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Strong quantum-confined Stark effect in germanium quantum-well structures on silicon

Author

Listed:
  • Yu-Hsuan Kuo

    (Stanford University)

  • Yong Kyu Lee

    (Stanford University)

  • Yangsi Ge

    (Stanford University)

  • Shen Ren

    (Stanford University)

  • Jonathan E. Roth

    (Stanford University)

  • Theodore I. Kamins

    (Stanford University
    Hewlett-Packard Laboratories)

  • David A. B. Miller

    (Stanford University)

  • James S. Harris

    (Stanford University)

Abstract

A light at the end of the chip Silicon chips dominate electronics while optical fibres dominate long-distance information transfer. Recent work, in search of the best of both worlds, has led to silicon devices capable of modulating light; these show promise but still rely on weak physical mechanisms found in silicon itself. Now a team working at Stanford University and at Hewlett-Packard's Palo Alto labs has developed thin germanium ‘quantum well’ nanostructures grown on silicon that generate a strong quantum-mechanical effect capable of turning light beams on and off. Their performance rivals the best seen in any material. This development may allow silicon/germanium chips to handle both electronics and optics, uniting computing and communications at the integrated chip level.

Suggested Citation

  • Yu-Hsuan Kuo & Yong Kyu Lee & Yangsi Ge & Shen Ren & Jonathan E. Roth & Theodore I. Kamins & David A. B. Miller & James S. Harris, 2005. "Strong quantum-confined Stark effect in germanium quantum-well structures on silicon," Nature, Nature, vol. 437(7063), pages 1334-1336, October.
  • Handle: RePEc:nat:nature:v:437:y:2005:i:7063:d:10.1038_nature04204
    DOI: 10.1038/nature04204
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    Cited by:

    1. Zhiheng Huang & Yunfei Bai & Yanchong Zhao & Le Liu & Xuan Zhao & Jiangbin Wu & Kenji Watanabe & Takashi Taniguchi & Wei Yang & Dongxia Shi & Yang Xu & Tiantian Zhang & Qingming Zhang & Ping-Heng Tan , 2024. "Observation of phonon Stark effect," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    2. Wouter H. J. Peeters & Victor T. Lange & Abderrezak Belabbes & Max C. Hemert & Marvin Marco Jansen & Riccardo Farina & Marvin A. J. Tilburg & Marcel A. Verheijen & Silvana Botti & Friedhelm Bechstedt , 2024. "Direct bandgap quantum wells in hexagonal Silicon Germanium," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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