Date:
Tue, 19/03/201914:00-15:30
Location:
Danciger B building, Seminar room
Lecturer: Tom Delcord-Carnaut, Laboratoire Pierre Aigrain
Abstract:
Inspired by experiments on cold atoms and ions, optomechanics has made major steps toward realizing quantum mechanics experiments with macroscopic mechanichal oscillator [1,2]. Here we use a micro-diamond levitating in an ion trap under low vacuum as a mechanical oscillator and ensemble of NV center spins within it to control its motion. Such levitated system were proposed under high vacuum and with single spin to enter the quantum regime [3-5].
As a first step, spin ensemble are manipulated in a levitating micro-diamond. We show the diamond libration mode is confined by the Paul trap and that it can be cooled down in the non-resolved sideband regime. Further we show the sideband resolved regime can be reached with an alternative scheme using levitating ferromagnets. To this end we levitate iron micro-particle in a paul trap and show strong magnetic confinement of their libration mode as well as use of hybrid ferromagnet-diamond particles.
[1] M. Aspelmeyer, T. J. Kippenberg, and F. Marquardt, “Cavity optomechanics,” Rev. Mod. Phys., vol. 86, no. 4, pp. 1391–1452, (2014).
[2] I. Marinković, A. Wallucks, R. Riedinger, S. Hong, M. Aspelmeyer, and S. Gröblacher, "Optomechanical Bell Test," Phys. Rev. Lett., vol. 121, no. 22, p. 220404, Nov. 2018.
[3] P. Rabl, P. Cappellaro, M. V. G. Dutt, L. Jiang, J. R. Maze, and M. D. Lukin, “Strong magnetic coupling between an electronic spin qubit and a mechanical resonator” Phys. Rev. B 79, 041302 (2009).
[4] T. Delord, L. Nicolas, Y. Chassagneux, and G. Hétet, “Strong coupling between a single nitrogen-vacancy spin and the rotational mode of diamonds levitating in an ion trap”, Phys. Rev. A 96, 063810 (2017).
[5] Y. Ma, T. M. Hoang, M. Gong, T. Li, and Z.-q. Yin, “Proposal for quantum many-body simulation and torsional matter-wave interferometry with a levitated nanodiamond”, Phys. Rev. A 96, 023827 (2017)
Abstract:
Inspired by experiments on cold atoms and ions, optomechanics has made major steps toward realizing quantum mechanics experiments with macroscopic mechanichal oscillator [1,2]. Here we use a micro-diamond levitating in an ion trap under low vacuum as a mechanical oscillator and ensemble of NV center spins within it to control its motion. Such levitated system were proposed under high vacuum and with single spin to enter the quantum regime [3-5].
As a first step, spin ensemble are manipulated in a levitating micro-diamond. We show the diamond libration mode is confined by the Paul trap and that it can be cooled down in the non-resolved sideband regime. Further we show the sideband resolved regime can be reached with an alternative scheme using levitating ferromagnets. To this end we levitate iron micro-particle in a paul trap and show strong magnetic confinement of their libration mode as well as use of hybrid ferromagnet-diamond particles.
[1] M. Aspelmeyer, T. J. Kippenberg, and F. Marquardt, “Cavity optomechanics,” Rev. Mod. Phys., vol. 86, no. 4, pp. 1391–1452, (2014).
[2] I. Marinković, A. Wallucks, R. Riedinger, S. Hong, M. Aspelmeyer, and S. Gröblacher, "Optomechanical Bell Test," Phys. Rev. Lett., vol. 121, no. 22, p. 220404, Nov. 2018.
[3] P. Rabl, P. Cappellaro, M. V. G. Dutt, L. Jiang, J. R. Maze, and M. D. Lukin, “Strong magnetic coupling between an electronic spin qubit and a mechanical resonator” Phys. Rev. B 79, 041302 (2009).
[4] T. Delord, L. Nicolas, Y. Chassagneux, and G. Hétet, “Strong coupling between a single nitrogen-vacancy spin and the rotational mode of diamonds levitating in an ion trap”, Phys. Rev. A 96, 063810 (2017).
[5] Y. Ma, T. M. Hoang, M. Gong, T. Li, and Z.-q. Yin, “Proposal for quantum many-body simulation and torsional matter-wave interferometry with a levitated nanodiamond”, Phys. Rev. A 96, 023827 (2017)