016, Swedish Microwave days. 15-16 March., 2016.

[61]

U. Shah et al., "500-750 GHz submillimeter-wave MEMS waveguide switch," i 2016 IEEE MTT-S International Microwave Symposium (IMS), 2016.

[62]

U. Shah et al., "Micromachined Waveguide Integrated RF MEMS Switch Operating between 500-750 GHz," i The 17th edition of the International Symposium on RF-MEMS and RF-MICROSYSTEMS (MEMSWAVE 2016), 2016.

[63]

J. Liljeholm et al., "Through-Glass-Via Enabling Low Loss High-Linearity RF Components," i 11th Micronano System Workshop 2016 (MSW 2016), 2016.

[64]

U. Shah et al., "500-600 GHz RF MEMS Based Tunable Stub Integrated in Micromachined Rectangular Waveguide," i 2015 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS), 2015.

[65]

U. Shah et al., "500-600 GHz Submillimeter-Wave 3.3 bit RF MEMS Phase Shifter Integrated in Micromachined Waveguide," i Microwave Symposium (IMS), 2015 IEEE MTT-S International, 2015, s. 1-4.

[66]

U. Shah et al., "Micromachined Waveguide Integrated RF MEMS Phase Sifter Operating between 500-600 GHz," i 16th edition of the International Symposium on RF-MEMS and RF-MICROSYSTEMS. 29 june -1 July, 2015.

[67]

J. Liljeholm et al., "Multilayer ferromagnetic composites enabling on-chip magnetic-core inductors beyond 1 GHZ," i Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS), 2015 Transducers - 2015 18th International Conference on, 2015, s. 811-814.

[68]

U. Shah, M. Sterner och J. Oberhammer, "Analysis of linearity degradation in multi-stage RF MEMS circuits," i Micro Electro Mechanical Systems (MEMS), 2013 IEEE 26th International Conference on, 2013, s. 749-752.

[69]

U. Shah och J. Oberhammer, "Characterization of High-Q Laterally Moving RF MEMS Tuneable Capacitor," i European Microwave Week 2013, EuMW 2013 - Conference Proceedings; EuMC 2013 : 43rd European Microwave Conference, 2013, s. 1323-1326.

[70]

U. Shah och J. Oberhammer, "Characterization of High-Q Laterally Moving RF MEMS Tuneable Capacitor," i 2013 8TH EUROPEAN MICROWAVE INTEGRATED CIRCUITS CONFERENCE (EUMIC), 2013, s. 352-355.

[71]

Z. Baghchehsaraei et al., "Millimeter-Wave SPST Waveguide Switch Based on Reconfigurable MEMS Surface," i 2013 IEEE MTT-S International Microwave Symposium Digest (IMS), 2013, s. 6697774.

[72]

J. Oberhammer et al., "Monocrystalline‐Silicon Microwave MEMS," i Proceedings of PIERS 2013 in Stockholm, August 12-15, 2013, 2013, s. 1933-1941.

[73]

U. Shah, M. Sterner och J. Oberhammer, "Nonlinearity Determination and Linearity Degradation in RF MEMS Multi-Device Circuits," i 14th International Symposium on RF MEMS and RF Microsystems (MEMSWAVE 2013); Potsdam, Germany, July 1-3, 2013, 2013.

[74]

U. Shah, M. Sterner och J. Oberhammer, "Basic Concept of Tuneable MEMS Directional Couplers for Ultra‐Wideband Applications," i 13th International Symposium on RF MEMS and RF Microsystems (MEMSWAVE 2012),02-04 July 2012, Antalya, Turkey, 2012.

[75]

U. Shah, M. Sterner och J. Oberhammer, "Compact MEMS reconfigurable ultra-wideband 10-18 GHz directional couplers," i Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), 2012, s. 684-687.

[76]

Z. Baghchehsaraei et al., "MEMS 30 µm-thick W-band Waveguide Switch," i 2012 42ND EUROPEAN MICROWAVE CONFERENCE (EUMC), 2012, s. 1055-1058.

[77]

Z. Baghchehsaraei et al., "MEMS 30μm-thick W-band Waveguide Switch," i European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012, 2012, s. 675-678.

[78]

Z. Baghchehsaraei et al., "MEMS 30μm-thick W-band waveguide switch," i European Microwave Week 2012 : "Space for Microwaves", EuMW 2012, Conference Proceedings - 42nd European Microwave Conference, EuMC 2012, 2012, s. 1055-1058.

[79]

J. Ala-Laurinaho et al., "TUMESA - MEMS tuneable metamaterials for smart wireless applications," i European Microwave Week 2012: "Space for Microwaves", EuMW 2012, Conference Proceedings - 7th European Microwave Integrated Circuits Conference, EuMIC 2012, 2012, s. 95-98.

[80]

G. E. H. Shhade et al., "Antenne à ondes de fuite à balayage angulaireà fréquence fixe à 77GHz," i 17èmes Journées Nationales Micro-ondes, 2011.

[81]

U. Shah, M. Sterner och J. Oberhammer, "Basic Concepts of Moving-Sidewall Tuneable Capacitors for RF MEMS Reconfigurable Filters," i 6th European Microwave Integrated Circuits (EuMIC) Conference, 2011, s. 526-529.

[82]

U. Shah, M. Sterner och J. Oberhammer, "Basic Concepts of Moving-Sidewall Tuneable Capacitors for RF MEMS Reconfigurable Filters," i 2011 41ST EUROPEAN MICROWAVE CONFERENCE, 2011, s. 1087-1090.

[83]

U. Shah et al., "MULTI-POSITION LARGE TUNING-RANGE DIGITALLY TUNEABLE CAPACITORS EMBEDDED IN 3D MICROMACHINED TRANSMISSION LINES," i IEEE 24th International Conference on Micro Electro Mechanical Systems (MEMS), 2011, 2011, s. 165-168.

[84]

U. Shah, M. Sterner och J. Oberhammer, "Quasi-Analog Multi-Step Tuning of Laterally-Moving Capacitive Elements Integrated in 3D MEMS Transmission Lines," i 12th International Symposium on RF MEMS and RF Microsystems, Athens, June 27-29, 2011, 2011.

[85]

U. Shah et al., "RF MEMS tuneable capacitors based on moveable sidewalls in 3D micromachined coplanar transmission lines," i Microwave Conference Proceedings (APMC), 2010 Asia-Pacific, 2010, s. 1821-1824.

Icke refereegranskade

Konferensbidrag

[86]

D. Dancila et al., "Leaky Wave Antenna at 300 GHz in KTH’s Micromachined Waveguide Technology," i AntennEMB Symposium 2018, 2018.

[87]

J. Campion et al., "Low-Loss Hollow and Silicon-Core Micromachined Waveguide Technologies Above 100 GHz," i GigaHertz Symposium 2018, Swedish Microwave Days 24-25 June, Lund, Sweden, 2018.

[88]

J. Oberhammer et al., "3D silicon micromachining – an enabling technology for high-performance millimeter and submillimeter-wave frequencies reconfigurable satellite front-ends," i 38th ESA Antenna Workshop on Innovative Antenna Systems and Technologies for Future Space Missions, 3-6 October 2017 Noordwijk, The Netherlands, 2017.

[89]

U. Shah, "RF MEMS in Competition with Semiconductor Technology," i 2015 International Symposium on VLSI Technology, Systems and Application (VLSI-TSA), 2015.

[90]

U. Shah, M. Sterner och J. Oberhammer, "RF MEMS RECONFIGURABLE FILTERS BASED ON MOVABLE SIDEWALLS OF A 3D MICROMACHINED TRANSMISSION LINE," i GigaHertz Symposium 2012, 2012.

[91]

U. Shah, M. Sterner och J. Oberhammer, "TUNEABLE DIRECTIONAL COUPLERS IN 3D MICROMACHINEDTRANSMISSION LINE FOR ULTRA-WIDEBAND APPLICATIONS," i GigaHertz Symposium 2012, 2012.

[92]

J. Oberhammer et al., "Microwave MEMS Activities at KTH- Royal Institute of Technology," i 8th Micronano System Workshop 2010 (MSW 2010). Stockholm, Sweden. May 4-5, 2010, 2010.

Kapitel i böcker

[93]

J. Oberhammer et al., "RF MEMS for automotive radar," i Handbook of Mems for Wireless and Mobile Applications, : Elsevier, 2013, s. 518-549.

[94]

J. Oberhammer et al., "RF MEMS for automotive radar sensors," i Mems for Automotive and Aerospace Applications, : Elsevier, 2013, s. 106-136.

[95]

J. Oberhammer et al., "RF MEMS for Automotive and Radar Applications : MEMS for Automotive and Radar Applications," i MEMS for Automotive and Radar Applications : RF MEMS for Automotive and Radar Applications, : Woodhead Publishing Limited, 2012.