OOIR: Observatory of International Research

Papers

(The TQCC of IEEE Transactions on Terahertz Science and Technology is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-05-01 to 2024-05-01.)

Article	Citations
Terahertz Communications: Challenges in the Next Decade	106
Properties and Sensing Performance of All-Dielectric Metasurface THz Absorbers	61
A D-Band Manifold Triplexer With High Isolation Utilizing Novel Waveguide Dual-Mode Filters	54
Characteristics of Effective-Medium-Clad Dielectric Waveguides	46
A D-Band 3D-Printed Antenna	41
InP-Based THz Beam Steering Leaky-Wave Antenna	40
Broadband 300-GHz Power Amplifier MMICs in InGaAs mHEMT Technology	39
Miniaturized SIW Bandpass Filter Based on TSV Technology for THz Applications	38
Wideband Multimode Leaky-Wave Feed for Scanning Lens-Phased Array at Submillimeter Wavelengths	31
Reflective Single-Pixel Terahertz Imaging Based on Compressed Sensing	30
A 250-GHz Differential SiGe Amplifier With 21.5-dB Gain for Sub-THz Transmitters	27
A 300-GHz Wireless Link Employing a Photonic Transmitter and an Active Electronic Receiver With a Transmission Bandwidth of 54 GHz	26
A High-Power Terahertz Source Over 10 mW at 0.45 THz Using an Active Antenna Array With Integrated Patch Antennas and Resonant-Tunneling Diodes	26
Hollow Core Inhibited Coupled Antiresonant Terahertz Fiber: A Numerical and Experimental Study	25
Orbital Angular Momentum (OAM) Mode-Reconfigurable Discrete Dielectric Lens Operating at 300 GHz	25
Design, Fabrication, and Cold Test of a High Frequency System for an H-Band Sheet Beam Travelling Wave Tube	24
Sub-Terahertz High-Sensitivity High-Resolution Molecular Spectroscopy With a Gyrotron	24
Resonant Tunneling Diodes High-Speed Terahertz Wireless Communications - A Review	24
Wideband Double Leaky Slot Lens Antennas in CMOS Technology at Submillimeter Wavelengths	23
Material Measurements Using VNA-Based Material Characterization Kits Subject to Thru-Reflect-Line Calibration	22
Phase Function Effects on Identification of Terahertz Spectral Signatures Using the Discrete Wavelet Transform	21
Highly Tunable Heterodyne Sub-THz Wireless Link Entirely Based on Optoelectronics	21
Frequency-Selective-Surface-Based Mechanically Reconfigurable Terahertz Bandpass Filter	20
A 250–310 GHz Power Amplifier With 15-dB Peak Gain in 130-nm SiGe BiCMOS Process for Terahertz Wireless System	20
Beam Profiling of a Commercial Lens-Assisted Terahertz Time Domain Spectrometer	20

High-Q THz Photonic Crystal Cavity on a Low-Loss Suspended Silicon Platform	20
Quantitative Determination of Porosity in Thermal Barrier Coatings Using Terahertz Reflectance Spectrum: Case Study of Atmospheric-Plasma-Sprayed YSZ Coatings	20
Terahertz Switchable Focusing Planar Lens With a Nanoscale Vanadium Dioxide Integrated Metasurface	20
Importance and Requirement of Frequency Band Specific RF Probes EM Models in Sub-THz and THz Measurements up to 500 GHz	19
Complex Permittivity Measurement of Dielectric Substrate in Sub-THz Range	19
Terahertz Beam Steering Based on Trajectory Deflection in Dielectric-Free Luneburg Lens	19
Secure Communication Channels Using Atmosphere-Limited Line-of-Sight Terahertz Links	18
A Simplified Nicolson–Ross–Weir Method for Material Characterization Using Single-Port Measurements	18
Classification for Glucose and Lactose Terahertz Spectrums Based on SVM and DNN Methods	18
Terahertz Band-Pass Filters for Wideband Superconducting On-Chip Filter-Bank Spectrometers	17
A 3.5-THz, ×6-Harmonic, Single-Ended Schottky Diode Mixer for Frequency Stabilization of Quantum-Cascade Lasers	16
Terahertz Dielectric Spectroscopy Based Thermal Aging Analysis of Polypropylene	15
Terahertz Spectroscope Using CMOS Camera and Dispersive Optics	15
Application of Machine Learning to Terahertz Spectroscopic Imaging of Reagents Hidden By Thick Shielding Materials	15
Analysis of Intermolecular Weak Interactions and Vibrational Characteristics for Vanillin and Ortho-Vanillin by Terahertz Spectroscopy and Density Functional Theory	15
A 400-GHz Low Cost Planar Leaky-Wave Antenna With Low Sidelobe Level and Low Cross-Polarization Level	15
Millimeter-Wave Wideband Waveguide Power Divider With Improved Isolation Between Output Ports	14
High-Performance Wideband Double-Ridged Waveguide OMT for the 275–500 GHz Band	14
Terahertz Metamaterial Optoelectronic Modulators With GHz Reconfiguration Speed	14
Quasioptical System for Corneal Sensing at 220–330 GHz: Design, Evaluation, and Ex Vivo Cornea Parameter Extraction	14
Broadband Sensing Around 1 THz Via a Novel Biquad-Antenna-Coupled Low-NEP Detector in CMOS	14
Nongalvanic Generic Packaging Solution Demonstrated in a Fully Integrated D-Band Receiver	13
124.8-Gbit/s PS-256QAM Signal Wireless Delivery Over 104 m in a Photonics-Aided Terahertz-Wave System	13
A 3-D Printed 300 GHz Waveguide Cavity Filter by Micro Laser Sintering	13
A 670 GHz Integrated InP HEMT Direct-Detection Receiver for the Tropospheric Water and Cloud Ice Instrument	13
A Focusing Circular-Polarization THz Beam Splitter Based on a Self-Complementary Metasurface	12
Deep Learning Optimized Terahertz Single-Pixel Imaging	12
A Linear-Array of 300-GHz Antenna Integrated GFET Detectors on a Flexible Substrate	12
Direct Chip-to-Waveguide Transition Realized With Wire Bonding for 140–220 GHz G-Band	12
Broadband 400-GHz InGaAs mHEMT Transmitter and Receiver S-MMICs	11
Terahertz PHASR Scanner With 2 kHz, 100 ps Time-Domain Trace Acquisition Rate and an Extended Field-of-View Based on a Heliostat Design	11
Terahertz Time-Domain Spectroscopy of Low-Concentration N₂O Using Long-Range Multipass Gas Cell	11
A Low-Loss Silicon MEMS Phase Shifter Operating in the 550-GHz Band	11
150-GHz CMOS TX/RX With Digitally Predistorted PAM-4 Modulation for Terahertz Contactless/Plastic Waveguide Communications	11
The Radiation Beamline of Novosibirsk Free-Electron Laser Facility Operating in Terahertz, Far-Infrared, and Mid-Infrared Ranges	11
Strain-Induced InGaAs-Based Photoconductive Terahertz Antenna Detector	11
Design and Analysis of the Staggered Double Grating Slow Wave Circuit for 263 GHz Sheet Beam TWT	11
Extraction of Thickness and Water-Content Gradients in Hydrogel-Based Water-Backed Corneal Phantoms Via Submillimeter-Wave Reflectometry	11
A 1.42-mm² 0.45–0.49 THz Monostatic FMCW Radar Transceiver in 90-nm SiGe BiCMOS	11
The Sub-THz Emission of the Human Body Under Physiological Stress	11
350-GHz Bandpass Filters Using Superconducting Coplanar Waveguide	10
The High-Order Coalesced TM₁₁-Like Mode Operation for 220 GHz Sheet Beam Traveling-Wave Tube	10
A Compact Superconducting Heterodyne Focal Plane Array Implemented With HPI (Hybrid Planar Integration) Scheme	10
Study of Phase Error Reconstruction and Motion Compensation for Terahertz SAR With Sparsity-Promoting Parameter Estimation	10
Two-Dimensional Terahertz Beam Steering Based on Trajectory Deflection of Leaky-Mode	9
180-GHz Pulsed CMOS Transmitter for Molecular Sensing	9
Contactless RF Probe Interconnect Technology Enabling Broadband Testing to the Terahertz Range	9
692 GHz High-Efficiency Compact-Size InP-Based Fundamental RTD Oscillator	9
Investigation of the Alignment Method for High-Frequency Gyrotrons	9
Silicon Dielectric Diplexer Module for 600-GHz-Band Frequency-Division Multiplexing Wireless Communication	9

Investigating the Layer Structure and Insect Tunneling on a Wooden Putto Using Robotic-Based THz Tomography	9
A Reliable Method for Removing Fabry–Perot Effect in Material Characterization With Terahertz Time-Domain Spectroscopy	9
Bifunctional Terahertz Metasurface for Transmissive Broadband Linear-to-Circular and Linear Polarization Conversion	9
4GREAT—A Four-Color Receiver for High-Resolution Airborne Terahertz Spectroscopy	9
A Tunable Unidirectional Source for GUSTO’s Local Oscillator at 4.74 THz	9
A Compact 281–319 GHz Low-Power Downconverter MMIC for Superheterodyne Communication Receivers	9
Compact Triangular-Cavity Singlet-Based Filters in Stackable Multilayer Technologies	9
Design and Microfabrication of an Interaction Circuit for a 0.3-THz Sheet Beam Extended Interaction Oscillator With Multiple-Mode Operation	9
Submillimeter-Wave Permittivity Measurements of Bound Water in Collagen Hydrogels via Frequency Domain Spectroscopy	8
A Zero Bias J-Band Antenna-Coupled Detector in 65-nm CMOS	8
Sensitivity Analysis of a 280–312 GHz Superheterodyne Terahertz Link Targeting IEEE802.15.3d Applications	8
A Passive, Fully Staring THz Video Camera Based on Kinetic Inductance Bolometer Arrays	8
Guided Reflectometry Imaging Unit Using Millimeter Wave FMCW Radars	8
Quasi-Optical Sub-THz Circular Dichroism Spectroscopy of Solvated Myoglobin	8
Removing Water Vapor Lines From THz-TDS Data Using Neural Networks	8
A 273.5–312-GHz Signal Source With 2.3 dBm Peak Output Power in a 130-nm SiGe BiCMOS Process	8
H-Band Quartz-Silicon Leaky-Wave Lens With Air-Bridge Interconnect to GaAs Front-End	8
A 3D-Printed Subterahertz Metallic Surface-Wave Luneburg Lens Multibeam Antenna	8
Terahertz Channel Characterization Using a Broadband Frequency Comb Radiator in 130-Nm SiGe BiCMOS	8
Antenna-Coupled Graphene Field-Effect Transistors as a Terahertz Imaging Array	7
Wideband Modeling of CMOS Schottky Barrier Diode Detectors for THz Radiometry	7
Advanced Statistical Techniques for Noninvasive Hyperglycemic States Detection in Mice Using Millimeter-Wave Spectroscopy	7
In Situ Hilbert-Transform Spectral Analysis of Pulsed Terahertz Radiation of Quantum Cascade Lasers by High-T_c Josephson Junctions	7
Multifrequency Heterodyne Detection of Molecules Using a Hot Electron Bolometer Mixer pumped by Two Phase-Locked THz-Quantum Cascade Lasers	7
Capacitively-Coupled Resonators for Terahertz Planar-Goubau-Line Filters	7
Impact of the Structural Parameters on the Photoresponse of Terahertz Blocked-Impurity-Band Detectors With Planar Structure	7
Silicon Integrated Subharmonic Mixer on a Photonic-Crystal Platform	7
Sub-Millimeter-Wave Polarization-Independent Spatial Power Divider for a Two-Port Dual-Polarized Antenna	7
A Silicon Chip-Based Waveguide Directional Coupler for Terahertz Applications	6
Sub-Terahertz 3-D Printed All-Dielectric Low-Cost Low-Profile Lens-Integrated Polarization Beam Splitter	6
A 300 GHz Push-Push Coupling VCO Employing T-Embedded Network in CMOS Technology	6
Nonlinear Optical Up-Conversion in Terahertz Parametric Process: Simulation and Experiment	6
125 GHz Frequency Doubler Using a Waveguide Cavity Produced by Stereolithography	6
Absorption-Mode Splitting of Terahertz Metamaterial Mediated by Coupling of Spoof Surface Plasmon Polariton	6
Quantification Analysis of Progesterone Based on Terahertz Spectroscopy	6
Fundamental Performance Limits on Terahertz Wireless Links Imposed by Group Velocity Dispersion	6
Broadband Lens-Integrated CMOS Camera-Type THz Compact Antenna Test Range	6
Time-Domain Terahertz Imaging of Layered Dielectric Structures With Interferometry-Enhanced Sensitivity	6
Bias-Dependent Carrier Dynamics and Terahertz Performance of ErAs:In(Al)GaAs Photoconductors	6
Accurate S-Parameter Modeling and Material Characterization in Quasi-Optical Systems	6
A Novel 1/f Noise Mitigation Technique Applied to a 670 GHz Receiver	6
The Coming Age of Pnictide and Chalcogenide Ternary Crystals in the Terahertz Frequency Regime	5
Wideband End-Wall Transition From Microstrip to Waveguide With via-Less Choke Structure for Terahertz Application	5
Ultrafast Photoexcited-Carrier Behavior Induced by Hydrogen Ion Irradiation of a Cu(In,Ga)Se₂ Thin Film in the Terahertz Region	5
Three-Dimensional Surface Reconstruction of Space Targets Using a Terahertz MIMO Linear Array Based on Multilayer Wideband Frequency Interferometry Techniques	5
300-GHz InP HBT Quadrature VCO With Integrated Mixer	5
Comparing Standardized and Manufacturers’ Interfaces for Waveguides Used at Submillimeter Wavelengths	5
Waveguide-to-Substrate Transition Based on Unilateral Substrateless Finline Structure: Design, Fabrication, and Characterization	5
Collector Series-Resistor to Stabilize a Broadband 400 GHz Common-Base Amplifier	5
Resolution Limits of Hyper-Hemispherical Silicon Lens-Integrated THz Cameras Employing Geometrical Multiframe Super-Resolution Imaging	5
In Situ Cell Detection Using Terahertz Near-Field Microscopy	5
426-GHz Concurrent Transceiver Pixel in 65-nm CMOS for Active Imaging	5
Quantum Limited SIS Receiver Technology for the Detection of Water Isotopologue Emission From Comets	5
High-Resolution Terahertz Spectroscopy for Investigation of Energetic Materials During Their Thermal Decomposition	5
Transmission, Reflection, and Scattering Characterization of Building Materials for Indoor THz Communications	5
High Accuracy Pointing for Quasi-Optical THz Mixer Arrays	5
Terahertz Slot Dielectric Waveguide Implemented on the Silicon-BCB-Quartz Platform	5
Limitations of Output Power and Efficiency of Simple Resonant-Tunneling-Diode Oscillators	5
Developing Industry-Level Terahertz Imaging Resolution Using Mathematical Model	5
Effects of Diffuse and Specular Reflections on Detecting Embedded Defects of Foams With a Bifocal Active Imaging System at 0.22 THz	5
Microresonator Frequency Reference for Terahertz Precision Sensing and Metrology	5
Adaptive Subaperture Integration for Wide-Angle Synthetic Aperture Radar	5
Optical Spectrometer With a Pulse-to-Pulse Resolution for Terahertz and mm-Wave Signals	5
Terahertz Chiral Metasurface for Dual-Band Spin-Selective Absorption With Strong Circular Dichroism	5
Compact 480-GHz Radiometer Calibration Unit With Specular Reflection Absorber for Atmospheric Remote Sensor On-Board Microsatellite	5