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We demonstrate accurate single-qubit control in an ensemble of atomic qubits trapped in an optical lattice. The qubits are driven with microwave radiation, and their dynamics tracked by optical probe polarimetry. Real-time diagnostics is…

Quantum Physics · Physics 2009-11-13 W. Rakreungdet , J. H. Lee , K. F. Lee , B. E. Mischuck , Enrique Montano , P. S. Jessen

We use an atomic vapor cell as a frequency tunable microwave field detector operating at frequencies from GHz to tens of GHz. We detect microwave magnetic fields from 2.3 GHz to 26.4 GHz, and measure the amplitude of the sigma+ component of…

Atomic Physics · Physics 2016-05-24 Andrew Horsley , Philipp Treutlein

We describe the design, fabrication and testing of a surface-electrode ion trap, which incorporates microwave waveguides, resonators and coupling elements for the manipulation of trapped ion qubits using near-field microwaves. The trap is…

Polar molecules are an emerging platform for quantum technologies based on their long-range electric dipole-dipole interactions, which open new possibilities for quantum information processing and the quantum simulation of strongly…

We have implemented a control system for experiments in atomic, molecular and optical physics based on a commercial low-cost board, featuring a field-programmable gate array as part of a system-on-a-chip on which a Linux operating system is…

Atomic Physics · Physics 2021-10-20 Andreas Trenkwalder , Matteo Zaccanti , Nicola Poli

The careful filtering of microwave electromagnetic radiation is critical for controlling the electromagnetic environment for experiments in solid-state quantum information processing and quantum metrology at millikelvin temperatures. We…

Instrumentation and Detectors · Physics 2014-02-07 G. Tancredi , S. Schmidlin , P. J. Meeson

In this work we address the advantages, limitations, and technical subtleties of employing FPGA-based digital servos for high-bandwidth feedback control of lasers in atomic, molecular, and optical (AMO) physics experiments. Specifically, we…

Instrumentation and Detectors · Physics 2018-03-14 Shi Jing Yu , Emma Fajeau , Lin Qiao Liu , David J. Jones , Kirk W. Madison

The SpinQuest experiment at Fermilab employs a dynamically polarized solid ammonia target to probe the spin structure of the proton, requiring stable, optimized microwave-driven Dynamic Nuclear Polarization (DNP) under high radiation…

Instrumentation and Detectors · Physics 2026-04-28 Vibodha Bandara , Jordan D. Roberts , Dustin Keller

This article presents a novel technique for precise measurement of time and charge based solely on FPGA (Field Programmable Gate Array) device and few satellite discrete electronic components used in Positron Emission Tomography (PET).…

Cryogenic confocal microscopy is a powerful method for studying solid state quantum devices such as single photon sources and optically controlled qubits. While the vast majority of such studies have been conducted at temperatures of a few…

The atom-based traceable standard for microwave electrometry shows promising advantages by enabling stable and uniform measurement. Here we theoretically propose and then experimentally realize an alternative direct International System of…

The design of single chip current source based on a common power operational amplifier is presented and demonstrated for the purpose of controlling applied magnetic fields using bias/shim electromagnets in cold atom experiments. The…

Atomic Physics · Physics 2024-08-23 D. O. Sabulsky

A multi-layer trigger system, based on programmable logic devices hosted on VME boards, has been implemented. It is completely scalable and suitable for handling from a few up to a few hundred channels. Custom software for monitoring and…

This paper introduces a novel reconfigurable and power-efficient FPGA (Field-Programmable Gate Array) implementation of an operator splitting algorithm for Non-Terrestial Network's (NTN) relay satellites model predictive orientation control…

Signal Processing · Electrical Eng. & Systems 2024-06-04 Anis Hamadouche , Yun Wu , Mathini Sellathurai , Andrew M. Wallace , Joao F. C. Mota

We present a novel method to realize a multi-target-qubit controlled phase gate with one microwave photonic qubit simultaneously controlling $n-1$ target microwave photonic qubits. This gate is implemented with $n$ microwave cavities…

Quantum Physics · Physics 2019-10-30 Biaoliang Ye , Zhen-Fei Zheng , Yu Zhang , Chui-Ping Yang

We present a compact atomic clock using cold rubidium atoms based on an isotropic light cooling, a Ramsey microwave interrogation and an absorption detection. Its technology readiness level is suitable to industrial transfer. We use a fibre…

Time-bin encoded photon pairs enable robust, decoherence-resistant transmission through optical fibers for long-distance quantum communication, where phase noise poses a critical limitation to stable operation. Here, we implement an…

Quantum Physics · Physics 2025-10-28 P. M. Berto , F. CampodÓnico , A. A. Matoso , S. Vergara , P. A. Coelho , G. Lima , S. PÁdua , J. CariÑe

I detail applications of timer interrupts in a popular micro-controller family to time critical applications in laser-cooling type experiments. I demonstrate a low overhead 1-bit frequency locking scheme and a multichannel experimental…

Instrumentation and Detectors · Physics 2011-04-04 Mark Sadgrove

We present recent progress towards the implementation of a scalable quantum processor based on fully-depleted silicon-on-insulator (FDSOI) technology. In particular, we discuss an approach where the elementary bits of quantum information -…

Mesoscale and Nanoscale Physics · Physics 2019-12-19 S. De Franceschi , L. Hutin , R. Maurand , L. Bourdet , H. Bohuslavskyi , A. Corna , D. Kotekar-Patil , S. Barraud , X. Jehl , Y. -M. Niquet , M. Sanquer , M. Vinet

A grid tied inverter converts DC voltage into AC voltage, while synchronizing it with the supply line phase and frequency. This paper presents an efficient, robust, and easy-to-implement grid tie mechanism. First, the grid tie mechanism was…

Systems and Control · Electrical Eng. & Systems 2019-09-16 Uzair Nadeem , Muhammad Shahzaib Atif , Rizwan Ahmed , Hassan Touqeer , Hamood Ur Rahman Khawaja
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