Provided is a modular multiple laser source system to produce and deliver laser light for laser therapy and/or surgery, the system including a plurality of laser sources of same or different wavelengths, a focusing lens to focus laser light from the plurality of laser sources to a common output, a casing to enclose the laser sources and focusing lens, an output portion provided to the casing to transmit the laser light from one or more of the plurality of laser sources delivered to the common output, and a communication interface provided to the casing to provide electrical communication between components of the system and a controller, wherein the plurality of laser sources are configured to supply the laser light in different wavelengths and/or combinations of wavelengths according to desired medical procedures.