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Showing 1–7 of 7 results
Advanced filters: Author: Gunther Roelkens Clear advanced filters

  • Lithium tantalate is heterogeneously integrated with silicon photonic integrated circuits via a micro-transfer printing process in a manner fully compatible with existing workflows. A Mach–Zehnder modulator with an insertion loss of 2.9 dB and 70 GHz operation is demonstrated.

    • Margot Niels
    • Tom Vanackere
    • Maximilien Billet
    Research
    Nature Photonics
    P: 1-7

  • Phase-coherent frequency combs in the mid-infrared have important potential applications but their fabrication remains challenging. Here, Kuyken et al. demonstrate an octave-spanning frequency comb in the mid-infrared using a highly nonlinear dispersion-engineered silicon waveguide on a silicon-on-insulator chip.

    • Bart Kuyken
    • Takuro Ideguchi
    • Nathalie Picqué
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • Scientists demonstrate that a single 7.5-μm-diameter microdisk laser coupled to a silicon-on-insulator wire waveguide can work as an all-optical flip-flop memory. Under a continuous bias of 3.5 mA, flip-flop operation is demonstrated using optical triggering pulses of 1.8 fJ and with a switching time of 60 ps. This device is attractive for on-chip all-optical signal buffering, switching, and processing.

    • Liu Liu
    • Rajesh Kumar
    • Geert Morthier
    Research
    Nature Photonics
    Volume: 4, P: 182-187

  • Efficient four-wave-mixing process in silicon nanophotonic wires facilitates spectral translation of a signal at 2,440 nm to the telecommunications band at 1,620 nm across a span of 62 THz. This approach helps eliminate cooling requirements for the narrow-bandgap semiconductors traditionally used to detect mid-infrared photons.

    • Xiaoping Liu
    • Bart Kuyken
    • William M. J. Green
    Research
    Nature Photonics
    Volume: 6, P: 667-671