Well jumps can be used several ways… between-set jumps like you are doing are mostly to amp you up/activate the nervous system to make the rest of the workout more effective. You will of course get some improvement in power production but not as much as if you focused mostly on jumps during a workout.
Someone who wanted to maximize jumping power would devote at least half a workout to jumping, and these would not be done between-sets. For example you could do the jumping workout, rest 10-15 minutes and do your strength workout (or vice-versa depending on your priority).
2 such sessions a week should be done and intensity should be ramped up during the training block… for example:
Week 1: Regular jumps (vertical jumps, broad jumps, jump lunges for example)
Week 2: Targeted jumps (box jumps, jumps over hurdles for example)
Week 3: Loaded jumps (jump squats, loaded jump lunges for example)
Week 4: Depth jumps from a 20 to 30" block (for height or distance)
Week 5: no jumping
The TOTAL ground contacts (reps) per workout should be between:
Regular jumps: 40-50/workout or 80-100 per week
Targeted jumps:30-40/workout or 60-80 per week
Loaded jumps: 20-30/workout so 40-60 per week
Depth jumps: 20-30/workout so 40-60 per week