Xi'an Institute of Optics and Precision Mechanics,CAS
Optical transmission circuit | |
其他题名 | Optical transmission circuit |
NISHIMURA, KAZUKO; KIMURA, HIROSHI | |
2009-05-28 | |
专利权人 | PANASONIC CORPORATION |
公开日期 | 2009-05-28 |
授权国家 | 美国 |
专利类型 | 发明申请 |
摘要 | An optical transmission circuit includes a light emitting device (10) having different temperature characteristics at low temperature and high temperature (e.g., a VCSEL (Vertical Cavity Surface Emitting Laser), differential switch transistors (M1, M2) for driving the light emitting device (10), the differential switch transistors having sources connected to each other and drains connected to the light emitting device (10) and a power supply, respectively, a bias current source (11) for causing a bias current to flow, a modulated current source (12) for causing a modulated current to flow, and a temperature compensation current source (20) for controlling currents of the bias current source (11) and the modulated current source (12) so as to compensate for both temperature characteristics at low temperature and temperature characteristics at high temperature of the light emitting device (10). |
其他摘要 | 光传输电路包括在低温和高温下具有不同温度特性的发光器件(10)(例如,VCSEL(垂直腔面发射激光器)),用于驱动发光器件的差分开关晶体管(M1,M2)( 10),差分开关晶体管具有彼此连接的源极和漏极,分别连接到发光器件(10)和电源,偏置电流源(11),用于使偏置电流流动,调制电流源(12)用于使调制电流流动,以及温度补偿电流源(20),用于控制偏置电流源(11)和调制电流源(12)的电流,以便在低温下补偿两个温度特性发光器件(10)的高温和温度特性。 |
申请日期 | 2006-09-13 |
专利号 | US20090135866A1 |
专利状态 | 授权 |
申请号 | US12/093076 |
公开(公告)号 | US20090135866A1 |
IPC 分类号 | H01S3/04 | H04B10/50 |
专利代理人 | - |
代理机构 | - |
文献类型 | 专利 |
条目标识符 | http://ir.opt.ac.cn/handle/181661/92535 |
专题 | 半导体激光器专利数据库 |
作者单位 | PANASONIC CORPORATION |
推荐引用方式 GB/T 7714 | NISHIMURA, KAZUKO,KIMURA, HIROSHI. Optical transmission circuit. US20090135866A1[P]. 2009-05-28. |
条目包含的文件 | 条目无相关文件。 |
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