Electromagnetically induced transparency in alkali atoms integrated on a semiconductor chip

Schmidt, H.; Hawkins, A. R.
January 2005
Applied Physics Letters;1/17/2005, Vol. 86 Issue 3, p032106
Academic Journal
We analyze the integration of electromagnetically induced transparency in alkali atoms on a semiconductor chip. We propose the use of antiresonant reflecting optical waveguides with hollow cores to realize the necessary waveguiding capability and optical mode areas of a few square micrometers. We derive the scaling laws and limitations for the reduction in group velocity and single-photon phase shifts as a function of waveguide dimension. We show that miniaturization leads to a large enhancement of single-photon cross-phase modulation, despite the presence of additional limitations due to coherence dephasing and waveguide loss.


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