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US 2017/0059887 A1Published application
Optical modulator having reflection layers
AssigneeSamsung Electronics Co., Ltd.
InventorsChangyoung PARK, Byunghoon NA, Yonghwa PARK
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Abstract
An optical modulator is provided, including a lower reflection layer, an active layer formed on the lower reflection layer, and an upper reflection layer formed on the active layer. The active layer includes a multiple quantum well structure including a quantum well layer and a quantum barrier layer. The upper reflection layer includes a dielectric material. A plurality of micro cavity layers are included in the upper reflection layer.
Claims20
An optical modulator comprising:
- a lower reflection layer;
- an active layer disposed on the lower reflection layer, the active layer comprising a quantum well layer and a quantum barrier layer;
- an upper reflection layer disposed on the active layer, the upper reflection layer comprising a dielectric material;
- and
- a plurality of micro cavity layers disposed in the upper reflection layer.
2 more elements
An optical modulator comprising:
- a lower reflection layer;
- an active layer disposed on the lower reflection layer;
- and
- an upper reflection layer disposed on the active layer, wherein the upper reflection layer comprises a dielectric material and has a thickness of not greater than 2.7 μm.
1 more element
Dependencies are inferred from the claim text.