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Conferences > PEO > 1989 > OSDA > OSDA239

Ultrafast Optical Switching through Virtual Charge Polarization in dc-Biased Quantum-Well Structures

Masamichi Yamanishi

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Abstract

An extremely fast modulation of optical properties based on internal field screening due to virtual charge polarization in a dc-biased or built-in asymmetric quantum well structure is discussed with description of relevant optical nonlinearities caused by the virtual charge polarization. A possible device characteristic for electro-static ultrafast switch of quantum interference current through the virtual charge polarization is briefly described, as an application of this modulation scheme to ultrahigh speed optoelectronic devices.

© 1989 Optical Society of America

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