Journal: OSA Technical Digest

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Optica

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2022 - 202350
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Publications 1 - 10 of 50
  • Lithium-Niobate-Based Frequency-Agile Integrated Lasers
    Item type: Conference Paper
    Snigirev, Viacheslav; Riedhauser, Annina; Likhachev, Grigorii V.; et al. (2022)
    OSA Technical Digest ~ European Conference on Optical Communication (ECOC) 2022
    We demonstrate narrow-linewidth ultrafast tunable integrated lasers based on heterogeneously integrated thin-film lithium niobate on ultra-low loss silicon nitride integrated photonic circuits. Using self-injection locking of a hybrid microresonator, we achieve a tuning speed of > 10 peta-Hertz-per-second. We also perform FMCW LiDAR ranging experiments.
  • Low-Loss Graphene Organic Hybrid Phase Modulators
    Item type: Other Conference Item
    Ma, Ping; Zhang, Xinzhi; Heni, Wolfgang; et al. (2022)
    OSA Technical Digest ~ Conference on Lasers and Electro-Optics
    Ultra-short, low-loss graphene-organic hybrid phase modulators are introduced. 20 Gbit/s PAM-2 and PAM-4 data modulation are demonstrated with devices of 25 μm length and on-chip losses of 0.86 dB
  • Long-Distance Ranging with Fiber-Frontend-Based LiDAR using a Free-Running Dual-Comb Laser
    Item type: Other Conference Item
    Camenzind, Sandro L.; Fricke, Jacob F.; Kellner, Jost; et al. (2022)
    OSA Technical Digest ~ Conference on Lasers and Electro-Optics
    We demonstrate long-distance ranging with a fiber-frontend-based LiDAR using a free-running solid-state dual-comb laser to reduce complexity and increase robustness. A distance of >10 meters to a moving target can be measured with micrometer precision.
  • Modelocked InGaSb-MIXSEL at 2.04 µm
    Item type: Conference Paper
    Gaulke, Marco; Heidrich, Jonas; Huwyler, Nicolas; et al. (2023)
    OSA Technical Digest ~ 2023 Conference on Lasers and Electro-Optics (CLEO)
    We present the first modelocked, backside-cooled InGaSb-MIXSEL operating at 2035 nm, producing fundamentally modelocked pulses of 1.5 ps with average output power up to 27 mW at 3.9 GHz repetition rate.
  • Integrated Photonic-Electronic Memristors
    Item type: Other Conference Item
    Emboras, Alexandros; Portner, Kevin; Weilenmann, Christoph; et al. (2022)
    OSA Technical Digest ~ Conference on Lasers and Electro-Optics
    We integrate memristors in a silicon photonic/plasmonic platform and demonstrate modulators, photodetectors and electronic devices complemented with memory effect. The demonstrated memristors could be the key photonic building blocks in hybrid photonic-electronic neuromorphic chips.
  • Towards high-sensitivity mid-IR dual-comb spectroscopy via solid-state laser driven optical parametric oscillators
    Item type: Other Conference Item
    Bauer, Carolin P.; Pupeikis, Justinas; Willenberg, Benjamin; et al. (2022)
    OSA Technical Digest ~ Conference on Lasers and Electro-Optics
    We demonstrate a dual-comb 80-MHz optical parametric oscillator from a single-cavity and a diode-pumped 250-MHz Yb:YAG dual-comb oscillator. Their combination can lead to a low-noise source in the mid-IR with high-power per comb line.
  • All-Optical Switching of Infrared Light on a Lithium Niobate/Semiconductor Interface
    Item type: Other Conference Item
    Karvounis, Artemios; Weigand, Helena; Vogler-Neuling, Viola Valentina; et al. (2022)
    OSA Technical Digest ~ Conference on Lasers and Electro-Optics
    We use photo-excited charges on a lithium niobate/semiconductor interface to perform reversible all-optical control of infrared light. Upon, below bandgap illumination it is recorded transmission contrast of 80% due to the build-up of a space-charge.
  • Dual-comb spectroscopy of C2H2 in SWIR using a 250-MHz optical parametric oscillator
    Item type: Other Conference Item
    Bauer, Carolin P.; Pupeikis, Justinas; Willenberg, Benjamin; et al. (2022)
    OSA Technical Digest ~ Optica Advanced Photonics Congress 2022
    We demonstrate coherent dual-comb spectroscopy of C2H2 at 1520 nm using a spatially- multiplexed dual-comb 250-MHz OPO from a linear single-cavity. The repetition-rate difference is 15.4 kHz. Each signal comb has >125-mW average power.
  • Rapid motion-free generation of interpulse delays for time-domain pump-probe spectroscopies with amplified fs pulses
    Item type: Other Conference Item
    Flöry, Tobias; Stummer, Vinzenz; Pupeikis, Justinas; et al. (2022)
    OSA Technical Digest ~ Conference on Lasers and Electro-Optics
    We present a dual-channel ultrafast amplifier delivering millijoule energy with electronically tunable delay of the output pulses from femtoseconds to milliseconds with femtosecond precision. Millijoule energies allow frequency-conversion enabling numerous applications in linear and nonlinear spectroscopy.
  • Laser-Written Waveguide Array Optimized for Individual Control of Trapped Ion Qubits in a Chain
    Item type: Conference Paper
    Timpu, Flavia; Matt, Roland; Piacentini, Simone; et al. (2022)
    OSA Technical Digest ~ European Conference on Optical Communication (ECOC) 2022
    We design and fabricate a waveguide array with custom mode size and pitch. We measure crosstalk values below -45 dB within the array and Gaussian emission profiles. This device enhances the performance of parallel addressing of individual ions compared to state-of-the-art methods using beam deflectors.
Publications 1 - 10 of 50