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Showing 1–8 of 8 results
Advanced filters: Author: Nils Otterstrom Clear advanced filters

  • Researchers demonstrated integrated non-magnetic isolators with 24.5-dB contrast, –2.16-dB insertion loss and 2-THz (16-nm) optical bandwidth.

    • Haotian Cheng
    • Yishu Zhou
    • Peter T. Rakich
    Research
    Nature Photonics
    Volume: 19, P: 533-539

  • The authors showcase an optical-to-microwave conversion method using an optomechanical waveguide integrated with a piezoelectric transducer. The presented system allows bidirectional optical-to-microwave conversion with a quantum efficiency of up to—54.16 dB.

    • Yishu Zhou
    • Freek Ruesink
    • Peter Rakich
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Here, Kittlauset al. demonstrate stimulated inter-modal Brillouin scattering on-chip. Through this process, a Brillouin interaction couples light fields that propagate in distinct spatial modes of a Brillouin-active silicon waveguide, which may allow a variety of new processes in silicon photonics.

    • Eric A. Kittlaus
    • Nils T. Otterstrom
    • Peter T. Rakich
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-9

  • It remains challenging to realize narrowband filters needed for high-performance communications systems using integrated photonics. Using a multi-port Brillouin-based optomechanical system, the authors demonstrate an ultra-narrowband notch filter with high rejection with CMOS compatible techniques.

    • Shai Gertler
    • Nils T. Otterstrom
    • Peter T. Rakich
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Non-reciprocal single-sideband modulation and mode conversion are realized in a low-loss integrated silicon waveguide, enabling >125 GHz operation bandwidths and up to 38 dB of non-reciprocal contrast between forward- and backward-propagating waves.

    • Eric A. Kittlaus
    • Nils T. Otterstrom
    • Peter T. Rakich
    Research
    Nature Photonics
    Volume: 12, P: 613-619

  • Direct acousto-optic modulation within complementary metal–oxide–semiconductor compatible silicon photonic waveguides using electrically driven surface acoustic waves is demonstrated. Non-reciprocal operation bandwidths of >100 GHz and insertion losses of <0.6 dB are obtained.

    • Eric A. Kittlaus
    • William M. Jones
    • Mina Rais-Zadeh
    Research
    Nature Photonics
    Volume: 15, P: 43-52