© The Institution of Electrical Engineers
The tunable twin-guide (TTG) structure has been realised with the metal-clad ridge-waveguide (MCRW) distributed feedback (DFB) laser yielding continuous tuning up to 2 nm, output power above 10 mW and linewidth below 10 MHz. The relatively simple fabrication technology and high reliability make this device well suited as a tunable light source for advanced optical communication systems.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19901187
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