| 摘要 |
A semiconductor light source comprises superluminescent diodes (SLDs) (110) disposed on a substrate (58) having a facet, channels (120) separating the SLDs, and a mode expander region (160). Each SLD has a diamond shaped active region such that the front and rear end of each SLD ends in a taper. The mode expander region is disposed on at least one side of the tapers of the SLDs and is tapered into a waveguide extending to the facet.
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