towards a transportable aluminium ion quantum logic optical

'Quantum Logic Clock' Based on Aluminum Ion is Now World's ...

The logic clock is based on a single aluminum ion (electrically charged atom) trapped by electric fields and vibrating at ultraviolet light frequencies, which are 100,000 times higher than ...

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Optical simulation of quantum logic

Optical simulation of quantum logic N. J. Cerf,1 C. Adami,1,2 and P. G. Kwiat3 1W. K. Kellogg Radiation Laboratory, California Institute of Technology, Pasadena, California 91125 2Computation and Neural Systems, California Institute of Technology, Pasadena, California 91125 3Physics Division, P-23, Los Alamos National Laboratory, Los Alamos, New Mexico 87545

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MIPT-UEC-LPI International Workshop

Towards transportable Yb ion clock [L03-1-4] Hiroto ARIMA, master student, UEC. High-pressure transport properties of candidate material for Excitonic insulator Ta 2 NiSe 5 [L03-1-5] 13:00 LUNCH. 14:00 SESSION 2. Chairman Professor Ryosuke SHIMIZU, UEC . Vladimir KRIVOBOK, Senior Researcher, LPI, Professor, MIPT

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Quantum Logic Spectroscopy - Introduction

27 Al + Quantum Logic Optical Clock. We are building a high-accuracy optical frequency standard based on one or more trapped 27Al + ions, for applications ranging from fundamental physics to relativistic geodesy.. The caesium frequency standards that currently define the SI second use the microwave transition between the two hyperfine levels of the ground state of 133 Cs.

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Q Sharp - Wikipedia

During a Microsoft Ignite Keynote on September 26, 2017, Microsoft announced that they were going to release a new programming language geared specifically towards quantum computers. On December 11, 2017, Microsoft released Q# as a part of the Quantum Development Kit.

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Mobile Metal Analyzer - Arc Spark | SPECTRO Analytical

For onsite metal analysis, SPECTRO offers a complete range of mobile metal analyzer products, from handheld XRF to portable Arc Spark OES spectrometers.

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Physics - Placing Single Impurities into a Crystal

Sep 04, 2019· The quantum states of the impurities can be tailored to perform quantum logic operations, and these states can then be read out via the impurities' fluorescence. However, implanting single-ion impurities inside crystals consistently and precisely has proved challenging.

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f.schmidt-kaler How to realize a universal quantum gate ...

Quantum logic gate operations and entangled states may be studied. The most challenging experimental step towards achiev-ing the Cirac–Zoller scheme (CZ) of a QC is to implement the controlled-NOT (CNOT) gate operation between two in-dividual ions. The CNOT quantum logical gate corresponds to the XOR gate operation of classical logic which ...

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Towards a Transportable Aluminium Ion Quantum Logic ...

Jan 08, 2019· With the advent of optical clocks featuring fractional frequency uncertainties on the order of $10^{-17}$ and below, new applications such as chronometric levelling with few-cm height resolution emerge. We are developing a transportable optical clock based on a single trapped aluminium ion, which is interrogated via quantum logic spectroscopy. We employ singly-charged calcium as the logic ion ...

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Gerhard KIRCHMAIR | Research: University of Innsbruck | Dr ...

With trapped ions quantum information can be encoded in various two-level systems or quantum bits (qubits). Here, we present an overview on qubit encoding with Ca + and several state-of-the-art ...

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Quantum logic - Wikipedia

Differences with classical logic. Quantum logic has some properties that clearly distinguish it from classical logic, most notably, the failure of the distributive law of propositional logic:. p and (q or r) = (p and q) or (p and r),. where the symbols p, q and r are propositional variables. To illustrate why the distributive law fails, consider a particle moving on a line and (using some ...

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ION OPTICAL CLOCKS AND QUANTUM INFORMATION .

"logic" ion and a "clock" ion. The logic ion would provide the functions of laser cooling and detection [19]. The logic ion is used to laser-cool all (harmonic) motional modes of both ions to their ground states. We assume that the clock ion is optically pumped to its initial state. After the clock radiation is applied, the clock ion is ...

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When should we change the definition of the second ...

Oct 28, 2011· Recently, a second 27 Al + quantum logic clock was built with 25 Mg + as the logic ion, and comparisons between the two clocks have demonstrated a frequency uncertainty of approximately 9×10 −18, with an instability of 2.8×10 −15 τ −1/2 and a frequency difference between the clocks of −1.8×10 −17 .

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pw.x: input description - Quantum ESPRESSO

gate: LOGICAL: Default:.FALSE. See: zgate, relaxz, block, block_1, block_2, block_height: In the case of charged cells (tot_charge.ne. 0) setting gate = .TRUE. represents the counter charge (i.e. -tot_charge) not by a homogeneous background charge but with a charged plate, which is placed at zgate (see below).Details of the gate potential can be found in T. Brumme, M. Calandra, F. .

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Quantum Optics Theory | Nanoscale and Quantum Photonics Lab

For instance, in an ion trap quantum computer the motional states of the ions are of interest while the state of the light field is secondary. However, a new paradigm for information processing is becoming experimentally accessible where many quantum-optical devices are integrated in nanophotonic circuits.

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Advanced Optical Materials: Early View

Electrogyration, the dependence of optical activity on electric field, is a weak effect in naturally occurring materials. Co‐engineering of optical and nanomechanical properties enables the realization of a photonic metamaterial structure manifesting giant electrogyration, a million times stronger than in any natural medium.

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A cryogenic radio-frequency ion trap for quantum logic ...

A cryogenic radio-frequency ion trap system designed for quantum logic spectroscopy of highly charged ions (HCI) is presented. It includes a segmented linear Paul trap, an in .

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A highly selective diarylethene fluorescence sensor of ...

Here, as shown in Fig. 8, a logic circuit was created with the signals of ultraviolet, visible light, aluminum ion and EDTA as input signals of InA, InB, InC and InD, respectively, and with the fluorescence as the output signal. The fluorescence emission intensity at 533 nm that is more than the 10 times of the initial value is taken as "on ...

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Quantum Logic Spectroscopy - Introduction

27 Al + Quantum Logic Optical Clock. We are building a high-accuracy optical frequency standard based on one or more trapped 27Al + ions, for applications ranging from fundamental physics to relativistic geodesy.. The caesium frequency standards that currently define the SI second use the microwave transition between the two hyperfine levels of the ground state of .

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Superconducting quantum circuits at the surface code ...

Figure 1 | Architecture. a, Optical image of the integrated Josephson quantum processor, consisting of aluminium (dark) on sapphire (light). The five cross-shaped devices (Q 0–Q 4) are the Xmon variant of the transmon qubits30, placed in a linear array. To the left of the qubits are five meandering

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ICT–Isomerization-Induced Turn-On Fluorescence Probe with ...

A unique turn-on fluorescent device based on a ferrocene–aminonaphtholate derivative specific for Hg2+ cation was developed. Upon binding with Hg2+ ion, the probe shows a dramatic fluorescence enhancement (the fluorescence quantum yield increases 58-fold) along with a large red shift of 68 nm in the emission spectrum. The fluorescence enhancement with a red shift .

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Demonstration of slow light in rubidium vapor using single ...

Practical implementation of quantum networks is likely to interface different types of quantum systems. Photonically linked hybrid systems, combining unique properties of each constituent system, have typically required sources with the same photon emission wavelength. Trapped ions and neutral atoms both have compelling properties as nodes and memories in a quantum .

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Towards Advanced Sodium-Ion Batteries: Green, Low-Cost and ...

Apr 20, 2020· Lithium-ion batteries (LIBs) are nowadays the technology of choice for electrochemical energy storage devices because of their high energy density, being one of the key criteria in portable devices and electric vehicles. 1–3 Sodium-ion batteries (SIBs) are considered one of the most promising candidates for stationary energy storage due to high crustal abundance and low cost of sodium .

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[PDF] Compact transportable 171Yb+ single-ion optical ...

The paper describes the results achieved in the development of the compact transportable fully automated optical clock based on a single 171Yb+ ion in a radiofrequency (RF) quadrupole trap. The resulted measurements demonstrated the 4.9E-16 output RF signal relative instability on 1000 s integration time with 298.1 kg weight, 0.921 volume, and 2.766 kW input power consumption of the .

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Highly Sensitive Multiplexed Heavy Metal Detection Using ...

Oct 06, 2010· We developed highly sensitive and specific nanosensors based on quantum dots (QDs) and DNAzyme for multiplexed detection of heavy metal ions in liquid. The QDs were coated with a thin silica layer for increased stability and higher quantum yield while maintaining a relatively small size for highly efficient energy transfer. The QD−DNAzyme nanosensors were constructed by conjugating .

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:1037 :430074. : 027-87543940 . : 027-87542391. : [email protected]

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Optical Clock Precision Breaks New Ground | Optics ...

https://The Problem with 27Al+

Development and characterization of a transportable ...

In conclusion, it has been shown that an 27Al+ ion quantum logic optical clock operated in the present transportable setup could reach an estimated systematic fractional frequency uncertainty of 1.7 × 10^−18, provided that all other shifts, such as the second order Zeeman shift, are negligible.

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arXiv:0904.2599v2 [quant-ph] 9 Jul 2009

Trapped ions show much promise for achieving large-scale quantum information processing (QIP). One proposed architecture uses electronic or nuclear states of ions trapped in an RF Paul trap to store information, and laser-ion interactions to accomplish initialization, logic gates, and readout.

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Frequency Ratio of Al+ and Hg+ Single-Ion Optical Clocks ...

Mar 28, 2008· The ratio of aluminum and mercury single-ion optical clock frequencies νAl+/νHg+ is 1.052871833148990438(55), where the uncertainty comprises a statistical measurement uncertainty of 4.3 × 10–17, and systematic uncertainties of 1.9 × 10–17 and 2.3 × 10–17 in the mercury and aluminum frequency standards, respectively.

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Ying-Lung HO | VC Senior Fellow (Northumbria University ...

My research interests lie primarily in the field of Quantum Optics, Nanophotonics, and Nanomanufacturing techniques. I am an expert in nanofabrication (3D .

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Publications: optIclock

Dec 13, 2019· Title: "Opticlock: Transportable and Easy-to-Operate Optical Single-Ion Clock" (invited talk) Jan Schäfer (TOPTICA) Basel Quantum Metrology and Sensing BQMS 12.-14. February 2020, Basel, Switzerland Title: "Towards a Transportable and User-Friendly Single Ion Optical Clock" (Poster) Jan Schäfer (TOPTICA) International Conference on Quantum Optics

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Towards a transportable aluminium ion quantum logic ...

With the advent of optical clocks featuring fractional frequency uncertainties on the order of 10-17 and below, new applications such as chronometric leveling with few-centimeter height resolution emerge. We are developing a transportable optical clock based on a single trapped aluminum ion, which is interrogated via quantum logic spectroscopy.

Get price

Gerhard KIRCHMAIR | Research: University of Innsbruck | Dr ...

With trapped ions quantum information can be encoded in various two-level systems or quantum bits (qubits). Here, we present an overview on qubit encoding with Ca + and several state-of-the-art ...

Get price
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