A multifrequency waveguide grating laser by selective area epitaxy
- 1 November 1994
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 6 (11) , 1277-1279
- https://doi.org/10.1109/68.334810
Abstract
We demonstrate a 6 frequency digitally tunable laser based on a waveguide grating router fabricated using selective area epitaxy (SAE). The laser wavelengths span from 1.527 to 1.557 /spl mu/m with 6.4 nm spacings. The bandgap variation in the active layer plane is from 1.352 /spl mu/m for waveguide ribs to 1.605 /spl mu/m for the amplifiers. ASE noise is suppressed by 35 db. These results demonstrate the flexibility of SAE technology for building complete photonic circuits.Keywords
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