activity
20202024
most citedCoherent control of NV- centers in diamond in a quantum teaching lab

38 citations · 120 across the 10 of their papers we have counts for

collaborators

10 papers

cond-mat.mes-hall2024

Coherent all-optical control of the germanium vacancy in diamond

C. Adambukulam, J. A. Scott, S. Q. Lim +3

The germanium vacancy in diamond (GeV) is a promising candidate for color center based quantum networking. Yet, like for other group-IV vacancy defects in diamond, achieving fast,…

cond-mat.mes-hall2023

All-electron hyperfine coupling of Si-, Ge- and Sn-vacancy defects in diamond

Akib Karim, Harish H. Vallabhapurapu, Chris Adambukulam +3

Colour centres in diamond are attractive candidates for numerous quantum applications due to their good optical properties and long spin coherence times. They also provide access t…

cond-mat.mes-hall2023★ 13 cited

Hyperfine spectroscopy and fast, all-optical arbitrary state initialization and readout of a single, ten-level Ge vacancy nuclear spin qudit in diamond

C. Adambukulam, B. C. Johnson, A. Morello +1

A high-spin nucleus coupled to a color center can act as a long-lived memory qudit in a spin-photon interface. The germanium vacancy (GeV) in diamond has attracted recent attention…

quant-ph2022★ 4 cited

Coherent spin dynamics of hyperfine-coupled vanadium impurities in silicon carbide

Joop Hendriks, Carmem M. Gilardoni, Chris Adambukulam +2

Progress with quantum technology has for a large part been realized with the nitrogen-vacancy centre in diamond. Part of its properties, however, are nonideal and this drives resea…

quant-ph2022★ 15 cited

High Fidelity Control of a Nitrogen-Vacancy Spin Qubit at Room Temperature using the SMART Protocol

Hyma H. Vallabhapurapu, Ingvild Hansen, Chris Adambukulam +4

A practical implementation of a quantum computer requires robust qubits that are protected against their noisy environment. Dynamical decoupling techniques have been successfully u…

quant-ph2022★ 6 cited

Indirect Control of the Nuclear Spin in Diamond

Hyma H. Vallabhapurapu, Chris Adambukulam, Andre Saraiva +1

Coherent control and optical readout of the electron spin of the SiV center in diamond has been demonstrated in literature, with exciting prospects for implementations…

physics.ed-ph2021★ 12 cited

Observing hyperfine interactions of NV centers in diamond in an advanced quantum teaching lab

Yang Yang, Hyma H. Vallabhapurapu, Vikas K. Sewani +6

The negatively charged nitrogen-vacancy (NV) center in diamond is a model quantum system for university teaching labs due to its room-temperature compatibility and cost-effecti…

quant-ph2021★ 14 cited

Fast coherent control of an NV- spin ensemble using a KTaO3 dielectric resonator at cryogenic temperatures

Hyma H. Vallabhapurapu, James P. Slack-Smith, Vikas K. Sewani +4

Microwave delivery to samples in a cryogenic environment can pose experimental challenges such as restricting optical access, space constraints and heat generation. Moreover, exist…

physics.ins-det2020★ 18 cited

An ultra-stable 1.5 tesla permanent magnet assembly for qubit experiments at cryogenic temperatures

C. Adambukulam, V. K. Sewani, H. G. Stemp +4

Magnetic fields are a standard tool in the toolbox of every physicist, and are required for the characterization of materials, as well as the polarization of spins in nuclear magne…

physics.ed-ph2020★ 38 cited

Coherent control of NV- centers in diamond in a quantum teaching lab

Vikas K. Sewani, Hyma H. Vallabhapurapu, Yang Yang +5

The room temperature compatibility of the negatively-charged nitrogen-vacancy (NV-) in diamond makes it the ideal quantum system for a university teaching lab. Here, we describe a…