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Updated: Jun 19, 2026

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
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All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

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Phase-controlled transistor action by cascading of second-order nonlinearities in KTP

D J Hagan, Z Wang, G Stegeman

    Optics Letters
    |October 27, 2009
    PubMed
    Summary

    Researchers achieved a 4.6-to-1 modulation depth for intense picosecond pulses by controlling a weaker pulse. This transistorlike action utilizes quadratic nonlinearities in potassium titanyl phosphate (KTP) crystals.

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