Coherent supercontinuum shaping for multiple wavelength optimization over an octave.
Opt Express
; 30(1): 427-435, 2022 Jan 03.
Article
em En
| MEDLINE
| ID: mdl-35201219
ABSTRACT
We shape the spectrum of an octave spanning supercontinuum from an erbium fiber laser. The group delay dispersion is controlled through the temperature profile of a chirped fiber Bragg grating. We demonstrate control of spectral broadening, switching in spectral windows, and optimizing power at six wavelengths corresponding to Yb, Ca, and Sr clock transitions, an f-2f pair, and a C-band reference for frequency transfer applications. We verify locking of the shaped f-2f beat note, and the coherence of the shaped supercontinuum by interference with an unshaped supercontinuum branch with relative frequency deviation of 10-17 at 1 s averaging time.
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MEDLINE
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En
Ano de publicação:
2022
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Article