Article

Gardner, Amy, Softley, Timothy and Keller, Matthias (2019) Multi-photon ionisation spectroscopy for rotational state preparation of N+2. Scientific Reports, 9 (506). pp. 1-8. ISSN 2045-2322

Foot, C J, Trypogeorgos, D, Bentine, E, Gardner, A and Keller, M (2018) Two-frequency operation of a Paul trap to optimise confinement of two species of ions. International Journal of Mass Spectrometry, 430. pp. 117-125. ISSN 1387-3806

Walker, Thomas, Miyanishi, Koichiro, Ikuta, Rikizo, Takahashi, Hiroki, Vartabi Kashanian, Samir, Tsujimoto, Yoshiaki, Hayasaka, Kazuhiro, Yamamoto, Takashi, Imoto, Nobuyuki and Keller, Matthias (2018) Long-distance single photon transmission from a trapped ion via quantum frequency conversion. Physical Review Letters, 120 (20). ISSN 0031-9007

Kassa, Ezra, Takahashi, Hiroki, Christoforou, Costas Marios and Keller, Matthias (2018) Precise positioning of an ion in an integrated Paul trap-cavity system using radiofrequency signals. Journal of Modern Optics, 65 (5-6). pp. 520-528. ISSN 0950-0340

Takahashi, Hiroki, Kassa, Ezra, Christoforou, Costas and Keller, Matthias (2017) Cavity-induced anticorrelated photon-emission rates of a single ion. Physical Review A, 96 (2). ISSN 2469-9926

Podoliak, Nina, Takahashi, Hiroki, Keller, Matthias and Horak, Peter (2016) Comparative numerical studies of ion traps with integrated optical cavities. Physical Review Applied, 6 (4). 044008. ISSN 2331-7019

Begley, Stephen, Vogt, Markus, Gulati, Gurpreet Kaur, Takahashi, Hiroki and Keller, Matthias (2016) Optimized multi-ion cavity coupling. Physical Review Letters, 116 (22). pp. 223001-1. ISSN 0031-9007

Márquez Seco, Alejandro, Takahashi, Hiroki and Keller, Matthias (2016) Novel ion trap design for strong ion-cavity coupling. Atoms, 4 (2). p. 15. ISSN 2218-2004

Calmet, Xavier and Keller, Matthias (2015) Cosmological evolution of fundamental constants: from theory to experiment. Modern Physics Letters A, 30 (22). ISSN 0217-7323

Deb, Nabanita, Pollum, Laura L, Smith, Alexander D, Keller, Matthias, Rennick, Christopher J, Heazlewood, Brianna R and Softley, Timothy P (2015) Coulomb crystal mass spectrometry in a digital ion trap. Physical Review A, 91 (3). ISSN 1050-2947

Takahashi, Hiroki, Morphew, Jack, Oručević, Fedja, Noguchi, Atsushi, Kassa, Ezra and Keller, Matthias (2014) Novel laser machining of optical fibers for long cavities with low birefringence. Optics Express, 22 (25). pp. 31317-31328. ISSN 1094-4087

Gardner, Amy, Sheridan, Kevin, Groom, William, Seymour-Smith, Nicolas and Keller, Matthias (2014) Precision spectroscopy technique for dipole-allowed transitions in laser-cooled ions. Applied Physics B, 117 (2). pp. 755-762. ISSN 0946-2171

Kajita, Masatoshi, Gopakumar, Geetha, Abe, Minori, Hada, Masahiko and Keller, Matthias (2014) Test of mp/me changes using vibrational transitions in N2+. Physical Review A, 89 (3). ISSN 1050-2947

Keller, Matthias (2013) Physics. Interfacing atoms and light - the smaller the stronger. Science (New York, N.Y.), 340 (6137). pp. 1175-6. ISSN 1095-9203

Takahashi, Hiroki, Wilson, Alex, Riley-Watson, Andrew, Orucevic, Fedja, Seymour-Smith, Nicolas, Keller, Matthias and Lange, Wolfgang (2013) An integrated fiber trap for single-ion photonics. New Journal of Physics, 15 (053011). ISSN 1367-2630

Lange, Wolfgang, Brama, Elisabeth, Mortensen, Anders and Keller, Matthias (2012) Heating rates in a thin ion trap for microcavity experiments. Applied Physics B, 107 (4). pp. 945-954. ISSN 0946-2171

Sheridan, Kevin and Keller, Matthias (2011) Weighing of trapped ion crystals and its applications. New Journal of Physics, 13 (12). p. 123002. ISSN 1367-2630

Sheridan, Kevin, Lange, Wolfgang and Keller, Matthias (2011) All-optical ion generation for ion trap loading. Applied Physics B, 104 (4). pp. 755-761. ISSN 0946-2171

Seymour-Smith, Nicolas, Blythe, Peter, Keller, Matthias and Lange, Wolfgang (2010) Fast scanning cavity offset lock for laser frequency drift stabilization. Review of Scientific Instruments, 81 (7). 075109-1-075109-5. ISSN 0034-6748

Lazarou, C, Keller, M and Garraway, B M (2010) Molecular heat pump for rotational states. Physical Review A, 81 (1). 013418. ISSN 1050-2947

Keller, M, Lange, B, Hayasaka, K, Lange, W and Walther, H (2007) Stable long-term coupling of a single ion to a cavity mode. Journal of Modern Optics, 54 (11). pp. 1607-1617. ISSN 0950-0340

Keller, M, Lange, B, Hayasaka, K, Lange, W and Walther, H (2005) Long-term stability of continuous-wave emission from an ion-cavity system. European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, 32 (2). pp. 161-166. ISSN 1434-6060

Keller, Matthias, Lange, Birgit, Hayasaka, Kazukiro, Lange, Wolfgang and Walther, Herbert (2004) Continuous generation of single photons with controlled waveform in an ion-trap cavity system. Nature, 431 (7012). pp. 1075-1078. ISSN 0028-0836

Keller, M, Lange, B, Hayasaka, K, Lange, W and Walther, H (2004) A calcium ion in a cavity as a controlled single-photon source. New Journal of Physics, 6. pp. 95-116. ISSN 1367-2630

Brattke, S, Guthöhrlein, G R, Keller, M, Lange, W, Varcoe, B and Walther, H (2003) Generation of photon number states on demand. Journal of Modern Optics, 50 (6-7). pp. 1103-1113. ISSN 0950-0340

Keller, M, Lange, B, Hayasaka, K, Lange, W and Walther, H (2003) Deterministic cavity quantum electrodynamics with trapped ions. Journal of Physics B: Atomic, Molecular and Optical Physics, 36 (3). pp. 613-622.

Keller, M, Lange, B, Hayasaka, K, Lange, W and Walther, H (2003) Deterministic coupling of single ions to an optical cavity. Applied Physics B, 76 (2). pp. 125-128. ISSN 0946-2171

Keller, M., Lange, B., Lange, W. and Walther, H. (2003) Deterministic cavity quantum electrodynamics with trapped ions. Journal of Physics B: Atomic, Molecular and Optical Physics, 36 (3). pp. 613-622. ISSN 0953-4075

Keller, M, Lange, B, Hayasaka, K, Lange, W and Walther, H (2003) Deterministic cavity quantum electrodynamics with trapped ions. Journal of Physics B, 36. pp. 613-622. ISSN 0953-4075

Walther, Herbert, Keller, Matthias, Lange, Wolfgang, Brattke, S and Guthöhrlein, GR (2003) Generation and investigation of number states of the radiation field. Laser Physics, 13. p. 368. ISSN 1054-660X

Guthöhrlein, G R, Keller, M, Hayasaka, K, Lange, W and Walther, H (2001) A single ion as a nanoscopic probe of an optical field. Nature, 414 (6859). pp. 49-51. ISSN 0028-0836

Book Section

Keller, Matthias, Lange, Birgit, Hayasaka, Kazuhiro, Walther, Herbert and Lange, Wolfgang (2005) Quantum Information Processing with Ions Deterministically Coupled to an Optical Cavity. In: Leuchs, Gerd and Beth, Thomas (eds.) Quantum Information Processing. Wiley. ISBN 978-3-527-40541-1

Guthöhrlein, Gerhard R., Keller, Matthias, Lange, Wulfhard and Walther, Herbert (2002) Probing an Optical Field with Atomic Resolution. In: Figger, Hartmut, Meschede, Dieter and Zimmermann, Claus (eds.) Laser Physics at the Limits. Springer, pp. 225-232. ISBN 978-3-540-42418-5

Conference or Workshop Item

Lazarou, Constantinos, Keller, Matthias and Garraway, Barry (2010) Adiabatic passage methods in cooling trapped molecular ions. In: Conference on Quantum Optics, Tuesday 13 April 2010, Brussels, BELGIUM.

Guthöhrlein, Gerhard R, Keller, Matthias, Lange, Wolfgang, Walther, Herbert and Hayasaka, Kazuhiro (2002) Cavity-QED with a Single Trapped 40Ca+-Ion. In: Proceedings of the XV Int. Conf. on LASER Spectroscopy, 10-15 June 2001, Snowbird, Utah..

Brattke, S, Keller, Matthias, Guthöhrlein, GR and Lange, Wolfgang (2001) Generation of Photon Number States by Cavity Quantum electrodynamics. In: Coherence and Quantum Optics, 13-16 June 2001., University of Rochester.

Dataset

Takahashi, Hiroki, Kassa, Ezra, Christoforou, Costas Marios and Keller, Matthias (2017) [Research data] Cavity-induced anti-correlated photon emission rates of a single ion. [Dataset] (Submitted)

Gulati, Gurpreet, Takahashi, Hiroki, Podoliak, Nina, Horak, Peter and Keller, Matthias (2017) [Research data] Fibre cavities with integrated mode matching optics. [Dataset] (Submitted)