Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1993-04-13
1994-04-26
Hellner, Mark
Optical: systems and elements
Optical modulator
Light wave temporal modulation
H01L 3300
Patent
active
053072006
ABSTRACT:
A planar semiconductor optical device for modulating an optical beam includes an active layer provided on a substrate, the active layer having a quantum structure and being laterally surrounded by an optical confinement region which has a refractive index smaller than the effective refractive index of the active layer.
REFERENCES:
patent: 4525687 (1985-06-01), Chemla et al.
patent: 5117477 (1992-05-01), Satoh
patent: 5126875 (1992-06-01), Tabuchi
patent: 5200605 (1993-04-01), Satoh et al.
Hellner Mark
Ricoh & Company, Ltd.
Ricoh Research Institute of General Electronics Co., Ltd.
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