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Microwave-to-optical quantum transducers will enable coherent interconnection between distant superconducting quantum devices. Ongoing explorations with several platforms have shown promising results at single-photon levels. However, in all…

Quantum Physics · Physics 2026-05-05 Ujjwal Gautam , Nasser Gohari Kamel , Sourabh Kumar , Daniel Oblak

A quantum interface between microwave and optical photons is essential for entangling remote superconducting quantum processors. To preserve fragile quantum states, a transducer must operate efficiently while generating less than one photon…

Quantum Physics · Physics 2024-06-06 Han Zhao , William David Chen , Abhishek Kejriwal , Mohammad Mirhosseini

Inter-qubit coupling and qubit connectivity in a processor are crucial for achieving high fidelity multi-qubit gates and efficient implementation of quantum algorithms. Typical superconducting processors employ relatively weak transverse…

Quantum Physics · Physics 2018-11-21 Tanay Roy , Madhavi Chand , Anirban Bhattacharjee , Sumeru Hazra , Suman Kundu , Kedar Damle , R. Vijay

We present a design for a superconducting, on-chip circulator composed of dynamically modulated transfer switches and delays. Design goals are set for the multiplexed readout of superconducting qubits. Simulations of the device show that it…

Quantum Physics · Physics 2019-04-24 Benjamin J. Chapman , Eric I. Rosenthal , K. W. Lehnert

Operational Amplifiers (Op-Amps) play a crucial role in the field of biomedical engineering, as they enable signal amplification and processing in various medical devices. With the increasing demand for portable and low-power biomedical…

Hardware Architecture · Computer Science 2023-09-12 Ayan Biswas , Supriya Dhabal , Palaniandavar Venkateswaran

In this paper, we propose and explore an experimentally viable scheme to realize tunable optomechanically induced transparency (OMIT) and optomechanically induced absorption (OMIA) phenomena in a hybrid microwave-optomechanical circuit in…

Quantum Physics · Physics 2025-08-26 S. Bayati , M. H. Naderi

For the first time the cumulative distribution function of the crossover frequency of a contemporary operational amplifier ADA4898-2 is experimentally studied. Using a USB Lock-In amplifier, which allows automatic frequency sweep of the…

Recording reliably extracellular neural activities isan essential prerequisite for the development of bioelectronicsand neuroprosthetic applications. Recently, a fully differential,2-stage, integrating pre-amplifier was proposed for…

Emerging Technologies · Computer Science 2020-09-22 Jiaqi Wang , Alexander Serb , Christos Papavassiliou , Sachin Maheshwari , Themistoklis Prodromakis

The paper presents a current tunable multifunction filter using current conveyor. The proposed circuit can be realized as on chip tunable low pass, high pass, band pass and elliptical notch filter. The circuit employs two current conveyors,…

Other Computer Science · Computer Science 2010-05-07 Manish Kumar , M. C. Srivastava , Umesh Kumar

Orthogonal frequency division multiplexing (OFDM) has been widely applied in current communication systems. The artificial intelligence (AI)-aided OFDM receivers are currently brought to the forefront to replace and improve the traditional…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Peiwen Jiang , Tianqi Wang , Bin Han , Xuanxuan Gao , Jing Zhang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Talkative power conversion is a switching ripple communication technique that integrates data modulation into a switched-mode power electronics converter, enabling simultaneous information transmission and power conversion. Despite numerous…

Systems and Control · Electrical Eng. & Systems 2025-04-17 Jan Mietzner , Cerikh Chakraborty , Peter A. Hoeher , Lutz Lampe

Coherent interconversion between microwave and optical frequencies can serve as both classical and quantum interfaces for computing, communication, and sensing. Here, we present a compact microwave-optical transducer based on monolithic…

We present an analytical framework to assess the link layer throughput of multichannel Opportunistic Spectrum Access (OSA) ad hoc networks. Specifically, we focus on analyzing various combinations of collaborative spectrum sensing and…

Networking and Internet Architecture · Computer Science 2012-11-30 Jihoon Park , Przemysław Pawełczak , Danijela Čabrić

This paper explores the transmission schemes for multi-channel water-to-air optical wireless communication (W2A-OWC) and introduces a prototype of a real-time W2A-OWC system based on a field-programmable gate array (FPGA). Utilizing an LED…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Han Qi , Tianrui Lin , Tianjian Wei , Qingqing Hu , Siyan Sun , Nuo Huang , Chen Gong

Non-orthogonal multiple access (NOMA) schemes have been proved to increase the multiple-access achievable rate with respect to orthogonal multiple access (OMA). In this paper we propose a novel communication system that combines multi-level…

Information Theory · Computer Science 2017-01-23 Beatrice Tomasi , Frédéric Gabry , Valerio Bioglio , Ingmar Land , Jean-Claude Belfiore

Circuits using superconducting single-photon detectors and Josephson junctions to perform signal reception, synaptic weighting, and integration are investigated. The circuits convert photon-detection events into flux quanta, the number of…

Millimeter-wave (mmWave) communication offers vast bandwidth for next-generation wireless systems but faces severe path loss, Doppler effects, and hardware impairments. Orthogonal Time Frequency Space (OTFS) modulation has emerged as a…

Signal Processing · Electrical Eng. & Systems 2025-11-12 Sabarinath Ramachandran , Venkatesh Khammammetti , Prasanthi Maddala , Narayan Mandayam , Ivan Seskar , Robert Calderbank

In this article we research about underwater acoustics transceivers. As Underwater acoustic transceivers consume more power than Radio frequency transceivers. The techniques which are being utilized in radio frequency cannot be implemented…

Signal Processing · Electrical Eng. & Systems 2020-07-03 Waleed Raza , Xuefei Ma , Amir Ali , Zubair Ali Shah , Ghazanfar Mehdi

We show operation of a silicon MEMS based narrow-band optical modulator with large modulation depth by improving the electro-mechanical transducer. We demonstrate an application of the narrowband optical modulator as both the filter and…

Optics · Physics 2011-10-11 Suresh Sridaran , Sunil A. Bhave

Atomic vapors offer many opportunities for manipulating electromagnetic signals across a broad range of the electromagnetic spectrum. Here, a microwave signal with an audio-frequency modulation encodes information in an optical signal by…

Quantum Physics · Physics 2020-05-01 A. Tretiakov , C. A. Potts , T. S. Lee , M. J. Thiessen , J. P. Davis , L. J. LeBlanc