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    • Holger Mönch

    Senior Expert of Product Management, TRUMPF Photonic Components

    Dr. Holger Mönch is senior expert of product management at TRUMPF Photonic Components (Ulm, Germany).

    (Photo credit: TRUMPF)
    FIGURE 1. This VCSEL comes with an additional optical structure. A photodiode is part of the VCSEL that detects reflected light signals.
    Lasers & Sources

    Full sensor functionality integrated into tiny VCSELs

    Holger Mönch
    March 15, 2023
    Vertical-cavity surface-emitting lasers (VCSELs) with an integrated photodiode not only emit light, but also detect light reflected back—enabling measurements of velocity and ...
    (Courtesy of Philips Photonics)
    FIGURE 1. A Philips Photonics high-power VCSEL array consists of many laser apertures in hexagonal packing and surrounded by gold contacts.
    Lasers & Sources

    Vertical-cavity Surface-emitting Lasers: VCSEL arrays provide leading-edge illumination for 3D sensing

    Holger Mönch
    Oct. 12, 2017
    Vertical-cavity surface-emitting laser arrays enable power scaling for lidar and other sensing applications.