Vessen Vassilev
Showing 113 publications
Road Surface Characterization Using a 77-81 GHz Polarimetric Radar
Wideband Reflection-Type p-i-n Diode Phase Shifters in GaAs MMIC Technology at W-Band
Integrating InP MMICs and Silicon Micromachined Waveguides for sub-THz Systems
Substrate-Less Vertical Chip-to-Waveguide Transition for W-Band Array Antenna Integration
Multilayer Dry Film Photoresist Fabrication of a Robust >100 GHz Gap Waveguide Slot Array Antenna
Dual-Polarised Radiometer for Road Surface Characterisation
Road Surface Recognition at mm-Wavelengths Using a Polarimetric Radar
G-band Power Amplifiers in 130 nm InP Technology
Compact Low-Loss Chip-to-Waveguide and Chip-to-Chip Packaging Concept Using EBG Structures
A 55-105 GHz PIN Diode SPDT Switch
G-band Frequency Converters in 130-nm InP DHBT Technology
D-band waveguide-to-microstrip transition implemented in eWLB packaging technology
Packaging Technique of Highly Integrated Circuits Based on EBG Structure for +100 GHz Applications
Oil, water, and ice detection on road surfaces with a millimeter-wave radiometer
Road Surface Characterization Using a Radiometer at 100 GHz
Nongalvanic Generic Packaging Solution Demonstrated in a Fully Integrated D-Band Receiver
Demonstration of +100-GHz Interconnects in eWLB Packaging Technology
A Directly Matched PA-Integrated K-band Antenna for Efficient mm-Wave High-Power Generation
F-band Low-loss Tapered Slot Transition for Millimeter-wave System Packaging
An E-band Compact Frequency Division Duplex Radio Front-end Based on Gap Waveguide Technology
A 90-140 GHz, High Power Frequency Source Packaged in a Self-aligned Waveguide Module
PCB Based UWB mm-Wave Smart Capped Bowtie Array for 5G Communication Systems
Spectrum Efficient D-band Communication Link for Real-time Multi-gigabit Wireless Transmission
A 110-170 GHz transceiver in 130 nm SiGe BiCMOS technology for FMCW applications
A Low-loss D-band Chip-to-Waveguide Transition Using Unilateral Fin-line Structure
A +14.2 dBm, 90–140 GHz Wideband Frequency Tripler in 250-nm InP DHBT Technology
Bandwidth Investigation on Half-Height Pin in Ridge Gap Waveguide
A 143 GHz InP-based radio link characterized in long-term outdoor measurement
A Non-galvanic D-band MMIC-to-Waveguide Transition Using eWLB Packaging Technology
E-band 3-D metal printed wideband planar horn array antenna
Wideband cavity-backed slot subarray with gap waveguide feed-network for D-band applications
Silicon Taper Based D-Band Chip to Waveguide Interconnect for Millimeter-Wave Systems
D-band Waveguide Transition Based on Linearly Tapered Slot Antenna
Polymer Gap Adapter for Contactless, Robust, and Fast Measurements at 220-325 GHz
A compact receiver system for simultaneous measurements of mesospheric CO and O3
A multi-layer gap waveguide array antenna suitable for manufactured by die-sink EDM
AMC pin waveguide flange for screw redundant millimeter and submillimeter measurements
A mm-Wave Sensor for Remote Measurement of Moisture in Thin Paper Layers
A 110-170-GHz Multi-Mode Transconductance Mixer in 250-nm InP DHBT Technology
Imaging front-end for thermal detection using an InP DHBT process
Design and Characterization of H-Band (220-325 GHz) Amplifiers in a 250-nm InP DHBT Technology
MICROMACHINED GAP WAVEGUIDE DEVICES FOR ABOVE 100 GHZ
140-220 GHz Imaging Front-end Based on 250 nm InP/InGaAs/InP DHBT Process
Micromachined Ridge Gap Waveguide and Resonator for Millimeter-Wave Applications
Multifunction low noise millimeterwave MMICs for remote sensing
IMAGINE project - A low cost, high performance, monolithic passive mm-wave imager front-end
H-band MMIC amplifiers in 250 nm InP DHBT
Micromachined ridge gap waveguide for sub millimeter and millimeter wave applications
A varactor model including valanche noise source for VCOs phase noise simulation
Design of Micromachined Ridge Gap Waveguides for Millimeter-Wave Applications
Integrated front-ends up to 200 GHz
MMIC-Based Components for MM-Wave Instrumentation
MMIC-based receivers for mm-wave radiometry
Superconducting IF biasing circuit for low-noise cryogenic applications
Terahertz Instrumentation For Radio Astronomy
On the status of Low Noise Millimeterwave MMIC Receivers
Integrated receivers up to 220 GHz utilizing GaAs-mHEMT technology
Optics Design and Verificatgion for the APEX Swedish Heterodyne Facility Instrument (SHeFI)
A Swedish heterodyne facility instrument for the APEX telescope
Optics Design and Verification for the APEX Swedish Heterodyne Facility Instrument (SHeFI)
Low-Noise Cryogenic Amplifier built using Hybrid MMIC-like / TRL Technique
ALMA Band 5 (163-211 GHz) Sideband Separating Mixer Design
Design and Characterization of a 211-275 GHz Sideband Separating Mixer for the APEX Telescope
ALMA Band 5 (163-211 GHz) sideband separation mixer design
A method for detection of powder materials in metallic hollow structures using microwaves
A 0.5 THz Sideband Separation SIS Mixer for APEX Telescope
A 211-275 GHz Sideband Separating SIS Mixer for APEX
Facility Heterodyne Receiver for the Atacama Pathfinder Experiment Telescope
A sideband separation SIS mixer for 275-370 GHz for the APEX telescope
Superconducting microstrip line model studies at millimetre and sub-milimetre waves
A 385-500 GHz SIS Mixer for APEX Telescope
APEX - The Atacama Pathfinder Experiment
Design of a Sideband Separating Receiver for 500 GHz
A 0.8 mm heterodyne facility receiver for the APEX telescope
A 279-381 GHz SIS Receiver for the APEX Telescope
Cryogenic LNA Characterization with SIS Junction as Noise Source
A Novel Design of Broadband Waveguide Directional Couplers and 3-dB Hybrids
A Vector Beam Measurement System for 211-275 GHz
Heterodyne Single-Pixel Facility Instrumentation for APEX Telescope
Sideband Separating SIS Mixer with On-Substrate LO-Injection Circuitry
A Vector Beam Measurement System for 211-275 GHz
High Quality Microstrip Termination for MMIC and Millimeter-Wave Applications
A 275-370 GHz Receiver SIS Mixer With Novel Probe Structure
A Sideband Separating Mixer for 85-115 GHz
High Performance of Resistive Thin-film Termination for Microstrip Lines
Performance of a Sideband Separating SIS Mixer for 85-115 GHz
Design and Characterization of a Sideband Separating SIS Mixer for 85-115 GHz
A 275-370 GHz SIS Mixer for the APEX Telescope
Superconducting microstrip line models at millimeter and sub-millimeter waves and their comparison
Development of a Sideband Separating SIS Mixer Technology for MM-Wavelengths
A New 3 dB Power Divider for MM Wavelengths
Development of components for mm-wave radio astronomy instrumentation / Vessen V. Vassilev
Design and Performance of a 3.4 to 4.6 GHz Active Equalizer with Controlled Gain Slope
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Showing 4 research projects
Antenna technologies for beyond 5G Wireless Communication
Cost-Effective Receivers for Sensing Beyond 100 GHz