On-chip visible-to-infrared supercontinuum generation with more than 495 THz spectral bandwidth JP Epping, T Hellwig, M Hoekman, R Mateman, A Leinse, RG Heideman, ... Optics express 23 (15), 19596-19604, 2015 | 139 | 2015 |
Two-octave spanning supercontinuum generation in stoichiometric silicon nitride waveguides pumped at telecom wavelengths MAG Porcel, F Schepers, JP Epping, T Hellwig, M Hoekman, ... Optics express 25 (2), 1542-1554, 2017 | 124 | 2017 |
Portable all-fiber dual-output widely tunable light source for coherent Raman imaging M Brinkmann, A Fast, T Hellwig, I Pence, CL Evans, C Fallnich Biomedical optics express 10 (9), 4437-4449, 2019 | 81 | 2019 |
Near-infrared photoswitching of cyclodextrin–guest complexes using lanthanide-doped LiYF 4 upconversion nanoparticles N Möller, T Hellwig, L Stricker, S Engel, C Fallnich, BJ Ravoo Chemical communications 53 (1), 240-243, 2017 | 58 | 2017 |
Stabilization of High Oxidation State Upconversion Nanoparticles by N‐Heterocyclic Carbenes N Möller, A Rühling, S Lamping, T Hellwig, C Fallnich, BJ Ravoo, ... Angewandte Chemie International Edition 56 (15), 4356-4360, 2017 | 55 | 2017 |
Automated characterization and alignment of passively mode-locked fiber lasers based on nonlinear polarization rotation T Hellwig, T Walbaum, P Groß, C Fallnich Applied Physics B 101, 565-570, 2010 | 42 | 2010 |
Electronically and rapidly tunable fiber-integrable optical parametric oscillator for nonlinear microscopy M Brinkmann, S Janfrüchte, T Hellwig, S Dobner, C Fallnich Optics Letters 41 (10), 2193-2196, 2016 | 37 | 2016 |
Optical repetition rate stabilization of a mode-locked all-fiber laser S Rieger, T Hellwig, T Walbaum, C Fallnich Optics Express 21 (4), 4889-4895, 2013 | 35 | 2013 |
Experimental realization of femtosecond transverse mode conversion using optically induced transient long-period gratings T Hellwig, M Schnack, T Walbaum, S Dobner, C Fallnich Optics express 22 (21), 24951-24958, 2014 | 28 | 2014 |
Selective Hermite–Gaussian mode excitation in a laser cavity by external pump beam shaping F Schepers, T Bexter, T Hellwig, C Fallnich Applied Physics B 125, 1-8, 2019 | 25 | 2019 |
Ultrafast two-color all-optical transverse mode conversion in a graded-index fiber M Schnack, T Hellwig, M Brinkmann, C Fallnich Optics letters 40 (20), 4675-4678, 2015 | 24 | 2015 |
Supercontinuum Generation in Media with Sign‐Alternated Dispersion H Zia, NM Lüpken, T Hellwig, C Fallnich, KJ Boller Laser & Photonics Reviews 14 (7), 2000031, 2020 | 20 | 2020 |
Toward an all-optically stabilized frequency comb based on a mode-locked fiber laser T Hellwig, S Rieger, C Fallnich Optics letters 39 (3), 525-527, 2014 | 20 | 2014 |
Optically induced mode conversion in graded-index fibers using ultra-short laser pulses T Hellwig, T Walbaum, C Fallnich Applied Physics B 112, 499-505, 2013 | 20 | 2013 |
Multi-window sparse spectral sampling stimulated Raman scattering microscopy IJ Pence, BA Kuzma, M Brinkmann, T Hellwig, CL Evans Biomedical Optics Express 12 (10), 6095-6114, 2021 | 17 | 2021 |
Optical parametric chirped pulse oscillation M Brinkmann, T Hellwig, C Fallnich Optics Express 25 (11), 12884-12895, 2017 | 16 | 2017 |
Ultrafast, all-optical control of modal phases in a few-mode fiber for all-optical switching M Schnack, T Hellwig, C Fallnich Optics Letters 41 (23), 5588-5591, 2016 | 16 | 2016 |
High-sensitivity frequency modulation CARS with a compact and fast tunable fiber-based light source T Würthwein, M Brinkmann, T Hellwig, K Wallmeier, C Fallnich Optics letters 46 (15), 3544-3547, 2021 | 13 | 2021 |
Spectrally resolving single-shot polarimeter S Knitter, T Hellwig, M Kues, C Fallnich Optics letters 36 (16), 3048-3050, 2011 | 13 | 2011 |
Multi-color stimulated Raman scattering with a frame-to-frame wavelength-tunable fiber-based light source T Würthwein, K Wallmeier, M Brinkmann, T Hellwig, NM Lüpken, ... Biomedical optics express 12 (10), 6228-6236, 2021 | 11 | 2021 |