Abstract:
A tunable semiconductor laser with a laser amplifier based on a double-pass superluminescent diode as an active element and an acousto-optic filter in an external fibre cavity as a selective element is investigated. A continuous spectral tuning is achieved in a band of width 60 nm centered at a wavelength of 845 nm and the 'instant' linewidth below 0.05 nm is obtained. The sweep frequency within the tuning range achieves 200 Hz. The cw power at the output of a single-mode fibre was automatically maintained constant at the level up to 1.5 mW.
Citation:
E. V. Andreeva, L. N. Magdich, D. S. Mamedov, A. A. Ruenkov, M. V. Shramenko, S. D. Yakubovich, “Tunable semiconductor laser with an acousto-optic filter in an external fibre cavity”, Kvantovaya Elektronika, 36:4 (2006), 324–328 [Quantum Electron., 36:4 (2006), 324–328]
Linking options:
https://www.mathnet.ru/eng/qe13144
https://www.mathnet.ru/eng/qe/v36/i4/p324
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