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Related papers: Lumped-element broadband SNAIL parametric amplifie…

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We present a lumped-element Josephson parametric amplifier designed to operate with strong coupling to the environment. In this regime, we observe broadband frequency dependent amplification with multi-peaked gain profiles. We account for…

Advancements in biomedical research have driven continuous innovations in sensing and diagnostic technologies. Among these, nanopore based single molecule sensing and sequencing is rapidly emerging as a powerful and versatile sensing…

Signal Processing · Electrical Eng. & Systems 2025-04-11 K. Ashoka Deepthi , Manoj Varma , Arup Polley

We have designed a tunable nonlinear resonator terminated by a SNAIL (Superconducting Nonlinear Asymmetric Inductive eLement). Such a device possesses a sweet spot in which the external magnetic flux allows to suppress the Kerr interaction.…

Quantum Physics · Physics 2022-10-19 Yong Lu , Marina Kudra , Timo Hillmann , Jiaying Yang , Hangxi Li , Fernando Quijandría , Per Delsing

Spins in semiconductor quantum dots hold great promise as building blocks of quantum processors. Trapping them in SiMOS transistor-like devices eases future industrial scale fabrication. Among the potentially scalable readout solutions,…

A quantum-limited amplifier enables the amplification of weak signals while introducing minimal noise dictated by the principles of quantum mechanics. These amplifiers serve a broad spectrum of applications in quantum computing, including…

Quantum Physics · Physics 2024-06-26 Abdul Mohamed , Elham Zohari , Jarryd J. Pla , Paul E. Barclay , Shabir Barzanjeh

Scaling superconducting quantum processors beyond single dilution refrigerators requires efficient optical interconnects, yet integrating microwave-to-optical (M2O) transducers poses challenges due to frequency mismatches and qubit…

A Low-Power Variable Gain (VG) mm-Wave Low Noise Amplifier (LNA) is designed and simulated in a 28-nm CMOS process. The LNA utilizes a simple, yet novel, technique presented in this paper to vary the small-signal output resistance to…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Harshith Reddy , Pankaj Arora

We report on the noise of a lumped element Direct Current Superconducting Quantum Interference Device amplifier. We show that the noise temperature in the 4 GHz-8 GHz range over ranges of 10's of MHz is below 1 kelvin (three photons of…

Superconductivity · Physics 2015-05-20 Lafe Spietz , Kent Irwin , Minhyea Lee , Jose Aumentado

We demonstrate a high dynamic range Josephson parametric amplifier (JPA) in which the active nonlinear element is implemented using an array of rf-SQUIDs. The device is matched to the 50 $\Omega$ environment with a Klopfenstein-taper…

Quantum Physics · Physics 2023-01-04 T. C. White , Alex Opremcak , George Sterling , Alexander Korotkov , Daniel Sank , Rajeev Acharya , Markus Ansmann , Frank Arute , Kunal Arya , Joseph C. Bardin , Andreas Bengtsson , Alexandre Bourassa , Jenna Bovaird , Leon Brill , Bob B. Buckley , David A. Buell , Tim Burger , Brian Burkett , Nicholas Bushnell , Zijun Chen , Ben Chiaro , Josh Cogan , Roberto Collins , Alexander L. Crook , Ben Curtin , Sean Demura , Andrew Dunsworth , Catherine Erickson , Reza Fatemi , Leslie Flores-Burgos , Ebrahim Forati , Brooks Foxen , William Giang , Marissa Giustina , Alejandro Grajales Dau , Michael C. Hamilton , Sean D. Harrington , Jeremy Hilton , Markus Hoffmann , Sabrina Hong , Trent Huang , Ashley Huff , Justin Iveland , Evan Jeffrey , Márika Kieferová , Seon Kim , Paul V. Klimov , Fedor Kostritsa , John Mark Kreikebaum , David Landhuis , Pavel Laptev , Lily Laws , Kenny Lee , Brian J. Lester , Alexander Lill , Wayne Liu , Aditya Locharla , Erik Lucero , Trevor McCourt , Matt McEwen , Xiao Mi , Kevin C. Miao , Shirin Montazeri , Alexis Morvan , Matthew Neeley , Charles Neill , Ani Nersisyan , Jiun How Ng , Anthony Nguyen , Murray Nguyen , Rebecca Potter , Chris Quintana , Pedram Roushan , Kannan Sankaragomathi , Kevin J. Satzinger , Christopher Schuster , Michael J. Shearn , Aaron Shorter , Vladimir Shvarts , Jindra Skruzny , W. Clarke Smith , Marco Szalay , Alfredo Torres , Bryan Woo , Z. Jamie Yao , Ping Yeh , Juhwan Yoo , Grayson Young , Ningfeng Zhu , Nicholas Zobrist , Yu Chen , Anthony Megrant , Julian Kelly , Ofer Naaman

Quantum optical technologies promise advances in sensing, computing, and communication. A key resource is squeezed light, where quantum noise is redistributed between optical quadratures. We introduce a monolithic, chip-scale platform that…

The performance of pixel modules built from 75 micrometer thin silicon sensors and ATLAS read-out chips employing the Solid Liquid InterDiffusion (SLID) interconnection technology is presented. This technology, developed by the Fraunhofer…

Instrumentation and Detectors · Physics 2014-07-30 L. Andricek , M. Beimforde , A. Macchiolo , H-G. Moser , R. Nisius , R. H. Richter , S. Terzo , P. Weigell

A parametric amplifier is in essence a linear four-port device, which couples and linearly mixes two inputs before amplifying and sending them to two output ports. Here, we show that for quadrature-phase amplitudes, a parametric amplifier…

Quantum Physics · Physics 2020-09-23 Xin Chen , Z. Y. Ou

We present experimental results on a Josephson parametric amplifier tailored for readout of ultra-sensitive thermal microwave detectors. In particular, we discuss the impact of fabrication details on the performance. We show that the small…

We experimentally demonstrate a broadband, fabrication tolerant, CMOS compatible compact silicon waveguide taper (34.2 um) in silicon-on-insulator wire waveguides. The taper works on multi-mode interference along the length of the taper. A…

Applied Physics · Physics 2020-01-01 Purnima Sethi , Shankar Kumar Selvaraja

We demonstrate sub-picosecond wavelength conversion in the C-band via four wave mixing in a 45cm long high index doped silica spiral waveguide. We achieve an on/off conversion efficiency (signal to idler) of +16.5dB as well as a parametric…

Optics · Physics 2017-05-31 A. Pasquazi , M. Peccianti , M. Lamont , R. Morandotti , B. E Little , S. Chu , D. J Moss

Recent demonstrations of squeezing generation using Traveling Wave Parametric Amplifiers (TWPAs) have opened the way for the application of broadband microwave squeezing in quantum sensing, quantum-enhanced detection, and…

Superconducting traveling-wave parametric amplifiers have emerged as highly promising devices for near-quantum-limited broadband amplification of microwave signals and are essential for high quantum-efficiency microwave readout lines.…

In high-performance RF transceivers the thrust of has been on lower noise LNAs and high-power high-speed PAs. The performance trade-off has forced many solutions to have the LNA and PA on a separate die compared to the rest of baseband.…

Signal Processing · Electrical Eng. & Systems 2022-03-29 Debopam Banerjee

The Silicon Electron Multiplier (SiEM) is a novel sensor concept for minimum ionizing particle (MIP) detection which uses internal gain and fine pitch to achieve excellent temporal and spatial resolution. In contrast to sensors where the…

Instrumentation and Detectors · Physics 2022-09-16 Marius Mæhlum Halvorsen , Victor Coco , Evangelos Leonidas Gkougkousis , Paula Collins , Olivier Girard

Large-scale superconducting quantum computers require massive numbers of high-performance cryogenic low-noise amplifiers (cryo-LNA) for qubit readout. Here we present a C-Band monolithic microwave integrated circuit (MMIC) cryo-LNA for this…

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