| CPC H01S 5/4093 (2013.01) [H01S 5/02345 (2021.01)] | 15 Claims |
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1. An optical device comprising:
a substrate comprising an upper surface and wiring lines disposed on the upper surface;
a first optical semiconductor element disposed on the upper surface of the substrate; and
a second optical semiconductor element and a third optical semiconductor element each located so as to be adjacent to the first optical semiconductor element, wherein
the first optical semiconductor element comprises a first electrode and a second electrode each disposed at a lower end portion of the first optical semiconductor element and each connected to a corresponding one of the wiring lines,
the second optical semiconductor element comprises a first side surface, a second side surface located farther from the first optical semiconductor element than the first side surface, and a second emission point emitting light,
the third optical semiconductor element comprises a third side surface, a fourth side surface located farther from the first optical semiconductor element than the third side surface, and a third emission point emitting light,
a width of the first optical semiconductor element is smaller than each of a width of the second optical semiconductor element and a width of the third optical semiconductor element,
the second emission point is located closer to the first side surface side than the second side surface, and
the third emission point is located closer to the third side surface side than the fourth side surface.
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