Strong magnetic coupling of an inhomogeneous NV ensemble to a cavity

Details Strong magnetic coupling of an inhomogeneous NV ensemble to a cavity Strong magnetic coupling of an inhomogeneous NV ensemble to a cavity

2011-12-20

arxiv.org/abs/1112.4767v1

Physics

Quantum Physics

11 pages, 9 figures

Scientific paper

We study experimentally and theoretically a dense ensemble of negatively charged nitrogen-vacancy centers in diamond coupled to a high $Q$ superconducting coplanar waveguide cavity mode at low temperature. The nitrogen-vacancy centers are modeled as effective spin one defects with inhomogeneous frequency distribution. For a large enough ensemble the effective magnetic coupling of the collective spin dominates the mode losses and inhomogeneous broadening of the ensemble and the system exhibits well resolved normal mode splitting in probe transmission spectra. We use several theoretical approaches to model the probe spectra and the number and frequency distribution of the spins. This analysis reveals an only slowly temperature dependent q-Gaussian energy distribution of the defects with a yet unexplained decrease of effectively coupled spins at very low temperatures below $\unit{100}{\milli\kelvin}$. Based on the system parameters we predict the possibility to implement an extremely stable maser by adding an external pump to the system.

Affiliated with

Also associated with

No associations

Rating

Strong magnetic coupling of an inhomogeneous NV ensemble to a cavity does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Strong magnetic coupling of an inhomogeneous NV ensemble to a cavity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Strong magnetic coupling of an inhomogeneous NV ensemble to a cavity will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-58685