Abstract
Semiconductor lasers with gain-coupled distributed optical feedback (DFB) have been revealed to be superior to traditional index-coupled DFB devices, as they exhibit excellent single mode property,1-5) reflection insensitivity,6,7) low-chirping short optical pulse generation capability,8,9) and immunity to longitudinal spatial hole burning.10) All these features are certainly to benefit the integrated photonics applications. One of the remaining issues is a high-speed small signal modulation capability of the device as there have been only a few reports.11)
© 1993 Optical Society of America
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