Marcus Ossiander
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View article: Photoacoustic microscopy with meta-optics
Photoacoustic microscopy with meta-optics Open
Recent advances in the miniaturization of optical elements have led to the emergence of imaging systems used for industrial and consumer-based applications. The underlying methods are particularly prevalent in the realms of medical imaging…
View article: Sub-20 femtosecond, 100 kHz repetition rate, microjoule pulse generation in a high-pressure hollow-core fiber
Sub-20 femtosecond, 100 kHz repetition rate, microjoule pulse generation in a high-pressure hollow-core fiber Open
We present the 10-fold spectral broadening of laser pulses with tens-of-microjoules pulse energy via self-phase modulation in an argon-filled 200 µm diameter hollow-core fiber at 49% transmission. After broadening, the initially 160 fs lon…
View article: NIR/VIS dual-comb spectroscopy comparing high and low repetition rate regimes
NIR/VIS dual-comb spectroscopy comparing high and low repetition rate regimes Open
Dual-comb spectroscopy enables broadband analysis of key molecules with unparalleled frequency resolution and exceptional signal-to-noise ratios across various spectral regions. However, fully harnessing its potential for broadband spectro…
View article: Streaming self-corrected dual-comb spectrometer
Streaming self-corrected dual-comb spectrometer Open
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-comb interferogram's phase, frequency, and arrival time; calcu…
View article: Cascaded-mode interferometers: Spectral shape and linewidth engineering
Cascaded-mode interferometers: Spectral shape and linewidth engineering Open
Interferometers are essential tools for measuring and shaping optical fields, widely used in optical metrology, sensing, laser physics, and quantum mechanics. They superimpose waves with a mutual phase delay, modifying light intensity. A f…
View article: Attosecond microscopy —Advances and outlook
Attosecond microscopy —Advances and outlook Open
Attosecond microscopy aims to record electron movement on its natural length and time scale. It is a gateway to understanding the interaction of matter and light, the coupling between excitations in solids, and the resulting energy flow an…
View article: Phase-Locked Feed-Forward Stabilization for Dual-Comb Spectroscopy
Phase-Locked Feed-Forward Stabilization for Dual-Comb Spectroscopy Open
Sustained mutual coherence between 2 combs over extended periods is a prerequisite for dual-comb spectroscopy (DCS), particularly in achieving high-resolution molecular spectroscopy and precise spectral measurements. However, achieving lon…
View article: Photoacoustic microscopy with meta-optics
Photoacoustic microscopy with meta-optics Open
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 methods are particularly prevalent in the realms of medical …
View article: Phase-locked feed forward stabilization for dual comb spectroscopy
Phase-locked feed forward stabilization for dual comb spectroscopy Open
Sustained mutual coherence between two combs over extended periods is a prerequisite for dual-comb spectroscopy (DCS), particularly in achieving high-resolution molecular spectroscopy and precise spectral measurements. However, achieving l…
View article: Cascaded-mode interferometers: spectral shape and linewidth engineering
Cascaded-mode interferometers: spectral shape and linewidth engineering Open
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 waves with a mutual phase delay, resulting in a change in li…
View article: Addition to “All-Glass 100 mm Diameter Visible Metalens for Imaging the Cosmos”
Addition to “All-Glass 100 mm Diameter Visible Metalens for Imaging the Cosmos” Open
ADVERTISEMENT RETURN TO ARTICLES ASAPPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionAddition to "All-Glass 100 mm Diameter Visible Metalens for Imaging the Cosmos"Joon-Suh Park*Joon-Suh ParkMore by Joon-Suh Parkhttps…
View article: Metasurface-Controlled Holographic Microcavities
Metasurface-Controlled Holographic Microcavities Open
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 microcavities are constrained to a small number of spatial …
View article: Few-Cycle Surface Plasmon Polaritons
Few-Cycle Surface Plasmon Polaritons Open
Surface plasmon polaritons (SPPs) can confine and guide light in nanometer volumes and are ideal tools for achieving electric field enhancement and the construction of nanophotonic circuitry. The realization of the highest field strengths …
View article: All-Glass 100 mm Diameter Visible Metalens for Imaging the Cosmos
All-Glass 100 mm Diameter Visible Metalens for Imaging the Cosmos Open
Metasurfaces, optics made from subwavelength-scale nanostructures, have been limited to millimeter-sizes by the scaling challenge of producing vast numbers of precisely engineered elements over a large area. In this study, we demonstrate a…
View article: Attosecond dynamics of photoemission over a wide photon energy range
Attosecond dynamics of photoemission over a wide photon energy range Open
Dynamics of photoemission from surfaces are usually studied at low photon energies (<100 eV). Here, we report on new findings on these dynamics observed at a tungsten surface on the attosecond time scale at photon energies exceeding 100 eV…
View article: Metasurface-controlled holographic microcavities
Metasurface-controlled holographic microcavities Open
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 microcavities are constrained to a small number of spatial …
View article: All-glass 100 mm Diameter Visible Metalens for Imaging the Cosmos
All-glass 100 mm Diameter Visible Metalens for Imaging the Cosmos Open
Metasurfaces, optics made from subwavelength-scale nanostructures, have been limited to millimeter-sizes by the scaling challenge of producing vast numbers of precisely engineered elements over a large area. In this study, we demonstrate a…
View article: High-power laser beam shaping using a metasurface for shock excitation and focusing at the microscale
High-power laser beam shaping using a metasurface for shock excitation and focusing at the microscale Open
Achieving high repeatability and efficiency in laser-induced strong shock wave excitation remains a significant technical challenge, as evidenced by the extensive efforts undertaken at large-scale national laboratories to optimize the comp…
View article: Topologically protected optical polarization singularities in four-dimensional space
Topologically protected optical polarization singularities in four-dimensional space Open
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 uniquely defined as locations of undefined phase, polariza…
View article: Metasurface-stabilized optical microcavities
Metasurface-stabilized optical microcavities Open
Cavities concentrate light and enhance its interaction with matter. Confining to microscopic volumes is necessary for many applications but space constraints in such cavities limit the design freedom. Here we demonstrate stable optical mic…
View article: Data for Extreme Ultraviolet Metalens by Vacuum Guiding
Data for Extreme Ultraviolet Metalens by Vacuum Guiding Open
Data for Extreme Ultraviolet Metalens by Vacuum Guiding M. Ossiander1, *, †, M. L. Meretska1, †, H. K. Hampel2, †, S. W. D. Lim1, N. Knefz2, T. Jauk2, F. Capasso1, *, M. Schultze2, * 1 John A. Paulson School of Engineering and Applied Scie…
View article: Data for Metasurface-Stabilized Optical Microcavities
Data for Metasurface-Stabilized Optical Microcavities Open
Data for Metasurface-Stabilized Optical Microcavities M. Ossiander 1, *, M. L. Meretska1, S. Rourke1,2, C. M. Spaegele1, X. Yin1, I. C. Benea-Chelmus1,3, F. Capasso1, * 1 John A. Paulson School of Engineering and Applied Sciences, Harvard…
View article: Data for Slow Light Nanocoatings for Ultrashort Pulse Compression
Data for Slow Light Nanocoatings for Ultrashort Pulse Compression Open
Data for Slow light nanocoatings for ultrashort pulse compressionM. Ossiander1,* Y.-W. Huang1,2, W. T. Chen1, Z. Wang3, X. Yin1, Y. A. Ibrahim1,4, M. Schultze3, F. Capasso1*1 John A. Paulson School of Engineering and Applied Sciences, Harv…
View article: Data for The speed limit of optoelectronics
Data for The speed limit of optoelectronics Open
Data for The speed limit of optoelectronicsM. Ossiander1,6,*, K. Golyari1,2, K. Scharl1,2, L. Lehnert1,2, F. Siegrist1,2, J. P. Bürger1,2, D. Zimin1,2, J. A. Gessner1,2, M. Weidman1,2, I. Floss3, V. Smejkal3, S. Donsa3, C. Lemell3, F. Libi…
View article: Topologically protected four-dimensional optical singularities
Topologically protected four-dimensional optical singularities Open
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 uniquely defined as locations of undefined phase, polariza…
View article: The speed limit of optoelectronics
The speed limit of optoelectronics Open
Light-field driven charge motion links semiconductor technology to electric fields with attosecond temporal control. Motivated by ultimate-speed electron-based signal processing, strong-field excitation has been identified viable for the u…
View article: Slow Light Nanocoatings for Ultrashort Pulse Shaping
Slow Light Nanocoatings for Ultrashort Pulse Shaping Open
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 different frequencies travels at different velocities, causing u…