<s>
Semiconductor	O
nanowire	B-Algorithm
lasers	I-Algorithm
are	O
nano-scaled	O
lasers	O
that	O
can	O
be	O
embedded	O
on	O
chips	O
and	O
constitute	O
an	O
advance	O
for	O
computing	O
and	O
information	O
processing	O
applications	O
.	O
</s>
<s>
Nanowire	B-Algorithm
lasers	I-Algorithm
are	O
coherent	O
light	O
sources	O
(	O
single	O
mode	O
optical	O
waveguides	O
)	O
as	O
any	O
other	O
laser	O
device	O
,	O
with	O
the	O
advantage	O
of	O
operating	O
at	O
the	O
nanoscale	O
.	O
</s>
<s>
Built	O
by	O
molecular	B-Algorithm
beam	I-Algorithm
epitaxy	I-Algorithm
,	O
nanowire	B-Algorithm
lasers	I-Algorithm
offer	O
the	O
possibility	O
for	O
direct	O
integration	O
on	O
silicon	O
,	O
and	O
the	O
construction	O
of	O
optical	O
interconnects	O
and	O
data	O
communication	O
at	O
the	O
chip	O
scale	O
.	O
</s>
<s>
Nanowire	B-Algorithm
lasers	I-Algorithm
are	O
built	O
from	O
III	O
–	O
V	O
semiconductor	O
heterostructures	O
.	O
</s>
<s>
Their	O
unique	O
1D	O
configuration	O
and	O
high	O
refractive	O
index	O
allow	O
for	O
low	O
optical	O
loss	O
and	O
recirculation	O
in	O
the	O
active	O
nanowire	B-Architecture
core	O
region	O
.	O
</s>
<s>
Nanowires	B-Architecture
are	O
Fabry	O
–	O
Perot	O
resonator	O
cavities	O
defined	O
by	O
the	O
end	O
facets	O
of	O
the	O
wire	O
,	O
therefore	O
they	O
do	O
not	O
require	O
polishing	O
or	O
cleaving	O
for	O
high-reflectivity	O
facets	O
as	O
in	O
conventional	O
lasers	O
.	O
</s>
<s>
Nanowire	B-Algorithm
lasers	I-Algorithm
can	O
be	O
grown	O
site-selectively	O
on	O
Si/SOI	O
wafers	O
with	O
conventional	O
MBE	B-Algorithm
techniques	O
,	O
allowing	O
for	O
pristine	O
structural	O
quality	O
without	O
defects	O
.	O
</s>
<s>
Nanowire	B-Algorithm
lasers	I-Algorithm
using	O
the	O
group-III	O
nitride	O
and	O
ZnO	O
materials	O
systems	O
have	O
been	O
demonstrated	O
to	O
emit	O
in	O
the	O
visible	O
and	O
ultraviolet	O
,	O
however	O
infrared	O
at	O
the	O
1.3	O
–	O
1.55	O
μm	O
is	O
important	O
for	O
telecommunication	O
bands	O
.	O
</s>
<s>
Lasing	O
at	O
those	O
wavelengths	O
has	O
been	O
achieved	O
by	O
removing	O
the	O
nanowire	B-Architecture
from	O
the	O
silicon	O
substrate	O
.	O
</s>
<s>
Nanowire	B-Algorithm
lasers	I-Algorithm
have	O
shown	O
pulse	O
durations	O
down	O
to	O
<	O
1ps	O
,	O
and	O
enable	O
repetition	O
rates	O
greater	O
than	O
200GHz	O
.	O
</s>
<s>
Also	O
,	O
nanowire	B-Algorithm
lasers	I-Algorithm
have	O
shown	O
to	O
store	O
the	O
phase	O
information	O
of	O
a	O
pulse	O
over	O
30ps	O
when	O
excited	O
with	O
subsequent	O
pulse	O
pairs	O
.	O
</s>
