325 citations · 411 across the 19 of their papers we have counts for
20 papers
Nanophotonic Extreme Ultraviolet Polarimeter
Anna Kulter, Lorenz Weiß, David J. Grafinger +4
Nanophotonic engineering has revolutionized how we manipulate the polarization of visible light. Here, we extend such control to extreme ultraviolet radiation, the spectral region…
A swept-source dual-comb spectrometer on a chip
Johannes Fuchsberger, Theodore P. Letsou, Paul Chevalier +4
Dual-comb spectroscopy (DCS) enables high-speed, high-resolution spectroscopy by down-converting optical spectra to the radio-frequency (RF) domain through the interference of two…
Hybrid BaTiO3/TiO2 Metasurface for Efficient Gigahertz-Speed Free-Space Electro-Optic Modulation
Zhongpeng Sun, Kerolos M. A. Yousef, Michael Domm +13
Free-space electro-optic modulators are key to emerging photonic systems, yet their performance remains limited by trade-offs between modulation efficiency, bandwidth, and device a…
Transmissive extreme ultraviolet metagrating
Anna Kulter, Tiago Regio Crispim, Lorenz Weiss +11
Extreme ultraviolet (EUV) radiation is a key tool for attosecond physics and lithography. However, strong material absorption limits the availability of transmissive optical elemen…
Quantum-Well-Metasurface to Maximize Nonlinear Polarization
Pernille Undrum Fathi, Irene Occhiodori, Patrick Devaney +12
Nonlinear frequency conversion unlocks technologies ranging from telecommunications to quantum computation; however, weak nonlinearities and architectures that resist miniaturizati…
Roadmap on Attosecond Science
Rocio Borrego Varillas, Pierre Agostini, Fernando Ardana-Lamas +108
Twenty-five years have passed since the first experimental demonstration of attosecond pulses, marking the advent of our ability to resolve and control electron motion in real time…
Multimode Single-Ring Photonic Molecule
Jinsheng Lu, Ileana-Cristina Benea-Chelmus, Vincent Ginis +3
Photonic molecules can mimic interactions of atomic energy levels, offering new ways to manipulate cavity eigenstates. Current methods using evanescent coupling of multiple cavitie…
NIR/VIS dual-comb spectroscopy comparing high and low repetition rate regimes
Alexander Eber, Mithun Pal, Lukas Fürst +4
Dual-comb spectroscopy enables broadband analysis of key molecules with unparalleled frequency resolution and exceptional signal-to-noise ratios across various spectral regions. Ho…
Streaming Self-Corrected Dual-Comb Spectrometer
Alexander Eber, Christoph Gruber, Martin Schultze +2
We radically simplify coherently averaged dual-comb spectroscopy by introducing a real-time self-correction system: a radio frequency system-on-chip computes each incoming dual-com…
Photoacoustic microscopy with meta-optics
Dorian S. H. Brandmüller, David Grafinger, Robert Nuster +3
Recent advances in the miniaturization of optical elements have led to the emergence of novel imaging systems, used for industrial and consumer-based applications. The underlying m…
Phase-locked feed forward stabilization for dual comb spectroscopy
Mithun Pal, Alexander Eber, Lukas Fürst +3
Sustained mutual coherence between two combs over extended periods is a prerequisite for dual-comb spectroscopy (DCS), particularly in achieving high-resolution molecular spectrosc…
Cascaded-mode interferometers: spectral shape and linewidth engineering
Jinsheng Lu, Ileana-Cristina Benea-Chelmus, Vincent Ginis +2
Interferometers are essential tools to measure and shape optical fields, and are widely used in optical metrology, sensing, laser physics, and quantum mechanics. They superimpose w…
Metasurface-controlled holographic microcavities
Sydney Mason, Maryna Leonidivna Meretska, Christina Spägele +2
Optical microcavities confine light to wavelength-scale volumes and are a key component for manipulating and enhancing the interaction of light, vacuum states, and matter. Current…
All-glass 100 mm Diameter Visible Metalens for Imaging the Cosmos
Joon-Suh Park, Soon Wei Daniel Lim, Arman Amirzhan +8
Metasurfaces, optics made from subwavelength-scale nanostructures, have been limited to millimeter-sizes by the scaling challenge of producing vast numbers of precisely engineered…
High-power laser beam shaping using a metasurface for shock excitation and focusing at the microscale
Yun Kai, Jet Lem, Marcus Ossiander +6
Achieving high repeatability and efficiency in laser-induced strong shock wave excitation remains a significant technical challenge, as evidenced by the extensive efforts undertake…
Topologically protected four-dimensional optical singularities
Christina M. Spaegele, Michele Tamagnone, Soon Wei Daniel Lim +3
Optical singularities play a major role in modern optics and are frequently deployed in structured light, super-resolution microscopy, and holography. While phase singularities are…
Metasurface-Stabilized Optical Microcavities
M. Ossiander, M. L. Meretska, S. Rourke +4
We demonstrate stable optical microcavities by counteracting the phase evolution of the cavity modes using an amorphous silicon metasurface as one of the two cavity end mirrors. Ca…
Slow Light Nanocoatings for Ultrashort Pulse Shaping
M. Ossiander, Y. W. Huang, W. T. Chen +5
Transparent materials do not absorb light but have profound influence on the phase evolution of transmitted radiation. One consequence is chromatic dispersion, i.e., light of diffe…
Petahertz Spintronics
Florian Siegrist, Julia A. Gessner, Marcus Ossiander +12
The enigmatic coupling between electronic and magnetic phenomena was one of the riddles propelling the development of modern electromagnetism. Today, the fully controlled electric…
Optical study of lithographically defined, subwavelength plasmonic wires and their coupling to embedded quantum emitters
Gregor Bracher, Konrad Schraml, Marcus Ossiander +3
We present an optical investigation of surface plasmon polaritons propagating along nanoscale Au-wires, lithographically defined on GaAs substrates. A two-axis confocal microscope…