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STRUCTURE FOR IMPROVING THE MIRROR FACET CLEAVING YIELD OF (Ga,Al,In,B)N LASER DIODES GROWN ON NONPOLAR OR SEMIPOLAR (Ga,Al,In,B)N SUBSTRATES
STRUCTURE FOR IMPROVING THE MIRROR FACET CLEAVING YIELD OF (Ga,Al,In,B)N LASER DIODES GROWN ON NONPOLAR OR SEMIPOLAR (Ga,Al,In,B)N SUBSTRATES
A structure for improving the mirror facet cleaving yield of (Ga,Al,In,B)N laser diodes grown on nonpolar or semipolar (Ga,Al,In,B)N substrates. The structure comprises a nonpolar or semipolar (Ga,Al,In,B)N laser diode including a waveguide core that provides sufficient optical confinement for the device's operation in the absence of p-type doped aluminum-containing waveguide cladding layers, and one of more n-type doped aluminum- containing layers that can be used to assist with facet cleaving along a particular crystallographic plane.
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