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- Guillermo P Acuna, Martina Bucher, +9 authors Philip Tinnefeld
- ACS nano
- 2012

We study the distance-dependent quenching of fluorescence due to a metallic nanoparticle in proximity of a fluorophore. In our single-molecule measurements, we achieve excellent control over structure and stoichiometry by using self-assembled DNA structures (DNA origami) as a breadboard where both the fluorophore and the 10 nm metallic nanoparticle are… (More)

- Alexander Moroz
- Optics letters
- 2001

For any oblique incidence and arbitrarily high order, lattice sums for one-dimensional gratings can be expressed in terms of exponentially convergent series. The scattering Green's function can be efficiently evaluated also in the grating plane. Numerical implementation of the method is 200 times faster than for the previous best result.

- Alexander Moroz
- 1991

- V . A . Balkanov, I . A . Belolaptikov, +41 authors Regine Wischnewski
- 1997

V.A.BALKANOV, I.A.BELOLAPTIKOV, L.B.BEZRUKOV, B.A.BORISOVETS, N.M.BUDNEV, A.G.CHENSKY, I.A.DANILCHENKO, ZH.-A.M.DJILKIBAEV, V.I.DOBRYNIN, G.V.DOMOGATSKY, A.A.DOROSHENKO, S.V.FIALKOVSKY, O.N.GAPONENKO, A.A.GARUS, S.B.IGNATEV, A.KARLE, A.M.KLABUKOV, A.I.KLIMOV, S.I.KLIMUSHIN, A.P.KOSHECHKIN, V.F.KULEPOV, L.A.KUZMICHEV, B.K.LUBSANDORZHIEV, T.MIKOLAJSKI,… (More)

- Alexander Moroz
- 2002

Diamond and zinc-blende photonic crystals are studied both in the purely dielectric case and in the presence of small inclusions of a low absorbing metal. It is shown that small metal inclusions can have a dramatic effect on the photonic band structure. Several complete photonic band gaps (CPBG’s) can open in the spectrum, between the 2nd-3rd, 5th-6th, and… (More)

- Vassilios Yannopapas, Alexander Moroz
- Journal of physics. Condensed matter : an…
- 2005

We present a new set of artificial structures which can exhibit a negative refractive index band in excess of 6% in a broad frequency range from the deep infrared to the terahertz region. The structures are composites of two different kinds of non-overlapping spheres, one made from inherently non-magnetic polaritonic and the other from a Drude-like… (More)

- Alexander Moroz
- 2008

A classical problem of free-space Green’s function G0Λ representations of the Helmholtz equation is studied in various quasi-periodic cases, i.e., when an underlying periodicity is imposed in less dimensions than is the dimension of an embedding space. Exponentially convergent series for the free-space quasi-periodic G0Λ and for the expansion coefficients… (More)

- Astrid van der Horst, Peter D J van Oostrum, Alexander Moroz, Alfons van Blaaderen, Marileen A. Dogterom
- Applied optics
- 2008

We demonstrate the simultaneous trapping of multiple high-refractive index (n > 2) particles in a dynamic array of counterpropagating optical tweezers in which the destabilizing scattering forces are canceled. These particles cannot be trapped in single-beam optical tweezers. The combined use of two opposing high-numerical aperture objectives and… (More)

The surface plasmon modes of spherical and oblate spheroidal core-shell colloids composed of a 312 nm diameter silica core and a 20 nm thick Au shell are investigated. Large arrays of uniaxially aligned coreshell colloids with size aspect ratios ranging from 1.0 to 1.7 are fabricated using a novel ion irradiation technique. Angleand polarization-resolved… (More)

- Alexander Moroz, Charles Sommers
- 1998

Using the photonic analogue of the Korringa-Kohn-Rostocker (KKR) method, the spectrum of electromagnetic waves in a three-dimensional fcc lattice of homogeneous dielectric spheres with various dielectric contrast is analyzed. We confirm the main features of the spectrum obtained by the plane wave method, namely that for a sufficiently high dielectric… (More)