set terminal postscript eps color enhanced font "Helvetica,16pt" size 8.6cm,6cm 

#set terminal pngcairo enhanced font "Helvetica,12pt" size 1920,1080

# common settings
set log y 10
#set log x 10
set format y "10^{%T}"
#set format x "10^{%T}"
#set format x "%2.0f"
set tics scale 2
set tics nomirror
#set ytics (10,100,1000,10000,100000,1000000)
#set xtics (0.001,0.01,0.1,1,10,100)
set yrange [0.1:300]
set xrange [-1:10]
set border linewidth 1
#set bars large

set xlabel "Integration time {/Symbol-Oblique D}{/:Italic T} (hours)"
set ylabel "Signal-to-noise ratio, SNR" offset 0,0

set output "snr.eps"
#set output "snr.png"
set samples 10000

#V^2=0.25, QE30%, N=4000 c/s, tauc=1ns 0.3GHz, T=x, 3600s/hr
ingaas(x) = 0.25*4000*sqrt(1*0.000000001*x*3600) 

#V^2=0.9, QE90%, N=36000 c/s, tauc=0.3ns 1GHz, T=x, 3600s/hr
nanowire(x) = 0.9*36000*sqrt(0.3*0.000000001*x*3600) 

set arrow from 0, graph 0 to 0, graph 1 nohead dt 2 lc rgb "black" lw 2

set label "SNSPD" at screen 0.7, 0.77
set label "SPAD" at screen 0.7, 0.48

plot ingaas(x) with lines lw 3 lc rgb "red" notitle, nanowire(x) with lines lw 3 lc rgb "black" dt 4 notitle

reset