| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface emitting laser element capable of further improving light emission efficiency and enlarging the degree of freedom of design. SOLUTION: The surface emitting laser element includes an active layer 103, a photonic crystal layer disposed to be adjacent to the active layer, an electrode 108 disposed on the photonic crystal layer, and a plurality of light emitting regions regulated by the electrode. The photonic crystal layer is configured to include a first photonic crystal region 104 disposed just under the electrode, and having a periodic refractive index structure for resonance of light in an in-plane direction, and a second photonic crystal region 105 disposed just under the light emitting region, and having a periodic refractive index structure for emitting light in a direction perpendicular to the plane. COPYRIGHT: (C)2009,JPO&INPIT
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