Parameters extracted from the numerical simulations of POPP results.

n	400 pump, 515 probe		1030 pump, 1030 probe		τ n (ps)
	σ p,Sn (m2)	Δηp,Sn (m3)	σ p,Sn (m2)	Δηp,Sn (m3)
0	7.4 × 10−23	0	5.5 × 10−24	0	—
1	7.7 × 10−21	−2.4 × 10−21	5 × 10−21	0	250
2	7.7 × 10−21	−2.6 × 10−21	8 × 10−21	0.8 × 10−19	1.8
3	8.5 × 10−21	−2.9 × 10−21	10 × 10−21	6 × 10−19	0.2
β	0		0.4 × 10−13 m W−1
n 2	0		−5 × 10−19 m2 W−1