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Green silicon photonics

Optics and Photonics News, ISSN: 1047-6938, Vol: 20, Issue: 6, Page: 18-23
2009
  • 19
    Citations
  • 1
    Usage
  • 14
    Captures
  • 2
    Mentions
  • 0
    Social Media
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Article Description

Silicon photonics have provided low-cost communication components for Internet applications and are now aimed towards providing environmentally friendly and green optical solutions. The need for energy-efficient photonics is due to the excessive energy dissipated in advanced electronics and an increase in power density that has posed a challenge to the most advanced chip-cooling technologies. The two-photon absorption (TPA)-generated free carriers need to be actively removed from the waveguide cover to eliminate any event of light absorption and a subsequent conversion to heat. Researchers have proposed an electro-optic modulator that takes advantage of the two-photon photovoltaic (TPPV) effect to attain negative static power dissipation. Photovoltaic power converters (PPC) are used for remote power delivery and are optimized for a wavelength range from 1,200 to 1,550 nm.

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