COHERENT SEMICONDUCTOR LASER ARRAYS

COHERENT SEMICONDUCTOR LASER PHASED-ARRAYS PROVIDE ADVANTAGES OF RAPID BEAM STEERING COHERENT POWER COMBINING, BEAM SHARPENING, MICROWAVE MODULATION, MULTIPLE BEAMS/TRACKING, MONOLITHIC INTEGRATION, AND LONG LIFETIME. TO PRACTICALLY IMPLEMENT THE ARRAY SYSTEMS, E-TEK CAN OFFER VARIOUS REQUIRED TECHNOLOGIES AND COMPONENTS/DEVICES, SUCH AS OPTICAL PHASE SHIFTERS, 1XN DISTRIBUTION COUPLERS (N=38 EXISTS, N=200 IS UNDER DEVELOPMENT), AND FAR-FIELD PATTERNS COMPUTATION FOR LINEAR, PLANAR, AND CURVED LASER DIODE ARRAYS. DURING PAHSE I R&D, E-TEK WOULD IMPROVE OPTIC PHASE SHIFTER AND 1XN COUPLER PERFORMANCE, REDUCE MASTER LASER LINEWIDTH (IN KHZ RANGE EMPLOYING A LOW COST LINBO(3) PHASE MODULATOR), INVESTIGATE AND DESIGN THE INNOVATIVE FIBER OPTIC (OR INTEGRATED OPTIC) COMPATIBLE MINIATURE OPTICAL ISOLATORS (LOW COST AND MASS PRODUCIBLE) USING THIN FILM AND FARADAY PHASE TOTATION TECHNIQUES. THE DESIGNS OF ISOLATORS, PHASE SHIFTERS, LOW NOISE MASTER LASER, AND 1XN COUPLER WOULD DIRECTLY LEAD TO PHASE II HARDWARE FABRICATIONS, VERIFICATIONS, AND DEMONSTRATIONS.