Demonstration of a nanophotonic switching operation by optical near-field energy transfer

Kawazoe, Tadashi; Kobayashi, Kiyoshi; Sangu, Suguru; Ohtsu, Motoichi
May 2003
Applied Physics Letters;5/5/2003, Vol. 82 Issue 18, p2957
Academic Journal
We have demonstrated the operation of a nanophotonic switch that uses three CuC1 quantum cubes with a size ratio of 1:&radic2;:2. The switching mechanism is based on resonant optical near-field energy transfer between the resonant quantized excitonic energy levels of the quantum cubes. Using near-field optical spectroscopy, we observed a switching rise time of less than 100 ps and a repetition rate of 80 MHz. These results suggest the possibility of making a nanophotonic switching device smaller than 20 nm with a figure of merit 10-100 times higher than that of a conventional photonic switch.


Related Articles

  • Near-field optical trapping with an ultrashort pulsed laser beam. Kuriakose, Smitha; Morrish, Dru; Xiaosong Gan; Chon, James W. M.; Dholakia, Kishan; Min Gu // Applied Physics Letters;2/25/2008, Vol. 92 Issue 8, p081108 

    We report the focused evanescent optical trapping of nonfluorescent and fluorescent dielectric microspheres using a femtosecond laser. The experiment confirms that the trapping efficiency increases with the size of the particles. As a result, a pulsed laser has been used to trap particles in the...

  • Near-field optics: The nightmare of the photon. Keller, Ole // Journal of Chemical Physics;5/8/2000, Vol. 112 Issue 18 

    A first-quantized theory describing the birth process of a single photon in the near-field zone of a pointlike particle (atom, molecule, etc.) is established. The space-time description of the photon energy wave function embryo is shown to be useful for the understanding of the role played by...

  • Local fluorescent probes for the fluorescence resonance energy transfer scanning near-field optical microscopy. Shubeita, G. T.; Sekatskii, S. K.; Dietler, G.; Letokhov, V. S. // Applied Physics Letters;4/15/2002, Vol. 80 Issue 15, p2625 

    We present fluorescence resonance energy transfer (FRET) images of donor dye molecule clusters recorded using a local fluorescence probe for scanning near-field optical microscopy (SNOM): standard apertured SNOM fiber tip coated with the 30–100-nm-thick polymer layer stained with the...

  • Low-intensity two-dimensional imaging of fluorescence lifetimes in living cells. Emiliani, V.; Sanvitto, D.; Tramier, M.; Piolot, T.; Petrasek, Z.; Kemnitz, K.; Durieux, C.; Coppey-Moisan, M. // Applied Physics Letters;9/22/2003, Vol. 83 Issue 12, p2471 

    The use of a time- and space-correlated single-photon counting detector enables us to perform fluorescence lifetime imaging microscopy in living cells with a temporal resolution of less than 100 ps and a spatial resolution of 500 nm. Two-dimensional (2D) maps of the fluorescence lifetimes and...

  • Deactivation rate constants and product branching in collisions of the Xe(6p) states with Kr and Ar. Xu, J.; Setser, D. W. // Journal of Chemical Physics;4/1/1990, Vol. 92 Issue 7, p4191 

    The quenching kinetics of the Xe(6p[1/2]0 ), Xe(6p[3/2]2 ), and Xe(6p[5/2]2 ) states have been studied in Kr and Ar buffer gas at room temperature using the two-photon, laser-excitation technique. The total quenching rate constants and the primary product distributions were measured to obtain...

  • Intramultiplet energy transfer in the collisions of 3p 4D0 nitrogen atoms with nitrogen molecules. Jeffries, Jay B.; Copeland, Richard A.; Crosley, David R. // Journal of Chemical Physics;8/15/1989, Vol. 91 Issue 4, p2200 

    Two-photon excitation at 211 nm combined with wavelength-resolved detection near 870 nm is used to study intramultiplet energy transfer in the 2s22p23p 4D0 state of nitrogen atoms resulting from collisions with nitrogen molecules. The thermally averaged cross sections at 300 K vary from 36±10...

  • Delayed ionization following resonant photon absorption and intracluster electron transfer. Dao, P. D.; Castleman, A. W. // Journal of Chemical Physics;2/1/1986, Vol. 84 Issue 3, p1435 

    Ionization of clusters comprised of paraxylene (PX) bound to NH3 and N(CH3)3 is studied following the absorption of photons through the perturbed S1 state of PX. In the case of PX · NH3 where the ionization potential of PX (8.445 eV) lies below that of NH3 (10.16 eV), ionization of the...

  • Shape effects in tapered metal rods during adiabatic nanofocusing of plasmons. Vogel, Michael W.; Gramotnev, Dmitri K. // Journal of Applied Physics;Feb2010, Vol. 107 Issue 4, p044303 

    We studied adiabatic nanofocusing of strongly localized surface plasmons in tapered metal rods with parabolic perturbations of the conical shape of the taper. Typical plasmon propagation parameters and local field enhancements are determined along the tapered rod, depending on the shape and...

  • Plasmon-induced local photocurrent changes in GaAs photovoltaic cells modified with gold nanospheres: A near-field imaging study. Harada, Yosuke; Imura, Kohei; Okamoto, Hiromi; Nishijima, Yoshiaki; Ueno, Kosei; Misawa, Hiroaki // Journal of Applied Physics;Nov2011, Vol. 110 Issue 10, p104306 

    Modification of photovoltaic devices with metallic nanoparticles is expected to be one of the key methods for development of high performance devices as a future energy source. To clarify the mechanism of photocurrent changes induced by surface plasmon resonances of metal nanoparticles, we...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics