| 摘要 |
In one embodiment, a gain medium for an external cavity diode laser (ECDL) includes a gain section to provide a gain operation on optical energy in the ECDL that is controlled by a first electrical signal, a semiconductor optical amplifier (SOA) section disposed adjacent to the gain section to amplify the gained optical energy responsive to a second electrical signal, and a trench disposed between the gain section and the SOA section to act as an integrated mirror. Other embodiments are described and claimed.
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