Vessen Vassilev
Vessen Vassilev received M. Sc degrees in “Radio Communications” from the Sofia Technical University in ’95, and in “Digital Communications” from Chalmers University of Technology in ’98. In 2003 he received his PhD degree from the department of “Radio and Space Science” at Chalmers University. Between 1998 and 2008 he has been working with the development of mm-wave receivers for applications in radio astronomy and space sciences. Most notably among these instruments are the “facility instrument” of the Atacama Path Finder Experiment (APEX) telescope installed in the Chilean Atacama desert in 2008, and the 85-115 GHz receiver for the Onsala Space Observatory. Since 2008 he is with the Microwave Electronics Laboratory at the Department of Microtechnology and Nanoscience at Chalmers. His current interests are in the development mm-wavelength sensors based on Monolithic Microwave Integrated Circuit technologies. A sensor for remote measurement of moisture in thin paper layers, a total power radiometers for thermal imaging applications and a heterodyne radiometer for the Ozone line at 110.8 GHz are among the instruments he recently worked with. Vessen Vassilev authored 8 and co-authored 10 papers in refereed scientific journals, he also authored 12 and contributed to 36 conference papers.
Showing 106 publications
Road Surface Recognition at mm-Wavelengths Using a Polarimetric Radar
Dual-Polarised Radiometer for Road Surface Characterisation
G-band Frequency Converters in 130-nm InP DHBT Technology
G-band Power Amplifiers in 130 nm InP Technology
A 55-105 GHz PIN Diode SPDT Switch
Compact Low-Loss Chip-to-Waveguide and Chip-to-Chip Packaging Concept Using EBG Structures
Packaging Technique of Highly Integrated Circuits Based on EBG Structure for +100 GHz Applications
Road Surface Characterization Using a Radiometer at 100 GHz
D-band waveguide-to-microstrip transition implemented in eWLB packaging technology
Oil, water, and ice detection on road surfaces with a millimeter-wave radiometer
Nongalvanic Generic Packaging Solution Demonstrated in a Fully Integrated D-Band Receiver
A Directly Matched PA-Integrated K-band Antenna for Efficient mm-Wave High-Power Generation
Demonstration of +100-GHz Interconnects in eWLB Packaging Technology
A 90-140 GHz, High Power Frequency Source Packaged in a Self-aligned Waveguide Module
F-band Low-loss Tapered Slot Transition for Millimeter-wave System Packaging
A 143 GHz InP-based radio link characterized in long-term outdoor measurement
An E-band Compact Frequency Division Duplex Radio Front-end Based on Gap Waveguide Technology
A Low-loss D-band Chip-to-Waveguide Transition Using Unilateral Fin-line Structure
Spectrum Efficient D-band Communication Link for Real-time Multi-gigabit Wireless Transmission
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 110-170 GHz transceiver in 130 nm SiGe BiCMOS technology for FMCW applications
PCB Based UWB mm-Wave Smart Capped Bowtie Array for 5G Communication Systems
A Non-galvanic D-band MMIC-to-Waveguide Transition Using eWLB Packaging Technology
D-band Waveguide Transition Based on Linearly Tapered Slot Antenna
E-band 3-D metal printed wideband planar horn array antenna
Silicon Taper Based D-Band Chip to Waveguide Interconnect for Millimeter-Wave Systems
Wideband cavity-backed slot subarray with gap waveguide feed-network for D-band applications
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
Polymer Gap Adapter for Contactless, Robust, and Fast Measurements at 220-325 GHz
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
MICROMACHINED GAP WAVEGUIDE DEVICES FOR ABOVE 100 GHZ
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
140-220 GHz Imaging Front-end Based on 250 nm InP/InGaAs/InP DHBT Process
Multifunction low noise millimeterwave MMICs for remote sensing
H-band MMIC amplifiers in 250 nm InP DHBT
Micromachined Ridge Gap Waveguide and Resonator for Millimeter-Wave Applications
IMAGINE project - A low cost, high performance, monolithic passive mm-wave imager front-end
A varactor model including valanche noise source for VCOs phase noise simulation
Micromachined ridge gap waveguide for sub millimeter and millimeter wave applications
Integrated front-ends up to 200 GHz
Design of Micromachined Ridge Gap Waveguides for Millimeter-Wave Applications
MMIC-Based Components for MM-Wave Instrumentation
MMIC-based receivers for mm-wave radiometry
Superconducting IF biasing circuit for low-noise cryogenic applications
Integrated receivers up to 220 GHz utilizing GaAs-mHEMT technology
Terahertz Instrumentation For Radio Astronomy
On the status of Low Noise Millimeterwave MMIC Receivers
Optics Design and Verificatgion for the APEX Swedish Heterodyne Facility Instrument (SHeFI)
A Swedish heterodyne facility instrument for the APEX telescope
Low-Noise Cryogenic Amplifier built using Hybrid MMIC-like / TRL Technique
A method for detection of powder materials in metallic hollow structures using microwaves
ALMA Band 5 (163-211 GHz) Sideband Separating Mixer Design
A 0.5 THz Sideband Separation SIS Mixer for APEX Telescope
Optics Design and Verification for the APEX Swedish Heterodyne Facility Instrument (SHeFI)
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
Facility Heterodyne Receiver for the Atacama Pathfinder Experiment Telescope
A 211-275 GHz Sideband Separating SIS Mixer for APEX
A Vector Beam Measurement System for 211-275 GHz
A Vector Beam Measurement System for 211-275 GHz
A 279-381 GHz SIS Receiver for the APEX Telescope
Cryogenic LNA Characterization with SIS Junction as Noise Source
Design of a Sideband Separating Receiver for 500 GHz
Superconducting microstrip line model studies at millimetre and sub-milimetre waves
APEX: the Atacama Pathfinder EXperiment
A Novel Design of Broadband Waveguide Directional Couplers and 3-dB Hybrids
A 0.8 mm heterodyne facility receiver for the APEX telescope
A sideband separation SIS mixer for 275-370 GHz for the APEX telescope
A 385-500 GHz SIS Mixer for APEX Telescope
Heterodyne Single-Pixel Facility Instrumentation for APEX Telescope
Sideband Separating SIS Mixer with On-Substrate LO-Injection Circuitry
High Quality Microstrip Termination for MMIC and Millimeter-Wave Applications
A 275-370 GHz Receiver SIS Mixer With Novel Probe Structure
Performance of a Sideband Separating SIS Mixer for 85-115 GHz
A Sideband Separating Mixer for 85-115 GHz
A 275-370 GHz SIS Mixer for the APEX Telescope
High Performance of Resistive Thin-film Termination for Microstrip Lines
Design and Characterization of a Sideband Separating SIS Mixer for 85-115 GHz
Development of a Sideband Separating SIS Mixer Technology for MM-Wavelengths
Superconducting microstrip line models at millimeter and sub-millimeter waves and their comparison
Development of components for mm-wave radio astronomy instrumentation / Vessen V. Vassilev
A New 3 dB Power Divider for MM Wavelengths
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