LASER SYSTEMS, NAMELY SEMICONDUCTOR LASERS, SEMICONDUCTOR PUMP MODULES, OPTICAL AMPLIFIER PUMP MODULES, RAMAN AMPLIFIERS, SINGLE-MODE LASERS, SURFACE-EMITTING LASERS, SEMICONDUCTOR LASER TRANSMITTERS AND PUMP LASERS, AND PARTS THEREFOR FOR USE WITH LASERS FOR COMMUNICATIONS, INDUSTRIAL, SCIENTIFIC, AND PROJECTION DISPLAY USES; FIBER OPTIC COMMUNICATIONS DEVICES, NAMELY SEMICONDUCTOR LASERS, SURFACE-EMITTING LASERS, FIBER OPTICAL AMPLIFIERS, AND OPTICAL COMPONENTS FOR USE IN FIBER OPTIC COMMUNICATIONS DEVICES, NAMELY, LASERS AND PARTS FOR MODULATORS, TRANSMITTERS, AND SWITCHES