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A single-molecule optical transistor

Author

Listed:
  • J. Hwang

    (Laboratory of Physical Chemistry and optETH, ETH Zurich, 8093 Zurich, Switzerland)

  • M. Pototschnig

    (Laboratory of Physical Chemistry and optETH, ETH Zurich, 8093 Zurich, Switzerland)

  • R. Lettow

    (Laboratory of Physical Chemistry and optETH, ETH Zurich, 8093 Zurich, Switzerland)

  • G. Zumofen

    (Laboratory of Physical Chemistry and optETH, ETH Zurich, 8093 Zurich, Switzerland)

  • A. Renn

    (Laboratory of Physical Chemistry and optETH, ETH Zurich, 8093 Zurich, Switzerland)

  • S. Götzinger

    (Laboratory of Physical Chemistry and optETH, ETH Zurich, 8093 Zurich, Switzerland)

  • V. Sandoghdar

    (Laboratory of Physical Chemistry and optETH, ETH Zurich, 8093 Zurich, Switzerland)

Abstract

Quantum optical transistors Quantum information processing systems and related technologies are likely to involve switching and amplification functions in ultrasmall objects such as nanotubes. In today's electronic devices the transistor performs these functions. A 'quantum age' equivalent of the conventional transistor would, ideally, use photons rather than electrons as information carriers because of their speed and robustness against decoherence. But robustness also stops them being easily controlled. Now a team from optETH and ETH in Zurich demonstrates the realization of a single-molecule optical transistor. In it, a single dye molecule coherently attenuates or amplifies a tightly focused laser beam, depending on the power of a second 'gating' beam.

Suggested Citation

  • J. Hwang & M. Pototschnig & R. Lettow & G. Zumofen & A. Renn & S. Götzinger & V. Sandoghdar, 2009. "A single-molecule optical transistor," Nature, Nature, vol. 460(7251), pages 76-80, July.
    • Handle: RePEc:nat:nature:v:460:y:2009:i:7251:d:10.1038_nature08134
    DOI: 10.1038/nature08134
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    Cited by:

    1. J.-B. Trebbia & Q. Deplano & P. Tamarat & B. Lounis, 2022. "Tailoring the superradiant and subradiant nature of two coherently coupled quantum emitters," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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