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Nikola Opačak
Nikola Opačak
Sensirion
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Title
Cited by
Cited by
Year
Theory of frequency-modulated combs in lasers with spatial hole burning, dispersion, and Kerr nonlinearity
N Opačak, B Schwarz
Physical review letters 123 (24), 243902, 2019
1232019
Frequency combs induced by phase turbulence
M Piccardo, B Schwarz, D Kazakov, M Beiser, N Opačak, Y Wang, S Jha, ...
Nature 582 (7812), 360-364, 2020
1142020
In-phase and anti-phase synchronization in a laser frequency comb
J Hillbrand, D Auth, M Piccardo, N Opačak, E Gornik, G Strasser, ...
Physical review letters 124 (2), 023901, 2020
832020
Unifying frequency combs in active and passive cavities: Temporal solitons in externally driven ring lasers
L Columbo, M Piccardo, F Prati, LA Lugiato, M Brambilla, A Gatti, ...
Physical Review Letters 126 (17), 173903, 2021
482021
Mode-locked short pulses from an 8 μm wavelength semiconductor laser
J Hillbrand, N Opačak, M Piccardo, H Schneider, G Strasser, F Capasso, ...
Nature communications 11 (1), 5788, 2020
462020
Frequency comb generation by Bloch gain induced giant Kerr nonlinearity
N Opačak, S Dal Cin, J Hillbrand, B Schwarz
Physical Review Letters 127 (9), 093902, 2021
432021
Comb operation in terahertz quantum cascade ring lasers
M Jaidl, N Opačak, MA Kainz, S Schönhuber, D Theiner, B Limbacher, ...
Optica 8 (6), 780-787, 2021
362021
Defect-engineered ring laser harmonic frequency combs
D Kazakov, N Opačak, M Beiser, A Belyanin, B Schwarz, M Piccardo, ...
Optica 8 (10), 1277-1280, 2021
272021
Engineering the spectral bandwidth of quantum cascade laser frequency combs
M Beiser, N Opačak, J Hillbrand, G Strasser, B Schwarz
Optics Letters 46 (14), 3416-3419, 2021
232021
Spectrally resolved linewidth enhancement factor of a semiconductor frequency comb
N Opačak, F Pilat, D Kazakov, S Dal Cin, G Ramer, B Lendl, F Capasso, ...
Optica 8 (9), 1227-1230, 2021
212021
Mitigating valence intersubband absorption in interband cascade lasers
H Knötig, J Nauschütz, N Opačak, S Höfling, J Koeth, R Weih, B Schwarz
Laser & Photonics Reviews 16 (9), 2200156, 2022
162022
Silicon integrated terahertz quantum cascade ring laser frequency comb
M Jaidl, N Opačak, MA Kainz, D Theiner, B Limbacher, M Beiser, ...
Applied Physics Letters 120 (9), 2022
132022
High-responsivity operation of quantum cascade detectors at 9 µm
G Marschick, M David, E Arigliani, N Opačak, B Schwarz, M Giparakis, ...
Optics Express 30 (22), 40188-40195, 2022
112022
Synchronization of frequency combs by optical injection
J Hillbrand, M Bertrand, V Wittwer, N Opačak, F Kapsalidis, M Gianella, ...
Optics Express 30 (20), 36087-36095, 2022
102022
Semiconductor ring laser frequency combs with active directional couplers
D Kazakov, TP Letsou, M Beiser, Y Zhi, N Opačak, M Piccardo, B Schwarz, ...
arXiv preprint arXiv:2206.03379, 2022
72022
The origin of frequency combs in free-running quantum cascade lasers
N Opačak
Technische Universität Wien, 2022
62022
Active mid-infrared ring resonators
D Kazakov, TP Letsou, M Beiser, Y Zhi, N Opačak, M Piccardo, B Schwarz, ...
Nature Communications 15 (1), 607, 2024
52024
Transmission singularities in resonant electron tunneling through double complex potential barrier
N Opačak, V Milanović, J Radovanović
physics letters A 381 (41), 3542-3547, 2017
52017
Nozaki–Bekki solitons in semiconductor lasers
N Opačak, D Kazakov, LL Columbo, M Beiser, TP Letsou, F Pilat, ...
Nature 625 (7996), 685-690, 2024
42024
Infinite dwell time and group delay in resonant electron tunneling through double complex potential barrier
N Opacak, V Milanović, J Radovanović
Superlattices and Microstructures 112, 415-421, 2017
32017
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