[Python] Moving the Scientific Notation Offset of a Pyplot Graph below the top Spine

I'm stacking multiple graphs using matplotlib-pyplot. This is my minimal reproducable example:

from matplotlib import pyplot as plt
from numpy import linspace, sqrt, pi
fig, ax = plt.subplots(3, 1, sharex=True)
plt.subplots_adjust(hspace=0)


def zr(w0, l):
return pi*w0**2/l

def w0(l, L, R):
return sqrt(l/pi * sqrt(L*(R-L)))


def width(z, l):
return w0(l, 0.55, 1) * sqrt(1 + (z / zr(w0(l, 0.55, 1), l))**2)

x = linspace(0, 1, 5)
y = width(x, 5.54e-6)

for i in range(3):
#Do some analysis here, then plot the fit

ax.set_xlabel("z / m")
ax.set_ylabel("$d(w)$ / mm")
ax.ticklabel_format(axis='y', style='sci', scilimits=(0, 0))
ax.grid("both", linestyle=":")

#The Fix i tried:
ax.get_yaxis().get_offset_text().set_position((0,0.7))

ax[1].errorbar(x, y, xerr = 0.025, yerr = 0.2*1e-3, color = "black", linestyle = "")

plt.show()


Unfortunately in my example, the offset modifier intersects with the data in the graph above.
To fix that I want to move it below the spine. I originally tried this answer, as can be seen above, but I was unable to observe any change.



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