3.5k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Helmholtz Institute JenaDE407 papers
- Centre National de la Recherche ScientifiqueFR250 papers
- GSI Helmholtz Centre for Heavy Ion ResearchDE169 papers
- California Institute of TechnologyUS161 papers
- Max Planck Institute for Gravitational PhysicsDE155 papers
- Fraunhofer Institute for Applied Optics and Precision EngineeringDE147 papers
- Pennsylvania State UniversityUS147 papers
- Australian National UniversityAU139 papers
- Max Planck Institute for AstronomyDE138 papers
- University of CambridgeGB138 papers
- Goddard Space Flight CenterUS119 papers
- Leibniz University HannoverDE115 papers
28 papers · 2 filters
Influence of non-Hermitian mode topology on refractive index sensing with plasmonic waveguides
Alessandro Tuniz, Markus A. Schmidt, Boris T. Kuhlmey
We evaluate the sensing properties of plasmonic waveguide sensors by calculating their resonant transmission spectra in different regions of the non-Hermitian eigenmode space. We e…
Addressing phase-curvature in Fourier ptychography
Tomas Aidukas, Lars Loetgering, Andrew Robert Harvey
In Fourier ptychography, multiple low resolution images are captured and subsequently combined computationally into a high-resolution, large-field of view micrograph. A theoretical…
All-optical polarization and amplitude modulation of second-harmonic generation in atomically thin semiconductors
Sebastian Klimmer, Omid Ghaebi, Ziyang Gan +4
Second-harmonic generation is of paramount importance in several fields of science and technology, including frequency conversion, self-referencing of frequency combs, nonlinear sp…
Mid-Infrared Photon-Pair Generation in AgGaS
Mohit Kumar, Pawan Kumar, Andres Vega +3
We demonstrate non-degenerate photon-pair generation by spontaneous parametric down conversion in a silver gallium sulfide AgGaS crystal. By tuning the pump wavelength, we achi…
Torus Knot Angular Momentum in Twisted Attosecond Pulses from High Harmonic Generation
Björn Minneker, Birger Böning, Anne Weber +1
Bicircular twisted Laguerre-Gaussian beams possess a definite torus knot angular momentum (TKAM) as a new form of angular momentum. TKAM is conserved in nonlinear atomic processes…
Continuous-Wave Frequency Upconversion with a Molecular Optomechanical Nanocavity
Wen Chen, Philippe Roelli, Huatian Hu +8
Frequency upconversion is a cornerstone of electromagnetic signal processing, analysis and detection. It is used to transfer energy and information from one frequency domain to ano…
Coupling of a Single Tin-vacancy Center to a Photonic Crystal Cavity in Diamond
Kazuhiro Kuruma, Benjamin Pingault, Cleaven Chia +5
We demonstrate optical coupling between a single tin-vacancy (SnV) center in diamond and a free-standing photonic crystal nanobeam cavity. The cavities are fabricated using quasi-i…
Hybrid Photonic-Plasmonic Cavities based on the Nanoparticle-on-a-Mirror Configuration
Angela I. Barreda, Mario Zapata-Herrera, Isabelle Palstra +4
Hybrid photonic-plasmonic cavities have emerged as a new platform to increase light-matter interaction capable to enhance the Purcell factor in a singular way not attainable with e…
Spectrometer-free optical hydrogen sensing based on Fano-like spatial distribution of transmission in a metal-insulator-metal plasmonic Doppler grating
Yi-Ju Chen, Fan-Cheng Lin, Ankit Kumar Singh +2
Optical nanosensors are promising for hydrogen sensing because they are small, free from spark generation, and feasible for remote optical readout. Conventional optical nanosensors…
Transverse Ultrafast Laser Inscription in Bulk Silicon
M. Chambonneau, M. Blothe, Q. Li +9
In-volume ultrafast laser direct writing of silicon is generally limited by strong nonlinear propagation effects preventing the initiation of modifications. By employing a triple-o…
Signal and Noise Analysis for Chiral Structured Illumination Microscopy
Shiang-Yu Huang, Ankit Kumar Singh, Jer-Shing Huang
Recently, chiral structured illumination microscopy has been proposed to image fluorescent chiral domains at sub-wavelength resolution. Chiral structured illumination microscopy is…
1 kW, 10 mJ, 120 fs coherently combined fiber CPA laser system
Henning Stark, Joachim Buldt, Michael Müller +2
An ultrafast fiber chirped-pulse amplification laser system based on coherent combination of 16 ytterbium-doped rod-type amplifiers is presented. It generates 10 mJ pulse energy at…
Impact of thermo-optical effects in coherently-combined multicore fiber amplifiers
Albrecht Steinkopff, Cesar Jauregui, Christopher Aleshire +2
In this work we analyze the power scaling potential of amplifying multicore fibers (MCFs) used in coherently-combined systems. In particular, in this study we exemplarily consider…
Super-resolution structured illumination microscopy: past, present and future
Kirti Prakash, Benedict Diederich, Stefanie Reichelt +2
Structured illumination microscopy (SIM) has emerged as an essential technique for 3D and live-cell super-resolution imaging. However, to date, there has not been a dedicated works…
Fiber laser-driven gas plasma-based generation of THz radiation with 50-mW average power
Joachim Buldt, Michael Müller, Henning Stark +2
We present on THz generation in the two-color gas plasma scheme driven by a high-power, ultrafast fiber laser system. The applied scheme is a promising approach for scaling the THz…
A flexible, fast and benchmarked vectorial model for focused laser beams
Qingfeng Li, Maxime Chambonneau, Markus Blothe +2
In-bulk processing of materials by laser radiation has largely evolved over the last decades and still opensup new scientific and industrial potentials. The development of any in-b…
Investigation of spatiotemporal output beam profile instabilities from differentially pumped capillaries
Martin Gebhardt, Emmanuel B. Amuah, Robert Klas +4
Differentially pumped capillaries, i.e., capillaries operated in a pressure gradient environment, are widely used for nonlinear pulse compression. In this work, we show that strong…
Experimental Investigations on the TMI Thresholds of Low-NA Yb-doped single mode fibers
Franz Beier, Friedrich Moeller, Bettina Sattler +9
In this contribution we investigate the transversal mode instability behavior of an ytterbium doped commercial 20/400 fiber and obtain 2.9 kW of output power after optimizing the i…
Monolithic Thulium Fiber Laser with 567 W output power at 1970 nm
Till Walbaum, Matthias Heinzig, Thomas Schreiber +2
We report on a monolithic thulium fiber laser with 567 W output power at 1970 nm, which is the highest power reported so far directly from a thulium oscillator. This is achieved by…
Simplified Design of Optical Elements for Filled-Aperture Coherent Beam Combination
Christopher Aleshire, Albrecht Steinkopff, Cesar Jauregui +3
A simplification strategy for Segmented Mirror Splitters (SMS) used as beam combiners is presented. These devices are useful for compact beam division and combination of linear and…
10.4 kW coherently combined ultrafast fiber laser
Michael Müller, Christopher Aleshire, Arno Klenke +4
An ultrafast laser delivering 10.4 kW average output power based on coherent combination of twelve stepindex fiber amplifiers is presented. The system emits close-to-transform-limi…
High-average-power femtosecond laser at 258 nm
Michael Müller, Arno Klenke, Thomas Gottschall +6
We present an ultrafast fiber laser system delivering 4.6 W average power at 258 nm based on two-stage fourth-harmonic generation in beta barium borate (BBO). The beam quality is c…
Sequential phase locking scheme for a filled aperture intensity coherent combination of beam arrays
Arno Klenke, Michael Müller, Henning Stark +2
We present a novel phase locking scheme for the coherent combination of beam arrays in the filled aperture configuration. Employing a phase dithering mechanism for the different be…
Energetic sub-2-cycle laser with 220 W average power
Steffen Hädrich, Marco Kienel, Michael Müller +12
Few-cycle lasers are essential for many research areas such as attosecond physics that promises to address fundamental questions in science and technology. Therefore, further advan…