CPC H01S 5/4087 (2013.01) [H01S 5/04256 (2019.08); H01S 5/162 (2013.01); H01S 5/2059 (2013.01); H01S 5/2228 (2013.01); H01S 5/3414 (2013.01)] | 20 Claims |
1. A laser chip comprising:
a first laser stripe including:
a first sub-region of the first laser stripe; and
a second sub-region of the first laser stripe,
wherein a band structure of the first sub-region is different than a band structure of the second sub-region; and
a second laser stripe including:
a third sub-region along an active region of the second laser stripe; and
a fourth sub-region along the active region of the second laser stripe,
wherein a band structure of the third sub-region is different than a band structure of the fourth sub-region
wherein at least two of the first sub-region, the second sub-region, the third sub-region, or the fourth sub-region are configured with the same band structure; and wherein the first sub-region, the second sub-region, the third sub-region, and the fourth sub-region each include a corresponding region of a set of quantum well layers.
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