Semiconductor laser array and semiconductor laser device having semiconductor laser array
AssigneeKabushiki Kaisha Toshiba
InventorsMasanori Yamada, Koichi Matsushita, Hironobu Miyasaka, Kazuya Tsunoda
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Abstract
One aspect of the present invention may include a semiconductor laser array, comprising: a substrate; a first laser element on the substrate, the first laser element having a first resonator; a second laser element on the substrate, the second laser element having a second resonator, the second resonator being shorter in cavity length than the first resonator; and a protrusion on the substrate, the protrusion being substantially equal in height from the substrate with one of the first laser element and the second laser element.
Claims20
A semiconductor laser array, comprising:
- a substrate;
- a first laser element on the substrate, the first laser element having a first resonator;
- a second laser element on the substrate, the second laser element having a second resonator, the second resonator being shorter in cavity length than the first resonator;
- and
- a protrusion on the substrate, the protrusion being substantially equal in height from the substrate with one of the first laser element and the second laser element.
A semiconductor laser array, comprising:
- a substrate;
- a first laser element on the substrate, the first laser element having a first resonator;
- a second laser element on the substrate, the second laser element having a second resonator, the second resonator being shorter in cavity length than the first resonator;
- and
- a supporting member on the substrate, the supporting member being separated from the first laser element by a first trench and the supporting member being separated from the second laser element by a second trench.
A semiconductor laser device, comprising:
- a submount;
- a semiconductor laser array mounted on the submount, the semiconductor laser array having;
- a substrate,
- a first laser element on the substrate having a first resonator, the first laser element provided between the submount and the substrate, and
- a second laser element on the substrate having a second resonator, the second resonator being shorter in longitude than the first resonator, the second laser element provided between the submount and the substrate;
- a supporting member provided between the submount and the substrate of the semiconductor laser array.
Dependencies are inferred from the claim text.