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Scharnhorst N, Wübbena JB, Hannig S, et al. High-bandwidth transfer of phase stability through a fiber frequency comb. Opt Express. 2015;23(15):19771-6doi: 10.1364/OE.23.019771.
Scharnhorst, N., Wübbena, J. B., Hannig, S., Jakobsen, K., Kramer, J., Leroux, I. D., & Schmidt, P. O. (2015). High-bandwidth transfer of phase stability through a fiber frequency comb. Optics express, 23(15), 19771-6. https://doi.org/10.1364/OE.23.019771
Scharnhorst, Nils, et al. "High-bandwidth transfer of phase stability through a fiber frequency comb." Optics express vol. 23,15 (2015): 19771-6. doi: https://doi.org/10.1364/OE.23.019771
Scharnhorst N, Wübbena JB, Hannig S, Jakobsen K, Kramer J, Leroux ID, Schmidt PO. High-bandwidth transfer of phase stability through a fiber frequency comb. Opt Express. 2015 Jul 27;23(15):19771-6. doi: 10.1364/OE.23.019771. PMID: 26367634.
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Opt Express. 2015 Jul 27;23(15):19771-6. doi: 10.1364/OE.23.019771.

High-bandwidth transfer of phase stability through a fiber frequency comb.

Optics express

Nils Scharnhorst, Jannes B Wübbena, Stephan Hannig, Kornelius Jakobsen, Johannes Kramer, Ian D Leroux, Piet O Schmidt

PMID: 26367634 DOI: 10.1364/OE.23.019771

Abstract

We demonstrate phase locking of a 729 nm diode laser to a 1542 nm master laser via an erbium-doped-fiber frequency comb, using a transfer-oscillator feedforward scheme which suppresses the effect of comb noise in an unprecedented 1.8 MHz bandwidth. We illustrate its performance by carrying out coherent manipulations of a trapped calcium ion with 99 % fidelity even at few-μs timescales. We thus demonstrate that transfer-oscillator locking can provide sufficient phase stability for high-fidelity quantum logic manipulation even without pre-stabilization of the slave diode laser.

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