Testing ultrafast mode-locking at microhertz relative optical linewidth

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Martin, Michael J. ; Foreman, Seth M. ; Schibli, T. R. ; Ye, Jun (2008)

We report new limits on the phase coherence of the ultrafast mode-locking process in an octave-spanning Ti:sapphire comb. We find that the mode-locking mechanism correlates optical phase across a full optical octave with less than 2.5 micro Hz relative linewidth. This result is at least two orders of magnitude below recent predictions for quantum-limited individual comb-mode linewidths, verifying that the mode-locking mechanism strongly correlates quantum noise across the comb spectrum.
  • References (18)
    18 references, page 1 of 2

    14. K.-K. Ni, S. Ospelkaus, M. H. G. de Miranda, A. Pe'er, B. Neyenhuis, J. J. Zirbel, S. Kotochigova, P. S. Julienne, D. S. Jin, and J. Ye, “A High Phase-Space-Density Gas of Polar Molecules,” Science 322, 231-235 (2008).

    15. J. G. Danzl, E. Haller, M. Gustavsson, M. J. Mark, R. Hart, N. Bouloufa, O. Dulieu, H. Ritsch, and H.-C. Nagerl, “Quantum Gas of Deeply Bound Ground State Molecules,” Science 321, 1062-1066 (2008).

    16. L. S. Ma, Z. Bi, A. Bartels, L. Robertsson, M. Zucco, R. S. Windeler, G. Wilpers, C. Oates, L. Hollberg, and S. A. Diddams, “Optical Frequency Synthesis and Comparison with Uncertainty at the 10−19 Level,” Science 303, 1843-1845 (2004).

    17. L.-S. Ma, Z. Bi, A. Bartels, K. Kim, L. Robertsson, M. Zucco, R. S. Windeler, G. Wilpers, C. Oates, L. Hollberg, and S. A. Diddams, “Frequency Uncertainty for Optically Referenced Femtosecond Laser Frequency Combs,” IEEE J. Quantum Electron. 43, 139-146 (2007).

    18. A. Bartels, C. W. Oates, L. Hollberg, and S. A. Diddams, “Stabilization of femtosecond laser frequency combs with subhertz residual linewidths,” Opt. Lett. 29, 1081-1083 (2004).

    19. J. Stenger, H. Schnatz, C. Tamm, and H. R. Telle, “Ultraprecise Measurement of Optical Frequency Ratios,” Phys. Rev. Lett. 88, 073601 (2002).

    20. T. R. Schibli, I. Hartl, D. C. Yost, M. J. Martin, A. Marcinkevi, M. E. Fermann, and J. Ye, “Optical frequency comb with submillihertz linewidth and more than 10 W average power,” Nature Photonics 2, 355-359 (2008).

    21. D. J. Jones, S. A. Diddams, J. K. Ranka, A. Stentz, R. S. Windeler, J. L. Hall, and S. T. Cundiff, “Carrier-Envelope Phase Control of Femtosecond Mode-Locked Lasers and Direct Optical Frequency Synthesis,” Science 288, 635- 639 (2000).

    22. J. Reichert, R. Holzwarth, T. Udem, and T. W. Ha¨nsch, “Measuring the frequency of light with mode-locked lasers,” Opt. Commun. 172, 59-68 (1999).

    23. J. Ye, J. L. Hall, and S. A. Diddams, “Precision phase control of an ultrawide-bandwidth femtosecond laser: a network of ultrastable frequency marks across the visible spectrum,” Opt. Lett. 25, 1675-1677 (2000).

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