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Optical references for telecom wavelengths and measurement of their absolute frequency

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5 Author(s)
Czajkowski, A. ; Inst. for Nat. Meas. Stand. Nat. Res. Council Canada, Ottawa, Ont., Canada ; Madej, A.A. ; Dube, P. ; Siemsen, K.J.
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Our group is developing a femtosecond laser based frequency comb that is to be linked with the Sr+ single ion frequency standard and other frequencies of interest. The comb is of a design similar to systems reported by previous workers. A mode-locked Ti:sapphire ring laser produces 30-50 fs pulses at a repetition rate of approximately 700 MHz. The output is focused into a 15-cm-long piece of microstructure fibre (OFS Fitel) where the 40-nm bandwidth of the laser is broadened into a comb of optical frequencies extending over an octave.

Published in:

Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE  (Volume:1 )

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