A threshold current of 40 μA, nearly 1/4 of the previous lowest record, has been obtained in a GaInAsP-InP microdisk injection laser. This decrease was thought to be mainly due to the reduction of disk diameter and symmetric post-claddings by Cl2/Xe inductively coupled plasma etching
Published in:
Electronics Letters
(Volume:36
,
Issue:
9
)
Date of Publication: 27 Apr 2000