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Showing 1–6 of 6 results
Advanced filters: Author: Junyin Zhang Clear advanced filters

  • Thermal agitation of charge carriers, known as Johnson noise, is the dominant noise in electronic circuits. Now it has also been observed as a key noise source in integrated electro-optic photonic circuits, posing challenges for future applications.

    • Junyin Zhang
    • Zihan Li
    • Tobias J. Kippenberg
    Research
    Nature Physics
    Volume: 21, P: 304-311

  • Electro-optical photonic integrated circuits based on lithium tantalate perform as well as current state-of-the-art ones using lithium niobate but the material has the advantage of existing commercial uses in consumer electronics, easing the problem of scalability.

    • Chengli Wang
    • Zihan Li
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature
    Volume: 629, P: 784-790

  • Lithium niobate (LN) is difficult to process via dry etching. Here, authors demonstrate the fabrication of deeply etched, tightly confining, low loss LN photonic integrated circuits with losses 4 dB/m using diamond like carbon as a hard mask.

    • Zihan Li
    • Rui Ning Wang
    • Tobias J. Kippenberg
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • The transfer of ubiquitin (UB) to cellular targets is mediated sequentially by three groups of enzymes, UB activating enzyme (E1), UB conjugating enzyme (E2) and UB ligase (E3). Here the authors provide evidence that the two mammalian E1 enzymes, Uba1 and Uba6, exert biologically distinct functions.

    • Xianpeng Liu
    • Bo Zhao
    • Hiroaki Kiyokawa
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-12