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19922020
most citedIn vivo anomalous diffusion and weak ergodicity breaking of lipid granules

662 citations

Showing 2018 · physics.opticsShow all

5 papers · 2 filters

physics.optics2018★ 61 cited

Optical frequency comb photoacoustic spectroscopy

Ibrahim Sadiek, Tommi Mikkonen, Markku Vainio +2

We report the first photoacoustic detection scheme using an optical frequency comb - the optical frequency comb photoacoustic spectroscopy (OFC-PAS). OFC-PAS combines the broad spe…

physics.optics2018★ 102 cited

Less is more - enhancement of second-harmonic generation from metasurfaces by reduced nanoparticle density

Robert Czaplicki, Antti Kiviniemi, Mikko J. Huttunen +7

We investigate optical second-harmonic generation (SHG) from metasurfaces where noncentrosymmetric V-shaped gold nanoparticles are ordered into regular array configurations. In con…

physics.optics2018★ 18 cited

Demonstration of Optical Nonlinearity in InGaAsP/InP Passive Waveguides

Shayan Saeidi, Payman Rasekh, Kashif M. Awan +3

We report on the study of the third-order nonlinear optical interactions in InGaAsP/InP strip-loaded waveguides. The material composition and waveguide…

physics.optics2018

Diode-laser-pumped continuous-wave mid-infrared optical parametric oscillator

Ville Ulvila, Markku Vainio

We report a singly resonant continuous-wave optical parametric oscillator (SRO), which is pumped by a semiconductor laser system and operates in the mid-infrared region (2.9 to 3.6…

physics.optics2018★ 57 cited

Using surface lattice resonances to engineer nonlinear optical processes in metal nanoparticle arrays

Mikko J. Huttunen, Payman Rasekh, Robert W. Boyd +1

Collective responses of localized surface plasmon resonances, known as surface lattice resonances (SLRs) in metal nanoparticle arrays, can lead to high quality factors (~100), larg…