Physics of Quantum Devices - Labs of prof. Caspar van der Wal

Publications of the Physics of Quantum Devices team and Caspar H. van der Wal


Link to Eldoc open archives of the University of Groningen with free reprints of all publictions
of staff of the Zernike Institute for Advanced Materials
.

Link to list of publications by C. H. van der Wal at arXiv.org.

C. H. van der Wal at researcherid.org.

C. H. van der Wal at orcid.org.


 

Work on quantum coherent dynamics and electron spins
in solid state devices (recent publications)


46. Two-laser dynamic nuclear polarization with semiconductor electrons:
feedback, suppressed fluctuations, and bistability near two-photon resonance

A. R. Onur, C. H. van der Wal,
submitted (2014);
available at arXiv:1409.7576.
45. Analysis of optical differential transmission signals from co-propagating fields in a lambda system medium
J. P. de Jong, A. R. Onur, D. Reuter, A. D. Wieck, C. H. van der Wal,
submitted (2014);
available at arXiv:1409.7679.
44. Robust recipe for low-resistance ohmic contacts to a two-dimensional electron gas in a GaAs/AlGaAs heterostructure
M. J. Iqbal, D. Reuter, A. D. Wieck, C. H. van der Wal,
submitted (2014);
available at arXiv:1407.4781.
43. Odd and even Kondo effects from emergent localization in quantum point contacts
M. J. Iqbal, Roi Levy, E. J. Koop, J. B. Dekker, J. P. de Jong, J. H. M. van der Velde, D. Reuter, A. D. Wieck, Ramón Aguado, Yigal Meir, C. H. van der Wal,
Nature 501, 79 (2013); pdf file main text; pdf file suppl. info.; pdf file news and views;
doi; open access;
preprint version available at arXiv:1307.7167.

Link to News & Views item about this work and a related work (Nature Physics 9, 530 (2013)).

University press release about this work (Dutch and English).

Science LinX topical news item about this work (Dutch and English).

42. Split-gate quantum point contacts with tunable channel length
M. J. Iqbal, J. P. de. Jong, D. Reuter, A. D. Wieck, C. H. van der Wal,
J. Appl. Phys. 113, 024507 (2013); pdf file;
also available at arXiv:1207.1331.
41. On the annealing mechanism of AuGe/Ni/Au ohmic contacts to a two-dimensional electron gas in GaAs/AlGaAs heterostructures
E. J. Koop, M. J. Iqbal, F. Limbach, M. Boute, B. J. van Wees, D. Reuter, A. D. Wieck, B. J. Kooi, C. H. van der Wal,
Semicond. Sci. Technol. 28, 025006 (2013); pdf file;
also available at arXiv:0809.0928.
40. Ultrafast mapping of optical polarization states onto spin coherence of localized electrons in a semiconductor
S. Z. Denega, M. Sladkov, D. Reuter, A. D. Wieck, T. L. C. Jansen, C. H. van der Wal,
submitted (2011); available at arXiv:1103.4307.
39. Public exhibit for demonstrating the quantum of electrical conductance [on an educational project]
E. H. Huisman, F. L. Bakker, J. P. van der Pal, R. M. de Jonge, C. H. van der Wal,
Am. J. Phys. 79, 856 (2011); pdf file;
also available at arXiv:1103.3739.
38. Polarization-preserving confocal microscope for optical experiments in a dilution refrigerator with high magnetic field
M. Sladkov, M. P. Bakker, A. U. Chaubal, D. Reuter, A. D. Wieck, C. H. van der Wal,
Rev. Sci. Instr. 82, 043105 (2011); pdf file; open access;
also available at arXiv:1010.1849.
37. Electromagnetically induced transparency in low-doped n-GaAs
C. H. van der Wal, M. Sladkov, A. U. Chaubal, M. P. Bakker, A. R. Onur, D. Reuter, A. D. Wieck,
AIP Conf. Proc. 1399, 1039 (2011) [Proceedings of the 30th International Conference on the Physics of Semiconductors (ICPS 2010)]; pdf file.
36. Electromagnetically induced transparency with an ensemble of donor-bound electron spins in a semiconductor
Maksym Sladkov, A. U. Chaubal, M. P. Bakker, A. R. Onur, D. Reuter, A. D. Wieck, C. H. van der Wal,
Phys. Rev. B 82, 121308(R) (2010); pdf file; open access;
also available at arXiv:1007.1010.
35. Suppressed spin dephasing for two-dimensional and bulk electrons in GaAs wires due to engineered cancelation of spin-orbit interaction terms
S. Z. Denega, T. Last, J. Liu, A. Slachter, P. J. Rizo, P. H. M. van Loosdrecht, B. J. van Wees, D. Reuter, A. D. Wieck, C. H. van der Wal,
Phys. Rev. B 81, 153302 (2010); pdf file; open access;
also available at arXiv:0910.2336.
34. Optical probing of spin dynamics of two-dimensional and bulk electrons in a GaAs/AlGaAs heterojunction system
P. J. Rizo, A. Pugzlys, A. Slachter, S. Z. Denega, D. Reuter, A. D. Wieck, P. H. M. van Loosdrecht, C. H. van der Wal,
New J. Phys. 12, 113040 (2010); pdf file; open access;
also available at arXiv:0910.1714.
33. Spin-dephasing anisotropy for electrons in a diffusive quasi-1D GaAs wire
J. Liu, T. Last, E. J. Koop, S. Denega, B. J. van Wees, C. H. van der Wal,
J. Supercond. Nov. Magn. 23, 11 (2010); pdf file; open access;
also available at arXiv:0810.1413.
32. Towards quantum optics and entanglement with electron spin ensembles in semiconductors
Caspar H. van der Wal, Maksym Sladkov,
Solid State Sciences 11, 935 (2009)
[special issue on Solid state approaches to quantum information processing and communication]; pdf file; open access;
also available at arXiv:0804.2953.
31. Compact cryogenic Kerr microscope for time-resolved studies of electron spin transport in microstructures
P. J. Rizo, A. Pugzlys, J. Liu, D. Reuter, A. D. Wieck, C. H. van der Wal, P. H. M. van Loosdrecht,
Rev. Sci. Instr. 79, 123904 (2008); pdf file; open access;
also available at arXiv:0809.3209.
30. Confinement-enhanced spin relaxation for electron ensembles in large quantum dots
E. J. Koop, B. J. van Wees, C. H. van der Wal,
available at arXiv:0804.2968.
29. Spin accumulation and spin relaxation in a large open quantum dot
E. J. Koop, B. J. van Wees, D. Reuter, A. D. Wieck, C. H. van der Wal,
Phys. Rev. Lett. 101, 056602 (2008); pdf file; open access;
also available at arXiv:0801.2699.
28. Electrical detection of spin pumping:
dc voltage generated by ferromagnetic resonance at ferromagnet/nonmagnet contact

M. V. Costache, S. M. Watts, C. H. van der Wal, B. J. van Wees,
Phys. Rev. B 78, 064423 (2008); pdf file; open access;
also available at arXiv:0809.3859.
27. Persistence of the 0.7 anomaly of quantum point contacts in high magnetic fields
E. J. Koop, A. I. Lerescu, J. Liu, B. J. van Wees, D. Reuter, A. D. Wieck, C. H. van der Wal,
available at arXiv:0706.0792.
26. The influence of device geometry on many-body effects in quantum point contacts:
Signatures of the 0.7 anomaly, exchange and Kondo

E. J. Koop, A. I. Lerescu, J. Liu, B. J. van Wees, D. Reuter, A. D. Wieck, C. H. van der Wal,
J. Supercond. Nov. Magn. 20, 433 (2007); pdf file; open access;
also available at arXiv:0708.0294.
25. Non-local detection of resistance fluctuations of an open quantum dot
A. I. Lerescu, E. J. Koop, C. H. van der Wal, B. J. van Wees, J. H. Bardarson,
available at arXiv:0705.3179.
24. Charge and spin dynamics in a two dimensional electron gas
A. Pugzlys, P. J. Rizo, K. Ivanin, A. Slachter, D. Reuter, A. D. Wieck,
C. H. van der Wal, P. H. M. van Loosdrecht,
J. Phys.: Condens. Matter 19, 295206 (2007); pdf file; open access;
also available at arXiv:cond-mat/0610783.
23. Electrical detection of spin pumping due to the precessing magnetization of a single ferromagnet
M. V. Costache, M. Sladkov, S. M. Watts, C. H. van der Wal, B. J. van Wees,
Phys. Rev. Lett. 97, 216603 (2006); pdf file; open access;
also available at arXiv:cond-mat/0609089.
22. Large cone angle magnetization precession of an individual nanopatterned ferromagnet with dc electrical detection
M. V. Costache, S. M. Watts, M. Sladkov, C. H. van der Wal, B. J. van Wees,
Appl. Phys. Lett. 89, 232115 (2006); pdf file; open access;
also available at arXiv:cond-mat/0609190.
21. On-chip detection of ferromagnetic resonance of a single submicron Permalloy strip
M. V. Costache, M. Sladkov, C. H. van der Wal, B. J. van Wees,
Appl. Phys. Lett. 89, 192506 (2006); pdf file; open access;
also available at arXiv:cond-mat/0607036.
           
Link to Appl. Phys. Lett. cover image
.
20. Unified description of bulk and interface-enhanced spin pumping
S. M. Watts, J. Grollier, C. H. van der Wal, B. J. van Wees,
Phys. Rev. Lett. 96, 077201 (2006); pdf file; open access;
also available at arXiv:cond-mat/0509100.
19. Microwave spectroscopy on magnetization reversal dynamics of nanomagnets with electronic detection
J. Grollier, M. V. Costache, C. H. van der Wal, B. J. van Wees,
J. Appl. Phys. 100, 024316 (2006); pdf file; open access;
also available at arXiv:cond-mat/0502197.

 

Work on quantum optics with atoms (postdoc C. H. van der Wal)


18. Capacitive coupling of atomic systems to mesoscopic conductors
Anders S. Sørensen, Caspar H. van der Wal, Lilian I. Childress, Mikhail D. Lukin,
Phys. Rev. Lett. 92, 063601 (2004); pdf file; open access;
also available at arXiv:quant-ph/0308145.
17. Atomic memory for correlated photon states
C. H. van der Wal, M. D. Eisaman, A. Andre, R. L. Walsworth, D. F. Phillips,
A. S. Zibrov, M. D. Lukin,
Science 301, 196 (2003); pdf file; supporting online material; pdf file; open access.
16. Towards non-classical light storage via atomic-vapor Raman scattering
C. H. van der Wal, M. D. Eisaman, A. S. Zibrov, A. Andre, D. F. Phillips,
R. L. Walsworth, M. D. Lukin,
Proc. of SPIE 5115, 236 (2003),
(Noise and Information in Nanoelectronics, Sensors and Standards,
L. B. Kish, F, Green, G. Iannaccone, J. R. Vig, eds. (SPIE, Bellingham, WA, 2003)); pdf file; open access.
15. Toward manipulating quantum information with atomic ensembles
M. D. Lukin, A. Andre, M. D. Eisaman, M. Hohensee, D. F. Phillips,
C. H. van der Wal, R. L. Walsworth, A. S. Zibrov,
in Proceedings of the XVIII International Conference on Atomic Physics,
H. R. Sadeghpour, D. E. Pritchard, E. J. Heller, eds. (World Scientific, Singapore, 2003), pp. 231-240; pdf file; open access.

 

Work on quantum coherent solid state devices (PhD research C. H. van der Wal)


14. Decoherence of flux qubits coupled to electronic circuits
F. K. Wilhelm, M. J. Storcz, C. H. van der Wal, C. J. P. M. Harmans, J. E. Mooij,
Advances in Solid State Physics 43, 763 (2003); pdf file;
also available at arXiv:cond-mat/0305349.
13. Quantum superposition of charge states on capacitively coupled superconducting islands
C. P. Heij, D. C. Dixon, C. H. van der Wal, P. Hadley, J. E. Mooij,
Phys. Rev. B 67, 144512 (2003); pdf file; open access.
12. Flux-based superconducting qubits for quantum computation
T. P. Orlando, S. Lloyd, L. S. Levitov, K. K. Berggren, M. J. Feldman,
M. F. Bocko, J. E. Mooij, C. J. P. Harmans, C. H. van der Wal,
Phys. C 372, 194 (2002); pdf file; open access.
11. Engineering the quantum measurement process for the persistent current qubit
T. P. Orlando, Lin Tian, D. S. Crankshaw, S. Lloyd, C. H. van der Wal,
J. E. Mooij, F. Wilhelm,
Phys. C 368, 294 (2002); pdf file; open access.
10. Engineering decoherence in Josephson persistent-current qubits:
Measurement apparatus and other electromagnetic environments

Caspar H. van der Wal, F. K. Wilhelm, C. J. P. M. Harmans, J. E. Mooij,
Eur. Phys. J. B 31, 111 (2003); pdf file; open access;
also available at arXiv:cond-mat/0211664.
9. Dual charge and vortex superpositions in a small Josephson junction array
Caspar H. van der Wal, J. E. Mooij,
pdf file.
8. Macroscopic quantum superposition of current states in a Josephson-junction loop
F. K. Wilhelm, C. H. van der Wal, A. C. J. ter Haar, R. N. Schouten,
C. J. P. M. Harmans, J. E. Mooij, T. P. Orlando, Seth Lloyd,
Usp. Fiz. Nauk (Suppl.) 171, 117 (2001); pdf file; open access.
7. Macroscopic quantum superposition in a three-Josephson-junction loop
Caspar H. van der Wal, A. C. J. ter Haar, F. K. Wilhelm, R. N. Schouten,
C. J. P. M. Harmans, T. P. Orlando, Seth Lloyd, J. E. Mooij,
in Macroscopic Quantum Coherence and Quantum Computing,
D.V. Averin, B. Ruggiero, P. Silvestrini, eds. (Kluwer Academic Publishers, Dordrecht, 2001), pp. 25-34; pdf file; open access.
6. Quantum superposition of macroscopic persistent-current states
Caspar H. van der Wal, A. C. J. ter Haar, F. K. Wilhelm, R. N. Schouten,
C. J. P. M. Harmans, T. P. Orlando, Seth Lloyd, J. E. Mooij,
Science 290, 773 (2000); pdf file; open access.
[ This publication was ranked in Science Magazine top 10
   Breakthroughs of the Year 2000 (link). ]
5. Decoherence of the superconducting persistent-current qubit
Lin Tian, L. S. Levitov, J. E. Mooij, T. P. Orlando, Caspar H. van der Wal, Seth Lloyd,
in Quantum Mesoscopic Phenomena and Mesoscopic Devices in Microelectronics,
I. O. Kulik, R. Ellialtioglu, eds. (Kluwer Academic Publishers, Dordrecht, 2000),
pp. 429-438; pdf file; open access;
also available at arXiv:cond-mat/9910062.
4. Quantum transitions of a small Josephson junction array
Caspar H. van der Wal, P. Kuiper, J. E. Mooij,
Phys. B 280, 243 (2000); pdf file; open access.
3. Superconducting persistent-current qubit
T. P. Orlando, J. E. Mooij, Lin Tian, Caspar H. van der Wal,
L. S. Levitov, Seth Lloyd, J. J. Mazo,
Phys. Rev. B 60, 15398 (1999); pdf file; open access;
also available at arXiv:cond-mat/9908283.
2. Josephson persistent-current qubit
J. E. Mooij, T. P. Orlando, L. Levitov, Lin Tian, Caspar H. van der Wal, Seth Lloyd,
Science 285, 1036 (1999); pdf file; open access.
1. Controlled single-Cooper-pair charging effects in a small Josephson junction array
Caspar H. van der Wal, J. E. Mooij,
J. Superc. 12, 807 (1999); pdf file; preprint with high-resolution figures pdf file; open access.

 

Other publications (perspectives, society journals, popular articles)

P7. Het beste niets ooit gemaakt: een blok silicium [in Dutch]
Caspar van der Wal,
contribution to the book Het beste idee van 2014, (to appear in 2014); pdf file.
P6. Controlling spins and photons for fundamentally secure communication
Caspar van der Wal,
Lustrum book 2014 Applied Physics student society Francken (University of Groningen, Oct. 2014); pdf file.
P5. Veilig communiceren met quantummechanica [in Dutch]
Caspar van der Wal,
Nederlands Tijdschrift voor Natuurkunde 80, 186 (juni 2014); pdf file.
P4. De wet van Moore voor zonnecellen [in Dutch]
Caspar van der Wal,
contribution to the book Het beste idee van 2013, ISBN 978-90-79051-09-0 (web link 1, web link 2); pdf file.
P3. Quantumoptica met spins in halfgeleiders [in Dutch]
Sander Onur, Caspar van der Wal,
Nederlands Tijdschrift voor Natuurkunde 78, 231 (juli 2012); pdf file.
P2. Securing communication with quantum physics
Caspar van der Wal,
Periodiek (jaargang 2011 nummer 4) [student magazine for physics and math students]; pdf file.
P1. Solid start for solid-state quantum bits
Caspar van der Wal, Leo Kouwenhoven,
Physics World 12, 21 (July 1999); pdf file; link.

Andrew Steane wrote a comment on this "Physics in Action" in the issue of September 1999,
I agree with most of his critique (link).