A tunable photonic microwave filter using a simple and tunable multiwavelength semiconductor fibre laser incorporating a high-birefringence Sagnac loop is demonstrated. The wavelength spacing of the laser can be easily varied using optical switches, which in turn allows the free-spectral-range of the photonic microwave filter to be digitally tuned.
Tunable photonic microwave filter using semiconductor fibre laser
2005-10-13
2 pages
Aufsatz (Zeitschrift)
Englisch
fibre ring laser , ring lasers , high-birefringence Sagnac loop , laser tuning , tunable photonic microwave filter , microwave filters , microwave photonics , optical switches , Sagnac interferometers , multi-wavelength semiconductor fibre laser , wavelength spacing , optical filters , fibre lasers , semiconductor lasers
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