Denis Meledin

2020

Waveguide-to-substrate transition based on unilateral substrateless finline structure: Design, fabrication, and characterization

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

Compact wideband passive and active component chips for radio astronomy instrumentation

A 1mM SIS receiver utilizing different intermediate frequency (IF) configurations

Specific capacitance of Nb/Al-AlN/Nb superconducting tunnel junctions

Compact cryogenic wide-band balanced amplifiers with superconducting 90° hybrids for the IF of submillimeter-wave SIS mixers

Improved bandwidth of a 2THz hot-electron bolometer heterodyne mixer fabricated on sapphire with a GaN buffer layer

Design and Implementation of a Broadband and Compact 90-degree Waveguide Twist with Simplified Layout

Characterization of GaN-based Low Noise Amplifiers at Cryogenic Temperatures

2018

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

Noise and IF Gain Bandwidth of a Balanced Waveguide NbN/GaN Hot Electron Bolometer Mixer Operating at 1.3 THz

2018

ALMA Band 5 receiver cartridge: Design, performance, and commissioning

2018

SEPIA - A new single pixel receiver at the APEX telescope

Effect of compositional interlayers on the vertical electrical conductivity of Si-doped AlN/GaN distributed Bragg reflectors grown on SiC''

2017

Specific Capacitance Dependence on the Specific Resistance in Nb/Al-AlOx/Nb Tunnel Junctions

2017

Wideband Planar Hybrid With Ultralow Amplitude Imbalance

2017

Gain bandwidth of NbN HEB mixers on GaN buffer layer operating at 2 THz local oscillator frequency

2017

Reduction of Phonon Escape Time for NbN Hot Electron Bolometers by Using GaN Buffer Layers

2017

Cryogenic IF Balanced LNAs Based on Superconducting Hybrids for Wideband 2SB THz receivers

2017

Design of a wideband balanced waveguide HEB mixer employing a GaN buffer-layer for the 1-1.5 THz band

2016

Broken-step Phenomenon in SIS Mixers

2016

Study of IF bandwidth of NbN hot electron bolometers on GaN buffer layer using a direct measurement method

Passive Circuits for Wideband Receiver Appliations

2016

Frequency Multiplier Based on Distributed Superconducting Tunnel Junctions: Theory, Design, and Characterization

2016

Ambient temperature growth of mono- and polycrystalline NbN nanofilms and their surface and composition analysis

2015

On Specific Capacitance of SIS Junctions

2015

Direct Measurement of Superconducting Tunnel Junction Capacitance

2015

Ambient temperature growth of mono- and polycrystalline NbN nanofilms and their rigorous composition and surface analysis

2014

Novel Waveguide 3 dB Hybrid With Improved Amplitude Imbalance

2014

Superconducting 4-8-GHz Hybrid Assembly for 2SB Cryogenic THz Receivers

2014

Deposition of high-quality ultra-thin NbN films at ambient temperatures

2014

Improved Quadrature RF Hybrid for 2SB and Balanced THz Receivers

2014

Epitaxial growth of ultra-thin NbN films on AlxGa1-xN buffer-layers

2013

Superconducting 4-8 GHz Hybrid Assembly for 2SB Cryogenic THz Receivers

2013

Ultra-thin film NbN depositions for HEB heterodyne mixer on Si-substrates

2012

Performance of the First ALMA Band 5 Production Cartridge

2011

Performance of the first ALMA Band 5 production cartridge

2011

Growth and characterization of epitaxial ultra-thin NbN films on 3C-SiC/Si substrate for terahertz applications

2011

Towards Multi-Pixel Heterodyne Terahertz Receivers

2011

A Technology Demonstrator for 1.6–2.0 THz Waveguide HEB Receiver with a Novel Mixer Layout

2011

Terahertz components packaging using integrated waveguide technology

2011

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

2008

A Swedish heterodyne facility instrument for the APEX telescope

All-metal micromachining for the fabrication of sub-millimetre and THz waveguide components and circuits

RF Performance of a 600-720 GHz Sideband-Separating Mixer with All-Copper Micromachined Waveguide Mixer Block

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

A 279-381 GHz SIS Receiver for the APEX Telescope

Balanced Waveguide HEB Mixer for APEX 1.3 THz Receiver

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