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  2. Semiconductor optical gain - Wikipedia

    en.wikipedia.org/wiki/Semiconductor_optical_gain

    While in other laser materials like in gas lasers or solid state lasers, the processes associated with optical gain are rather simple, in semiconductors this is a complex many-body problem of interacting photons, electrons, and holes. Accordingly, understanding these processes is a major objective as being a basic requirement for device ...

  3. Optical storage - Wikipedia

    en.wikipedia.org/wiki/Optical_storage

    This used a laser to warm the storage media so that it became susceptible to magnetic fields and an electromagnet, similar to the one in a hard drive, to write data by realigning the material within. It worked like a conventional optical drive during reads, with the laser operating at lower energy levels, too low to heat the disk.

  4. Razer Naga - Wikipedia

    en.wikipedia.org/wiki/Razer_Naga

    The first mouse in the Naga series to possess a maximum sensitivity of 16,000 DPI and a "5G optical laser sensor" was the Naga Chroma. Released in November 2015, Razer said it "brings the world's most advanced mouse sensor to the world of MMO gaming" and now "the Razer 5G laser sensor is capable of tracking up to true 16,000 DPI down to 1 DPI ...

  5. Optical computing - Wikipedia

    en.wikipedia.org/wiki/Optical_computing

    Optical computing or photonic computing uses light waves produced by lasers or incoherent sources for data processing, data storage or data communication for computing.For decades, photons have shown promise to enable a higher bandwidth than the electrons used in conventional computers (see optical fibers).

  6. Optical disc drive - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_drive

    The optical drives in the photos are shown right side up; the disc would sit on top of them. The laser and optical system scans the underside of the disc. With reference to the top photo, just to the right of image center is the disc motor, a metal cylinder, with a gray centering hub and black rubber drive ring on top.

  7. Optical parametric amplifier - Wikipedia

    en.wikipedia.org/wiki/Optical_parametric_amplifier

    An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification process. It is essentially the same as an optical parametric oscillator , but without the optical cavity (i.e., the light beams pass through the apparatus just once or twice, rather than many ...

  8. List of laser types - Wikipedia

    en.wikipedia.org/wiki/List_of_laser_types

    Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details).

  9. Transistor laser - Wikipedia

    en.wikipedia.org/wiki/Transistor_laser

    Transistor laser is a semiconductor device that functions as a transistor with an electrical output and an optical output, as opposed to the typical two electrical outputs. This optical output separates it from typical transistors and, because optical signals travel faster than electrical signals, has the potential to speed up computing immensely.

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