| http://www.w3.org/ns/prov#value | - 20120033699SURFACE-EMITTING LASER, SURFACE-EMITTING LASER ARRAY, DISPLAY APPARATUS INCLUDING THE SURFACE-EMITTING LASER ARRAY AS A LIGHT SOURCE, PRINTER HEAD, AND PRINTER - Provided is a surface-emitting laser including a periodic gain structure, which is capable of improving uniformity of carrier injection into multiple active regions and carrier confinement, to thereby improve laser characterist
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