A Fiber Laser with a Comb-Like Spectrum

Uri Ghera, Nir Friedman, Moshe Tur

Research output: Contribution to journalArticlepeer-review


An unpolarized comb-like spectrum is emitted from a fiber laser constructed from a Nd-doped silica fiber connected to an undoped high-birefrigence fiber. Depending on the overall birefringence of the high-birefringence fiber, spectral spacings of 0.8 nm to 4 nm between two adjacent wavelengths were obtained, with as many as eight simultaneous discrete peaks. No intracavity polarizing elements were used, and the observed spectral characteristics are due to parasitic reflections at the interface between the two fibers.

Original languageEnglish
Pages (from-to)1159-1161
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number10
StatePublished - Oct 1993


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