A high-power laser system, comprising: a plurality of cascaded diode drivers (102a, 102b) connected in a parallel with one another to generate a continuous driver signal, wherein each diode driver comprises a buck regulator circuit in signal communication with an input power supply to convert an input voltage into a regulated output signal, and an isolated series resonant DC to DC converter in signal communication with the buck regulator circuit and the controller to operate a fixed frequency; the high-power laser system further comprising: a pump source in signal communication with the plurality of diode drivers (102a, 102b) and configured to generate radiated energy in response to the continuous driver signal; a laser element disposed downstream from the pump source, the laser element configured to generate a laser beam in response to stimulation via the radiated energy; and an electronic controller in signal communication with the plurality of diode drivers (102a, 102b), the controller configured to output at least one driver signal that operates the plurality of diode drivers (102a, 102b) at the fixed frequency, wherein the at least one driver signal operates a first cascade diode driver among the plurality of diode drivers (102a, 102b) 90 degrees out of phase with respect to a second cascade diode driver among the plurality of diode drivers, wherein the isolated series resonant DC to DC converter operates the controller at the fixed frequency, and the isolated series resonant DC to DC converter includes a resonance tank circuit that operates at or near the resonance frequency, wherein the buck regulator circuit comprises a switching unit including a plurality of switches (312a, 312b) in signal communication with the input power supply and configured to convert the input voltage having a first voltage into the regulated output signal supplied to each isolated resonant series DC to DC converter, and an energy recycling unit configured to absorb energy from the switching unit so as to reduce switching losses of the switching unit. a plurality of cascaded diode drivers (102a, 102b) connected in a parallel with one another to generate a continuous driver signal, wherein each diode driver comprises a buck regulator circuit in signal communication with an input power supply to convert an input voltage into a regulated output signal, and an isolated series resonant DC to DC converter in signal communication with the buck regulator circuit and the controller to operate a fixed frequency; the high-power laser system further comprising: a pump source in signal communication with the plurality of diode drivers (102a, 102b) and configured to generate radiated energy in response to the continuous driver signal; a laser element disposed downstream from the pump source, the laser element configured to generate a laser beam in response to stimulation via the radiated energy; and an electronic controller in signal communication with the plurality of diode drivers (102a, 102b), the controller configured to output at least one driver signal that operates the plurality of diode drivers (102a, 102b) at the fixed frequency, a pump source in signal communication with the plurality of diode drivers (102a, 102b) and configured to generate radiated energy in response to the continuous driver signal; a laser element disposed downstream from the pump source, the laser element configured to generate a laser beam in response to stimulation via the radiated energy; and an electronic controller in signal communication with the plurality of diode drivers (102a, 102b), the controller configured to output at least one driver signal that operates the plurality of diode drivers (102a, 102b) at the fixed frequency, wherein the at least one driver signal operates a first cascade diode driver among the plurality of diode drivers (102a, 102b) 90 degrees out of phase with respect to a second cascade diode driver among the plurality of diode drivers, wherein the isolated series resonant DC to DC converter operates the controller at the fixed frequency, and the isolated series resonant DC to DC converter includes a resonance tank circuit that operates at or near the resonance frequency, wherein the buck regulator circuit comprises a switching unit including a plurality of switches (312a, 312b) in signal communication with the input power supply and configured to convert the input voltage having a first voltage into the regulated output signal supplied to each isolated resonant series DC to DC converter, and an energy recycling unit configured to absorb energy from the switching unit so as to reduce switching losses of the switching unit. a switching unit including a plurality of switches (312a, 312b) in signal communication with the input power supply and configured to convert the input voltage having a first voltage into the regulated output signal supplied to each isolated resonant series DC to DC converter, and an energy recycling unit configured to absorb energy from the switching unit so as to reduce switching losses of the switching unit.