发明名称 |
SINGLE-MODE SEMICONDUCTOR LASER WITH INTEGRATED OPTICAL WAVEGUIDE FILTER |
摘要 |
A monolithic single-mode semiconductor laser comprises three coupled Fabry-Perot cavities in tandem, each separated by a vertically etched air gap of a size that is substantially equal to an odd-integer multiple of quarter-wavelength. The middle cavity is actively pumped to provide gains to the combined cavity laser. The other cavities are substantially transparent and act as an optical filter to select one of the longitudinal modes of the middle cavity as the lasing mode. The lengths of the two passive cavities are substantially different so that a narrow filtering function with a large free spectral range is obtained for optimal mode selectivity.
|
申请公布号 |
US2005226283(A1) |
申请公布日期 |
2005.10.13 |
申请号 |
US20050907495 |
申请日期 |
2005.04.04 |
申请人 |
LIGHTIP TECHNOLOGIES INC. |
发明人 |
HE JIAN-JUN |
分类号 |
H01S3/10;H01S5/00;H01S5/026;H01S5/10;H01S5/12;(IPC1-7):H01S3/10 |
主分类号 |
H01S3/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|