Optical semiconductor device
专利汇可以提供Optical semiconductor device专利检索，专利查询，专利分析的服务。并且PURPOSE: To expedite the annihilation of excitons and to prevent a drastic increase in light absorption having no relation with a nonlinear optical effect.
CONSTITUTION: The semiconductor laminate of the optical semiconductor device which makes signal light 6 parallel with an optical axis incident on a resonator and modulates the intensity of the signal light, includes a quantum well structure 8 including at least one 1st layers 1 which are formed of a 1st material having a 1st band gap and have the thickness to allow the existence of the excitons having the exciton absorption band corresponding to the light energy of the signal light and 2nd layers 2 which are formed of the 2nd material having the 2nd band gap wider than the 1st gap and the bottom of the band higher in energy than the bottom of the band of the 1st material and have the thickness to allow the channeling of carriers and a 3rd layer 3 which is formed of a 3rd material having the bottom of the band lower in energy than the bottom of the band of the 2nd material, has the min. energy level of the carriers lower than the min. energy level of the carriers within the 1st layer and is disposed near the position of (2n+1)/4 wavelength from both ends of the resonator.
COPYRIGHT: (C)1992,JPO&Japio，下面是Optical semiconductor device专利的具体信息内容。
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4 光触媒装置
