Semiconductor device
专利汇可以提供Semiconductor device专利检索，专利查询，专利分析的服务。并且PURPOSE:To form structure proper to integration by a method wherein constitution, in which narrow spectral line width is shaped and a wavelength is stabilized, is adopted as a semiconductor laser device for local oscillation beams, signal beams are projected from one end surface of the semiconductor laser device for local oscillation beams, synthetic signal beams, an optical axis of which is arranged, are obtained from the other end surface and the synthetic signal beams are detected by a photodetector. CONSTITUTION:A semiconductor laser array 9 generates laser oscillation as local oscillation beams among the array 9 and diffraction gratings 5 through an optical waveguide array 6. the period of the diffraction grating 5 is set at a value close to the central wavelength of signal beams, and a laser oscillation wavelength is controlled by the electro-optic effect of a dielectric substrate by applying voltage to a wavelength control electrode. Signal beams 1 wave-guided to an optical guide 3 for an input are branched to three optical waveguide arrays 6, guided in the semiconductor laser arrays 9, and changed into synthetic signal beams 10 together with local oscillation beams and projected to phtodetectors 11. Only the signals of the intermediate frequency of components nearby to each local oscillation beam in signal beam components having three wavelength components are regenerated as electric signal outputs 12 from the phtodetectors 11 disposed where corresponding to respective local oscillation beam.，下面是Semiconductor device专利的具体信息内容。
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
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| 一种传输解耦的大视场光波导镜片 | 2020-05-12 | 772 |
| 一种空气包层SU8阵列波导光栅 | 2020-05-08 | 92 |
| 宽带温度不敏感及低色散的光波导结构及其设计方法 | 2020-05-11 | 699 |
| 波分复用收发一体光模块、系统及实现方法 | 2020-05-11 | 60 |
| 一种小体积多通道光接收模块结构 | 2020-05-11 | 533 |
| 波长可控阵列波导光栅 | 2020-05-08 | 778 |
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