Question

Let's say you can fabricate a bulk silicon diode which emits visible light. What kinds of meaningful applications that you can make use of it?

Something like silicon LED display can be possible?
Can you come up with other applications?
May 29, 2012

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All Answers (4)

  • John Liakos · Bishop Stopford School
    My opinion: This could lead to high intensity LEDs. But there is a high probability that an emitted photon at the bulk of the material will be reabsorbed by the material itself and end up as heat via photon-phonon interactions. Apart from its dependence on the thikness of the material, the absorption probability of the emitted photon is propotional to Z^4/E^3 where Z and E are the atomic number of the material and the energy of the emitted photon respectively.
    May 29, 2012
  • Chitranjan Kumar · University of Oxford
    It will be use to make a array sensor for underwater application...
    May 30, 2012
  • Xiaodong Hu
    A Silicon LED Gyroscope would be possible? It can be intergrated with many MEMS devices like Accelerometer, and so on.
    Jun 22, 2012
  • Jan-Peter Richters · Berliner Glas group
    What about optical on-chip communications? Doing the intra-chip communication with light would enable much faster microprocessors because of less heat dissipation, and creating the light-source, waveguide, and detector using the same CMOS technique as for the electronic circuit would make it affordable...
    Jul 31, 2012

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