Denis Meledin

Visar 81 publikationer
Noise Characterization and Modeling of GaN-HEMTs at Cryogenic Temperatures
GaN HEMT with superconducting Nb gates for low noise cryogenic applications
A Cryogenic Scalable Small-Signal & Noise Model of GaN HEMTs
Wideband Slotline-to-Microstrip Transition for 210-375 GHz based on Marchand Baluns
SEPIA345: A 345 GHz dual polarization heterodyne receiver channel for SEPIA at the APEX telescope
Millimeter-Wave Wideband Waveguide Power Divider with Improved Isolation between Output Ports
Design and Implementation of a Compact 90 degrees Waveguide Twist With Machining Tolerant Layout
Broadband Waveguide-to-Substrate Transition Using a Unilateral Etched Finline Structure
New optics for SEPIA- Heterodyne facility instrument for the APEX telescope
A 1mM SIS receiver utilizing different intermediate frequency (IF) configurations
Compact wideband passive and active component chips for radio astronomy instrumentation
Specific capacitance of Nb/Al-AlN/Nb superconducting tunnel junctions
Characterization of GaN-based Low Noise Amplifiers at Cryogenic Temperatures
Suspended GaN beams and membranes on Si as a platform for waveguide-based THz applications
Wideband passive circuits for sideband separating receivers
Noise performance of a balanced waveguide NbN HEB mixer utilizing a GaN buffer-layer at 1.3 THz
ALMA Band 5 receiver cartridge: Design, performance, and commissioning
SEPIA - A new single pixel receiver at the APEX telescope
Specific Capacitance Dependence on the Specific Resistance in Nb/Al-AlOx/Nb Tunnel Junctions
Wideband Planar Hybrid With Ultralow Amplitude Imbalance
Reduction of Phonon Escape Time for NbN Hot Electron Bolometers by Using GaN Buffer Layers
Gain bandwidth of NbN HEB mixers on GaN buffer layer operating at 2 THz local oscillator frequency
Cryogenic IF Balanced LNAs Based on Superconducting Hybrids for Wideband 2SB THz receivers
Broken-step Phenomenon in SIS Mixers
Passive Circuits for Wideband Receiver Appliations
On Specific Capacitance of SIS Junctions
Direct Measurement of Superconducting Tunnel Junction Capacitance
Novel Waveguide 3 dB Hybrid With Improved Amplitude Imbalance
Superconducting 4-8-GHz Hybrid Assembly for 2SB Cryogenic THz Receivers
Deposition of high-quality ultra-thin NbN films at ambient temperatures
Improved Quadrature RF Hybrid for 2SB and Balanced THz Receivers
Epitaxial growth of ultra-thin NbN films on AlxGa1-xN buffer-layers
Superconducting 4-8 GHz Hybrid Assembly for 2SB Cryogenic THz Receivers
Ultra-thin film NbN depositions for HEB heterodyne mixer on Si-substrates
Performance of the First ALMA Band 5 Production Cartridge
Performance of the first ALMA Band 5 production cartridge
Towards Multi-Pixel Heterodyne Terahertz Receivers
A Technology Demonstrator for 1.6–2.0 THz Waveguide HEB Receiver with a Novel Mixer Layout
Terahertz components packaging using integrated waveguide technology
Waveguide Packaging Technology for THz Components and Systems
ALMA band 5 cartridge performance
Design and performance of ALMA band 5 receiver cartridge
Design and Performance of ALMA Band 5 Receiver Components
Advanced Technologies for Radio Astronomy Instrumentation
Integrated Setup for THz Receiver Characterization
Modeling SIS junction arrays for APEX band 3 (385-500 GHz)
Prototype ALMA Band 5 Cartridge:Design and Performance
Terahertz Instrumentation For Radio Astronomy
Optics Design and Verificatgion for the APEX Swedish Heterodyne Facility Instrument (SHeFI)
A 1.3-THz Balanced Waveguide HEB Mixer for the APEX Telescope
A Swedish heterodyne facility instrument for the APEX telescope
Microfabrication Technology for All-Metal Sub-mm and THz Waveguide Receiver Components
A 0.5 THz Sideband Separation SIS Mixer for APEX Telescope
Optics Design and Verification for the APEX Swedish Heterodyne Facility Instrument (SHeFI)
APEX Band T2: A 1.25 – 1.39 THz Waveguide Balanced HEB Receiver
Facility Heterodyne Receiver for the Atacama Pathfinder Experiment Telescope
Balanced Waveguide HEB Mixer for APEX 1.3 THz Receiver
A 279-381 GHz SIS Receiver for the APEX Telescope
A 0.8 mm heterodyne facility receiver for the APEX telescope
Heterodyne Single-Pixel Facility Instrumentation for APEX Telescope
Three-level Silicon Micromachining For 1.3 THz APEX Receiver Waveguide Components
Micromachining Approach in Fabricating of THz Waveguide Components
Design of a Balanced Waveguide HEB Mixer for APEX 1.32 THz Receiver
Micromachining Approach in Fabricating of THz Waveguide Components
Waveguide Components Development for APEX 1.32 THz Receiver
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