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Multicolor Laser Expands Integrated Photonics Landscape

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Though integrated semiconductor lasers have been at the core of integrated photonics, enabling many advancements over the last few decades in information technologies and basic science, integrated lasers continue to lack key functions that are needed for evolving applications, including lidar and AR/VR. Using a type of integrated semiconductor laser that is based on the Pockels electro-optic effect, a team from the University of Rochester (UR), with researchers at Caltech, the University of California, Santa Barbara, and Clemson University, believes that it has now developed a device...Read full article

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    Photonics Spectra
    Jan 2023
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    A semiconductor material which is designed and grown for the efficient production of short wavelength stimulated emission through high gain as well as low internal losses. Materials with band gap energies which emit radiation efficiently within the desired wavelength region are used. Diodes may emit vertically in relation to the laser material junction in a VCSEL configuration or horizontally in an edge emitting configuration. Synonymous with laser diode. Sometimes used interchangeably...
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    pockels effect
    A linear effect found in particular crystals that are capable of advancing or retarding the phase of the induced ordinary ray, relative to the extraordinary ray, when an electric field is applied. Because the effect is linear, retardation is directly proportional to the intensity of the applied electric field.
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