NASA NTRS · 19890000043
Photodiode-Coupled Light Modulator
Abstract
Absorption of one light beam controls transmission of another. High-performance monolithic light modulator comprised of p-doped/intrinsic/n-doped (PIN) GaAs photodiode grown directly over InAs/GaAs PIN multiple-quantum-well (MQW) diode. Photodiode-coupled multiple-quantum-well modulator includes advanced semi-conductor microstructures enhancing electro-optical properties. Using standard lithographic and etching techniques for defining picture elements, structures fabricated into two-dimensional arrays for use as spatial light modulators.
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Maserjian, Joseph, Eng, Sverre T.. 1989-02-01. Photodiode-Coupled Light Modulator. https://ntrs.nasa.gov/citations/19890000043
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