Literature DB >> 21231704

Interlaced dynamical decoupling and coherent operation of a singlet-triplet qubit.

C Barthel1, J Medford, C M Marcus, M P Hanson, A C Gossard.   

Abstract

We experimentally demonstrate coherence recovery of singlet-triplet superpositions by interlacing qubit rotations between Carr-Purcell (CP) echo sequences. We then compare the performance of Hahn, CP, concatenated dynamical decoupling (CDD), and Uhrig dynamical decoupling for singlet recovery. In the present case, where gate noise and drift combined with spatially varying hyperfine coupling contribute significantly to dephasing, and pulses have limited bandwidth, CP and CDD yield comparable results, with T(2)∼80 μs.

Entities:  

Year:  2010        PMID： 21231704     DOI： 10.1103/PhysRevLett.105.266808

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN： 0031-9007            Impact factor:   9.161


  11 in total

1.  Decoherence-protected quantum gates for a hybrid solid-state spin register.

Authors:  T van der Sar; Z H Wang; M S Blok; H Bernien; T H Taminiau; D M Toyli; D A Lidar; D D Awschalom; R Hanson; V V Dobrovitski
Journal:  Nature       Date:  2012-04-04       Impact factor: 49.962

2.  Single spins in self-assembled quantum dots.

Authors:  Richard J Warburton
Journal:  Nat Mater       Date:  2013-06       Impact factor: 43.841

3.  Composite pulses for robust universal control of singlet-triplet qubits.

Authors:  Xin Wang; Lev S Bishop; J P Kestner; Edwin Barnes; Kai Sun; S Das Sarma
Journal:  Nat Commun       Date:  2012       Impact factor: 14.919

4.  Notch filtering the nuclear environment of a spin qubit.

Authors:  Filip K Malinowski; Frederico Martins; Peter D Nissen; Edwin Barnes; Łukasz Cywiński; Mark S Rudner; Saeed Fallahi; Geoffrey C Gardner; Michael J Manfra; Charles M Marcus; Ferdinand Kuemmeth
Journal:  Nat Nanotechnol       Date:  2016-10-03       Impact factor: 39.213

5.  Two-axis control of a singlet-triplet qubit with an integrated micromagnet.

Authors:  Xian Wu; D R Ward; J R Prance; Dohun Kim; John King Gamble; R T Mohr; Zhan Shi; D E Savage; M G Lagally; Mark Friesen; S N Coppersmith; M A Eriksson
Journal:  Proc Natl Acad Sci U S A       Date:  2014-08-04       Impact factor: 11.205

6.  Spin-orbit qubit in a semiconductor nanowire.

Authors:  S Nadj-Perge; S M Frolov; E P A M Bakkers; L P Kouwenhoven
Journal:  Nature       Date:  2010-12-23       Impact factor: 49.962

7.  Coherent singlet-triplet oscillations in a silicon-based double quantum dot.

Authors:  B M Maune; M G Borselli; B Huang; T D Ladd; P W Deelman; K S Holabird; A A Kiselev; I Alvarado-Rodriguez; R S Ross; A E Schmitz; M Sokolich; C A Watson; M F Gyure; A T Hunter
Journal:  Nature       Date:  2012-01-18       Impact factor: 49.962

8.  Controlling spin-spin network dynamics by repeated projective measurements.

Authors:  Christian O Bretschneider; Gonzalo A Alvarez; Gershon Kurizki; Lucio Frydman
Journal:  Phys Rev Lett       Date:  2012-04-03       Impact factor: 9.161

9.  Pauli spin blockade in a highly tunable silicon double quantum dot.

Authors:  N S Lai; W H Lim; C H Yang; F A Zwanenburg; W A Coish; F Qassemi; A Morello; A S Dzurak
Journal:  Sci Rep       Date:  2011-10-07       Impact factor: 4.379

10.  Non-adiabatic holonomic quantum computation in linear system-bath coupling.

Authors:  Chunfang Sun; Gangcheng Wang; Chunfeng Wu; Haodi Liu; Xun-Li Feng; Jing-Ling Chen; Kang Xue
Journal:  Sci Rep       Date:  2016-02-05       Impact factor: 4.379
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