Method for setting the absolute frequency of a tunable, 1.5 mu m two-section DBR laser
- 1 January 1990
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 2 (1) , 63-65
- https://doi.org/10.1109/68.47044
Abstract
A technique for setting the absolute frequency of a 1.5- mu m two-section distributed Bragg reflector (DBR) laser using an Er:YAG optical filter as a frequency discriminator is described. The absolute frequency of the laser was controlled with an accuracy better than 300 MHz over a tuning range of several hundred gigahertz. The frequency drift with laser temperature was -130 MHz/ degrees C, and the tuning rate with current in the active region was 40 MHz/mA.Keywords
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