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Slow Light: Novel Techniques for Optical Signal Processing Based on Stationary Pulses Of Light
Final performance rept. 16 Aug 2008-31 Aug 2010
HARVARD UNIV CAMBRIDGE MA DEPT OF PHYSICS
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Key progress includes demonstration of a fiber-optical switch that is activated at tiny energies corresponding to few hundred optical photons per pulse. This is achieved by simultaneously confining both photons and a small laser-cooled ensemble of atoms inside the microscopic hollow core of a single-mode photonic crystal fiber and using quantum optical techniques for generating slow light propagation and large nonlinear interaction between light beams. In addition, we demonstrated a strong coupling between NV centers and photonic crystal nanocavity suitable for experiments on single photon nonlinear optics. Finally we developed a new all-electrical surface plasmon SPP detection technique based on the near-field coupling between guided plasmons and a nanowire field-effect transistor and realized a new quantum optical medium based on buffer-gas cooled Rb vapor cell.
APPROVED FOR PUBLIC RELEASE