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  • High-speed signal mixer demonstrates capabilities of transistor laser

    Milton Feng, left, and Nick Holonyak Jr. have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser.

    Milton Feng, left, and Nick Holonyak Jr. have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser.

    Photo by L. Brian Stauffer

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      Milton Feng, left, and Nick Holonyak Jr. have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser.

      Photo by L. Brian Stauffer

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      Operating principle of a tunnel-junction transistor laser.

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