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  2. Quantum dot laser - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot_laser

    A 10 Gbit/s quantum dot laser that is insensitive to temperature fluctuation for use in optical data communications and optical networks has been developed using this technology. The laser is capable of high-speed operation at 1.3 μm wavelengths, at temperatures from 20 °C to 70 °C. It works in optical data transmission systems, optical LANs ...

  3. Quantum dot single-photon source - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot_single-photon...

    Therefore, the quantum dot is an emitter of single photons. A key challenge in making a good single-photon source is to make sure that the emission from the quantum dot is collected efficiently. To do that, the quantum dot is placed in an optical cavity. The cavity can, for instance, consist of two DBRs in a micropillar (Fig. 1).

  4. Quantum dot - Wikipedia

    en.wikipedia.org/wiki/Quantum_dot

    On 23 January 2013 Dow entered into an exclusive licensing agreement with UK-based Nanoco for the use of their low-temperature molecular seeding method for bulk manufacture of cadmium-free quantum dots for electronic displays, and on 24 September 2014 Dow commenced work on the production facility in South Korea capable of producing sufficient ...

  5. Electromagnetically induced transparency - Wikipedia

    en.wikipedia.org/wiki/Electromagnetically...

    This plot is a computer simulation of EIT in an InAs/GaAs quantum dot Electromagnetically induced transparency ( EIT ) is a coherent optical nonlinearity which renders a medium transparent within a narrow spectral range around an absorption line .

  6. Graphene quantum dot - Wikipedia

    en.wikipedia.org/wiki/Graphene_quantum_dot

    Graphene quantum dots (GQDs) are graphene nanoparticles with a size less than 100 nm. Due to their exceptional properties such as low toxicity, stable photoluminescence , chemical stability and pronounced quantum confinement effect, GQDs are considered as a novel material for biological, opto-electronics, energy and environmental applications.

  7. Distributed-feedback laser - Wikipedia

    en.wikipedia.org/wiki/Distributed-feedback_laser

    A distributed-feedback laser (DFB) is a type of laser diode, quantum-cascade laser or optical-fiber laser where the active region of the device contains a periodically structured element or diffraction grating. The structure builds a one-dimensional interference grating (Bragg scattering), and the grating provides optical feedback for the

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