专利检索 ap:("David A. Ackerman" OR "Philip J. Anthony" OR "Leonard J.-P. Ketelsen" OR "Venkataraman Swaminathan") AND inv:"Leonard J.-P. Ketelsen" 第 1 页

1.

发明授权
Phase shifted distributed feedback laser 失效
标题翻译：相移分布反馈激光器

公开(公告)号：US5052015A

公开(公告)日：1991-09-24

申请号：US581870

申请日：1990-09-13

申请人： David A. Ackerman , Philip J. Anthony , Leonard J.-P. Ketelsen , Venkataraman Swaminathan

发明人： David A. Ackerman , Philip J. Anthony , Leonard J.-P. Ketelsen , Venkataraman Swaminathan

IPC分类号： H01S5/00 , H01S5/10 , H01S5/12

CPC分类号： H01S5/10 , H01S5/12 , H01S5/1243

摘要： A semiconductor distributed feedback laser having a grating with .lambda./4 phase shift which is produced by moving the left and right sections of the grating with respect to each other in a direction perpendicular to the longitudinal axis of the active region.