Survey of atomic transitions for absolute frequency locking of lasers for lightwave systems
- 1 May 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 3 (5) , 484-486
- https://doi.org/10.1109/68.93887
Abstract
The authors survey 26 excited-state transitions of argon (Ar), krypton (Kr), and neon (Ne) around 1.3 and 1.5 mu m. A 1200-lines-per-mm grating mounted on a piezoelectric translator forms the adjustable reflective element of an external cavity semiconductor laser, reducing the laser linewidth to <100 kHz, and affording tens of nanometers of tunability. The laser may be tuned continuously over a range of approximately 2 GHz between mode hops by scanning the cavity length with the piezoelectric translator. Single-frequency oscillation is verified by the 750 MHz confocal Fabry-Perot, and the wavelength is measured by a wavemeter.Keywords
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