公开(公告)号：US20020196826A1

公开(公告)日：2002-12-26

申请号：US10064002

申请日：2002-06-03

申请人： Nanovis LLC

发明人： Robert J. Mears ,  Augustin Yiptong ,  Adam D. Cohen

IPC分类号： H01S005/00 ,  H01S003/063 ,  H01S003/08

CPC分类号： G02B6/02085 ,  G02B5/18 ,  G02B6/02057 ,  G02B6/122 ,  G02B2006/12107 ,  G02F1/225 ,  G02F1/2252 ,  G02F1/3136 ,  G02F1/3517 ,  G02F1/3521 ,  G02F1/3558 ,  G02F2001/212 ,  G02F2201/30 ,  G02F2201/307 ,  H01S5/1206 ,  H01S5/125 ,  H01S5/18361

摘要： A laser device, in particular a semiconductor laser, emitting optical radiation with a defined mode pattern can be produced from a standard Fabry-Perot (FP) laser by post-processing at the wafer level, i.e. before the wafer is separated into individual dies by cleaving/dicing. A sub-cavity is formed within the FP laser cavity. The sub-cavity has a predetermined length and is located between the FP facets. An aperiodic grating composed of a small number of contrast elements, typically less than 10, with predetermined inter-element separations and predetermined spacings relative to the sub-cavity is formed on or in the optical waveguide. The inter-element separations and the spacings relative to the sub-cavity produce a filtering function of the aperiodic grating for optical radiation propagating in the waveguide. The laser device is suitable for telecommunications applications due to its high side-mode-suppression ratio and narrow-linewidth.

摘要翻译： 可以通过在晶片级进行后处理，即在晶片被分离成单独的裸片之前，从标准的法布里 - 珀罗（FP）激光器产生具有限定模式图案的发射光辐射的激光装置，特别是半导体激光器 切割/切割 在FP激光腔内形成子腔。 子腔具有预定长度并且位于FP面之间。 在光波导上或光波导中形成有由少量对比元件（通常小于10个）组成的非周期性光栅，具有相对于子腔的预定的元件间隔离和预定间隔。 元件间分离和相对于子腔的间隔产生用于波导中传播的光辐射的非周期光栅的滤波函数。 激光器件由于具有高侧模抑制比和窄线宽，适用于电信应用。