H - Electricity – 01 – S
Patent
H - Electricity
01
S
148/1, 345/32, 1
H01S 5/227 (2006.01) H01L 21/306 (2006.01) H01S 5/22 (2006.01) H01S 5/323 (2006.01) H01L 33/00 (2006.01)
Patent
CA 1332341
- 27 - ABSTRACT SEMICONDUCTOR STRUCTURES AND A METHOD OF MANUFACTURING SEMICONDUCTOR STRUCTURES In a semiconductor buried heterostructure laser, having a mesa 2, 3, 4 and confinement layers 5, 6, 7 on a substrate 12, at least the lowermost of the confinement layers 5, 6, 7 is substantially planar up to the mesa. This is achieved by MOVPE growth of InP against lateral surfaces of the mesa 2, 3, 4 which are defined by distinct crystallographic planes of the material of the mesa. In particular (111) B InP planes are used. The laser is particularly for use in the field of optical communications.
547521
Cole Simon
Cooper David Martin
Devlin William John
Lealman Ian Francis
Nelson Andrew William
G. Ronald Bell & Associates
Ipg Photonics Corporation
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