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Tunable nanowire nonlinear optical probe

Author

Listed:
  • Yuri Nakayama

    (Department of Chemistry,
    Materials Laboratories, Sony Corporation, 4-16-1 Okata, Atsugi-shi, Kanagawa 243-0021, Japan)

  • Peter J. Pauzauskie

    (Department of Chemistry,
    Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA)

  • Aleksandra Radenovic

    (and
    Physical Biosciences Division and,)

  • Robert M. Onorato

    (Department of Chemistry,)

  • Richard J. Saykally

    (Department of Chemistry,
    Physical Biosciences Division and,)

  • Jan Liphardt

    (and
    Biophysics Graduate Group, University of California
    Physical Biosciences Division and,)

  • Peidong Yang

    (Department of Chemistry,
    Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA)

Abstract

Down to the Nanowire Nanophotonics, dealing with the properties of light on a nanometre scale, could revolutionize the fields of telecommunications, computing and sensing. A newly developed nanowire frequency-tuneable light source described in this issue could contribute to the advance of nanophotonics, especially in bio-imaging applications, as it can function in physiological conditions and ensures a minimum of damage to the sample. Made from an inorganic material (potassium niobate) with nonlinear optical properties (so that it can convert light from one frequency to another), the light source was held steady with optical tweezers, then scanned over a test sample. The resulting images reveal the sample structure with subwavelength resolution. As well as bio-imaging, this methodology may also find use in advanced information technology, cryptography and signal processing circuits. The cover graphic illustrates a trapped nanowire scanning over dye-loaded microbeads in a liquid environment.

Suggested Citation

  • Yuri Nakayama & Peter J. Pauzauskie & Aleksandra Radenovic & Robert M. Onorato & Richard J. Saykally & Jan Liphardt & Peidong Yang, 2007. "Tunable nanowire nonlinear optical probe," Nature, Nature, vol. 447(7148), pages 1098-1101, June.
    • Handle: RePEc:nat:nature:v:447:y:2007:i:7148:d:10.1038_nature05921
    DOI: 10.1038/nature05921
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