activity
20102026
most citedOn-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections

65 citations · 128 across the 14 of their papers we have counts for

collaborators

14 papers

physics.optics2026

Fast dynamic wavefront correction for multi-photon microscopy with a high resolution MEMS phase-only modulator

Juan David Muñoz-Bolaños, Eva Ernst, Maria Borozdova +6

Multi-photon microscopy is a powerful technique for deep-tissue imaging, providing high spatial resolution at increased penetration depth. Nevertheless, imaging remains largely res…

physics.optics2024

Confocal Raman Microscopy with Adaptive Optics

J. D. Munoz-Bolanos, P. Rajaeipour, K. Kummer +4

Confocal Raman microscopy, a highly specific and label-free technique for the microscale study of thick samples, often presents difficulties due to weak Raman signals. Inhomogeneou…

physics.optics2024★ 6 cited

Complex-valued scatter compensation in nonlinear microscopy

Maximilian Sohmen, Maria Borozdova, Monika Ritsch-Marte +1

Nonlinear, i.e., multi-photon microscopy is a powerful technique for imaging deep into biological tissues. Its penetration depth can be increased further using adaptive optics. In…

physics.optics2023

Interactive simulation and visualization of point spread functions in single molecule imaging

Magdalena C. Schneider, Fabian Hinterer, Alexander Jesacher +1

The point spread function (PSF) is fundamental to any type of microscopy, most importantly so for single-molecule localization techniques, where the exact PSF shape is crucial for…

physics.optics2023★ 1 cited

High Speed Precise Refractive Index Modification for Photonic Chips through Phase Aberrated Pulsed Lasers

Bangshan Sun, Simon Moser, Alexander Jesacher +3

Integrated photonic chips have significant potential in telecommunications, classic computing, quantum systems, and topological photonics. Direct laser writing offers unique capabi…

physics.optics2022★ 7 cited

Optofluidic adaptive optics in multi-photon microscopy

Maximilian Sohmen, Juan D. Muñoz-Bolaños, Pouya Rajaeipour +3

Adaptive optics in combination with multi-photon techniques is a powerful approach to image deep into a specimen. Remarkably, virtually all adaptive optics schemes today rely on wa…

physics.optics2022

Direct laser written aperiodic photonic volume elements for complex light shaping with high efficiency: inverse design and fabrication

Nicolas Barré, Ravi Shivaraman, Simon Moser +4

Light plays the central role in many applications. The key to unlocking its versatility lies in shaping it into the most appropriate form for the task at hand. Specifically tailore…

physics.optics2022★ 5 cited

Sensorless wavefront correction in two-photon microscopy across different turbidity scales

Maximilian Sohmen, Molly A. May, Nicolas Barré +2

Adaptive optics (AO) is a powerful tool to increase the imaging depth of multiphoton scanning microscopes. For highly scattering tissues, sensorless wavefront correction techniques…

physics.optics2021★ 65 cited

On-chip beam rotators, adiabatic mode converters, and waveplates through low-loss waveguides with variable cross-sections

Bangshan Sun, Fyodor Morozko, Patrick S. Salter +14

Photonics integrated circuitry would benefit considerably from the ability to arbitrarily control waveguide cross-sections with high precision and low loss, in order to provide mor…

physics.optics2021★ 22 cited

Inverse design of gradient-index volume multimode converters

Nicolas Barré, Alexander Jesacher

Graded-index optical elements are capable of shaping light precisely and in very specific ways. While classical freeform optics uses only a two-dimensional domain such as the surfa…

physics.optics2021★ 1 cited

Holographic beam shaping of partially coherent light

Nicolas Barré, Alexander Jesacher

We present an algorithm for holographic shaping of partially coherent light, bridging the gap between traditional coherent and geometric optical approaches. The description of part…

physics.optics2021

Robust and bias-free localization of individual fixed dipole emitters achieving the Cramér Rao bound

Fabian Hinterer, Magdalena C. Schneider, Simon Hubmer +5

Single molecule localization microscopy has the potential to resolve structural details of biological samples at the nanometer length scale. However, to fully exploit the resolutio…

physics.optics2017★ 2 cited

Four-dimensional light shaping: manipulating ultrafast spatio-temporal foci in space and time

Bangshan Sun, Patrick S. Salter, Clemens Roider +5

Spectral dispersion of ultrashort pulses allows simultaneous focusing of light in both space and time creating so-called spatio-temporal foci. Such space-time coupling may be combi…

physics.optics2010★ 19 cited

Three-dimensional imaging of direct-written photonic structures

Graham D. Marshall, Alexander Jesacher, Anisha Thayil +2

Third harmonic generation microscopy has been used to analyze the morphology of photonic structures created using the femtosecond laser direct-write technique. Three dimensional wa…