P. Evaldsson et al., LOW-THRESHOLD (1.7MA) AND HIGH-BANDWIDTH (14GHZ) 1.55-MU-M P-SUBSTRATE LASERS USING SEMIINSULATING HVPE REGROWTH, Electronics Letters, 31(23), 1995, pp. 2012-2014
A 1.55 mu m p-substrate laser with a very low threshold current of 1.7
mA and a high bandwidth of 14 GHz is demonstrated. This combination o
f low threshold current and high frequency response was accomplished b
y using strained quantum wells and semi-insulating blocking layers gro
wn by hydride-VPE. The authors believe this is the first report on the
combination of a low threshold current and a high frequency response
for a p-substrate laser. This component will be useful in high speed p
arallel optical interconnects for future broadband systems.