I find this very interesting. I’m unfortunately not skilled enough to understand everything, but it seems to me that the experimental results shows considerable excess energy.
Method and apparatus for generating energy through inertial confinement fusion, by Leif Holmlid:
” …  An energy consideration for the positive MeV particles is more accurate. Since the true signal is of the order of 5 V in 50 [Omega] during 100 ns, the charge observed is 1*10<-8> As or 6*10<10> ions per laser shot. With a average energy of 3 MeV, this corresponds to 30 mJ energy. Assuming isotropic initial emission and using the collector geometric viewing factor of 2.1*10<-3> gives 14.5 J per laser shot or 3*10<13> particles per laser shot. This is considerably larger than the laser pulse energy of 0.9 J and means that fusion is above break-even.”