Direct fiber comb stabilization to a gas-filled hollow-core photonic crystal fiber.


We have isolated a single tooth from a fiber laser-based optical frequency comb for nonlinear spectroscopy and thereby directly referenced the comb. An 89 MHz erbium fiber laser frequency comb is directly stabilized to the P(23) (1539.43 nm) overtone transition of (12)C(2)H(2) inside a hollow-core photonic crystal fiber. To do this, a single comb tooth is… (More)
DOI: 10.1364/OE.22.023704


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