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Journals and Conferences
Nonlinear optical effects can be enhanced in tapered optical fibers with diameters less than the wavelength of the propagating light. Here we report on the observation of two-photon absorption using… (More)
Knill, Laflamme, and Milburn [Nature (London) 409, 46 ((2001))]] have shown that quantum logic operations can be performed using linear optical elements and additional ancilla photons. Their approach… (More)
Knill, Laflamme, and Milburn [Nature (London) 409, 46 (2001)] recently showed that nondeterministic quantum logic operations could be performed using linear optical elements, additional photons… (More)
Strong saturated absorption at nanowatt power levels has been demonstrated using metastable xenon in a high finesse optical cavity. The use of metastable xenon allows a high quality factor of Q = 2 ×… (More)
It is shown that the rate of two-photon absorption can be greatly reduced by the generation of entangled photon holes that are analogous to the holes of semiconductor theory.
We propose an experimental test of Bell's inequality using entangled photon holes rather than entangled photon pairs. The experiment involves feeding entangled photon holes into a time-bin based… (More)
Sub-wavelength diameter tapered optical fibers suspended in rubidium vapor can allow ultralow-power nonlinearities that may have applications in photonic quantum information processing. Here we… (More)
We describe a nonlinear Fabry-Perot interferometer useful for optical quantum information applications. We observe self-phase modulation and other nonlinear effects with ultra-low input powers using… (More)
We demonstrate ultralow-power optical nonlinearities using a sub-wavelength diameter tapered optical fiber in a gas of metastable xenon atoms. The use of inert noble gases offers advantages over… (More)
Quantum logic operations can be performed using the quantum Zeno effect based on strong two-photon absorption. This approach can be generalized to perform all-optical switching of classical signals.