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A 420 MHz Cr:forsterite Femtosecond Ring Laser and Its Use for Continuum Generation in the 1-2 Micron Range
Published
Author(s)
I Thomann, A Bartels, Kristan L. Corwin, Nathan R. Newbury, Leo W. Hollberg, Scott Diddams, Jeffrey W. Nicholson, M. F. Yan
Abstract
We demonstrate a chromium-doped forsterite femtosecond ring laser that generates 30-fs pulses at a 420-MHz repetition rate with nearly 500 mW of average power. The compact solid-state design and broad spectral output make this laser attractive for telecommunications applications in the 1.3 ? 1.5 micron region. Additional spectral broadening of the laser output in highly nonlinear optical fiber leads to octave-spanning spectra ranging from 1.06 to 2.17 micron. The octave is reached at a level of 18dB below the peak. The underlying optical frequency comb can be linked to existing optical frequency standards.
Thomann, I.
, Bartels, A.
, Corwin, K.
, Newbury, N.
, Hollberg, L.
, Diddams, S.
, Nicholson, J.
and Yan, M.
(2003),
A 420 MHz Cr:forsterite Femtosecond Ring Laser and Its Use for Continuum Generation in the 1-2 Micron Range, Optics Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=31478
(Accessed October 11, 2025)