Pape, A., O. Terra, J. Friebe, M. Riedmann, T. Wübbena, E. M. Rasel, K. Predehl, T. Legero, B. Lipphardt, H. Schnatz, et al., "Long-distance remote comparison of ultrastable optical frequencies with 10^-15 instability in fractions of a second", Optics Express, vol. 18, issue 20, pp. 21477, 2010. Abstract

Terra, O., "Dissemination of ultra-stable optical frequencies over commercial fiber networks", Fakultät für Mathematik und Physik, vol. Dr. rer. nat., Hannover, Gottfried Wilhelm Leibniz Universität Hannover, pp. 150, 12/2010.

Terra, O., G. Grosche, and H. Schnatz, "Brillouin amplification in phase coherent transfer of optical frequencies over 480 km fiber", Optics Express, vol. 18, no. 15, pp. 16102-16111, 07/2010. Abstract

Terra, O., G. Grosche, K. Predehl, R. Holzwarth, and H. Schnatz, "Optical frequency dissemination over a German wide-area network using Brillouin amplifiers", European Frequency and Time Forum EFTF, vol. Noordwijk, Netherlands, 04/2010.

Schnatz, H., O. Terra, K. Predehl, T. Feldmann, T. Legero, B. Lipphardt, U. Sterr, G. Grosche, R. Holzwarth, T. W. Hänsch, et al., "Phase-coherent frequency comparison of optical clocks using a telecommunication fiber link", IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, vol. 57, issue 1, pp. 175 - 181, 01/2010. Abstract

Terra, O., EFTF Student Award 2010, , Noordwijk, Netherlands, European Frequency and Time Forum EFTF, 2010.

Grosche, G., O. Terra, K. Predehl, R. Holzwarth, B. Lipphardt, F. Vogt, U. Sterr, and H. Schnatz, "Optical frequency transfer via 146 km fiber link with 10^−19 relative accuracy", Optics Letters, vol. 34, issue 15, pp. 2270, 2009. Abstract

Terra, O., G. Grosche, K. Predehl, R. Holzwarth, T. Legero, U. Sterr, B. Lipphardt, and H. Schnatz, "Phase-coherent comparison of two optical frequency standards over 146 km using a telecommunication fiber link", Applied Physics B, vol. 97, issue 3, pp. 541 - 551, 11/2009. Abstract

Predehl, K., R. Holzwarth, T. Udem, T. W. Hänsch, O. Terra, G. Grosche, B. Lipphardt, and H. Schnatz, "Ultra Precise Frequency Dissemination across Germany – Towards a 900 km Optical Fiber Link from PTB to MPQ", CLEO/QELS, vol. Baltimore, 06/2009. Abstract

Schnatz, H., O. Terra, K. Predehl, T. Feldmann, T. Legero, B. Lipphardt, U. Sterr, G. Grosche, T. W. Hänsch, R. Holzwarth, et al., "Phase-coherent frequency comparison of optical clocks using a telecommunication fiber link", Frequency Control Symposium, 2009 Joint with the 22nd European Frequency and Time forum. IEEE International, pp. 807-812, 04/2009. Abstract

Terra, O., G. Grosche, W. Ertmer, T. Feldmann, J. Friebe, T. Legero, B. Lipphardt, A. Pape, K. Predehl, E. - M. Rasel, et al., "Telecommunication fiber link for the remote characterization of a magnesium optical frequency standard", Time and Frequency Metrology II, Proceedings of SPIE, San Diego, CA, USA, SPIE, pp. 74310B - 74310B-7, 2009. Abstract

Terra, O., G. Grosche, W. Ertmer, T. Feldmann, J. Friebe, T. Legero, B. Lipphardt, A. Pape, K. Predehl, E. - M. Rasel, et al., "Telecommunication fiber link for the remote characterization of a magnesium optical frequency standard", Proc. SPIE Int. Soc. Opt. Eng. 7431, 74310B (2009), 2009. Abstract

Sterr, U., T. Legero, T. Kessler, H. Schnatz, G. Grosche, O. Terra, and F. Riehle, "Ultrastable lasers: new developments and applications", Time and Frequency Metrology IIProceedings of SPIE, San Diego, CA, USA, SPIE, pp. 74310A - 74310A-14, 2009. Abstract