Article

Abgrall, M; Chupin, B; Uhrich, P; Lorini, L; Le Targat, R; Pointard, B; Lodewuck, J; Tunesi, J; Tran, D B A; Parsons, A O; Tofful, A; Robertson, B I; Johnson, M Y H; Feng, C-H; Schioppo, M; Curtis, E A; Hill, I R; Godun, R M; Margolis, H S (2024) Optically steered time scale generation at OP and NPL and remote comparisons. Journal of Physics: Conference Series, 2889. 012024

Margolis, H S; Godun, R M; Huntemann, N; le Targat, R; Pizzocaro, M; Zawada, M; Abgrall, M; Akamatsu, D; Alvarez Martinez, H; Amy-Klein, A; Andia, M; Benkler, E; Bhatt, N M; Bilicki, S; Bize, S; Bober, M; Calonico, D; Cambier, V; Cantin, E; Chardonnet, C; Cifuentes Marin, M; Clivati, C; Condio, S; Curtis, E A; Czubla, A; Dolezal, M; Doescher, S; Dunst, P; Feng, C-H; Filzinger, M; Folman, R; Fordell, T; Formichella, V; Foucault, Y; Galleani, L; Goti, I; Groswasser, D; Gruszczynski, M; Guo, C; Hanhijarvi, K J; Hausser, H N; Hill, I R; Hosaka, K; Johnson, M Y H; Keller, J; Klose, J; Kobayahi, T; Koke, S; Kovacic, D; Kren, P; Kuhl, A; Ledzinski, A; Lemanski, D; Levi, F; Lindvall, T; Lisdat, C; Liu, H; Lodewyck, J; Lopez, O; Lorini, L; Lours, M; Masika, P; Mazouth-Laurol, M; Mehlstaubler, T E; Moreno, W; Morzynski, A; Naroznik, M; Nawrocki, J; Nishiyama, A; Nogas, P; Nordmann, T; Parsons, A O; Pointard, B; Pottie, P E; Risaro, M; Robertson, B I; Romero Gonzalez, J; Schioppo, M; Sesia, I; Shang, H; Signorile, G; Stahl, K; Steinel, M; Sterr, U; Suavez Ramirezi, J; Tofful, A; Tonnes, M; Tran, A; Tunesi, J; Wallin, A E; Waterholter, T; Zarei, M; Zyskind, C (2024) Robust Optical Clocks for International Timescales (ROCIT). Journal of Physics: Conference Series, 2889. 012022

Sherril, N; Parsons, A O; Baynham, C F A; Bowden, W; Curtis, E A; Hendricks, R; Hill, I R; Hobson, R; Margolis, H S; Robertson, B I; Schioppo, M; Szymaniec, K; Tofful, A; Tunesi, J; Godun, R M; Calmet, X (2023) Analysis of atomic-clock data to constrain variations of fundamental constants. New Journal of Physics, 25. 093012

Barontini, G; Blackburn, L; Boyer, V; Butuc-Mayer, F; Calmet, X; Lopez-Urrutia, J R C; Curtis, E A; Darquie, B; Dunningham, J; Fitch, N J; Forgan, E M; Georgiou, K; Gill, P; Godun, R M; Goldwin, J; Guarrera, V; Harwood, A C; Hill, I R; Hendricks, R J; Jeong, M; Johnson, M Y H; Keller, M; Kozhiparambil Sajith, L P; Kuipers, F; Margolis, H S; Mayo, C; Newman, P; Parsons, A O; Prokhorov, L; Robertson, B I; Rodewald, J; Safronova, M S; Sauer, B E; Schioppo, M; Sherril, N; Stadnik, Y V; Szymaniec, K; Tarbutt, M R; Thompson, R C; Tofful, A; Tunesi, J; Vecchio, A; Wang, Y; Worm, S (2022) Measuring the stability of fundamental constants with a network of clocks. EPJ Quantum Technology, 9. 12

Schioppo, M; Kronjaeger, J; Silva, A; Ilieva, R; Paterson, J W; Baynham, C F A; Bowden, W; Hill, I R; Hobson, R; Vianello, A; Dovale- Alvarez, M; Williams, R A; Marra, G; Margolis, H S; Amy-Klein, A; Lopez, O; Cantin, E; Alvarez-Martinez, H; Le Target, R; Pottie, P E; Quintin, N; Legero, T; Hafner, S; Sterr, U; Schwarz, R; Dorscher, S; Lisdat, C; Koke, S; Kuhl, A; Waterholter, T; Benkler, E; Grosche, G (2022) Comparing ultrastable lasers at 7 x 10(-17) fractional frequency instability through a 2220 km optical fibre network. Nature Communications, 13 (1). 212

Hill, I R; Hendricks, R J; Donnellan, S; Gaynor, P; Allen, B; Barwood, G P; Gill, P (2021) Dual-axis cubic cavity for drift-compensated multi-wavelength laser stabilisation. Optics Express, 29 (22). pp. 36758-36768.

Barontini, G; Boyer, V; Calmet, X; Fitch, N J; Forgan, E M; Godun, R M; Goldwin, J; Guarrera, V; Hill, I R; Jeong, M; Keller, M; Kuipers, F; Margolis, H S; Newman, P; Prokhorov, L; Rodewald, J; Sauer, B E; Schioppo, M; Sherrill, N; Tarbutt, M R; Vecchio, A; Worm, S (2021) QSNET, a network of clocks for measuring the stability of fundamental constants. Proceedings of the SPIE, 11881. 118810K

Bowden, W; Vianello, A; Hill, I R; Schioppo, M; Hobson, R (2020) Improving the Q Factor of an Optical Atomic Clock Using Quantum Nondemolition Measurement. Physical Review X, 10 (4). 041052 ISSN 2160-3308

Hobson, R; Bowden, W; Vianello, A; Silva, A; Baynham, C F A; Margolis, H S; Baird, P E G; Gill, P; Hill, I R (2020) A strontium optical lattice clock with 1 × 10−17 uncertainty and measurement of its absolute frequency. Metrologia, 57 (6). 065026 ISSN 0026-1394

Roberts, B M; Delva, P; Al-Masoudi, A; Amy-Klein, A; Bærentsen, C; Baynham, C F A; Benkler, E; Bilicki, S; Bize, S; Bowden, W; Calvert, J; Cambier, V; Cantin, E; Curtis, E A; Dörscher, S; Favier, M; Frank, F; Gill, P; Godun, R M; Grosche, G; Guo, C; Hees, A; Hill, I R; Hobson, R; Huntemann, N; Kronjäger, J; Koke, S; Kuhl, A; Lange, R; Legero, T; Lipphardt, B; Lisdat, C; Lodewyck, J; Lopez, O; Margolis, H S; Álvarez-Martínez, H; Meynadier, F; Ozimek, F; Peik, E; Pottie, P-E; Quintin, N; Sanner, C; De Sarlo, L; Schioppo, M; Schwarz, R; Silva, A; Sterr, U; Tamm, Chr; Le Targat, R; Tuckey, P; Vallet, G; Waterholter, T; Xu, D; Wolf, P (2020) Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks. New Journal of Physics, 22 (9). 093010 ISSN 1367-2630

Riedel, F; Al-Masoudi, A; Benkler, E; Dörscher, S; Gerginov, V; Grebing, C; Häfner, S; Huntemann, N; Lipphardt, B; Lisdat, C; Peik, E; Piester, D; Sanner, C; Tamm, C; Weyers, S; Denker, H; Timmen, L; Voigt, C; Calonico, D; Cerretto, G; Costanzo, G A; Levi, F; Sesia, I; Achkar, J; Guéna, J; Abgrall, M; Rovera, D; Chupin, B; Shi, C; Bilicki, S; Bookjans, E; Lodewyck, J; Le Targat, R; Delva, P; Bize, S; Baynes, F N; Baynham, C F A; Bowden, W; Gill, P; Godun, R M; Hill, I R; Hobson, R; Jones, J M; King, S A; Nisbet-Jones, P B R; Rolland, A; Shemar, S L; Whibberley, P B; Margolis, H S (2020) Direct comparisons of European primary and secondary frequency standards via satellite techniques. Metrologia, 57 (4). 045005 ISSN 0026-1394

Bowden, W; Hobson, R; Hill, I R; Vianello, A; Schioppo, M; Silva, A; Margolis, H S; Baird, P E G; Gill, P (2019) A pyramid MOT with integrated optical cavities as a cold atom platform for an optical lattice clock. Scientific Reports, 9 (1). 11704 ISSN 2045-2322

Donnellan, S; Hill, I R; Bowden, W; Hobson, R (2019) A scalable arbitrary waveform generator for atomic physics experiments based on field-programmable gate array technology. Review of Scientific Instruments, 90 (4). 043101 ISSN 0034-6748

Bowden, W; Hill, I R; Baird, P E G*; Gill, P (2017) Note: a high-performance, low-cost laser shutter using a piezoelectric cantilever actuator. Rev. Sci. Instrum., 88 (1). 016102

Delva, P*; Lodewyck, J*; Bilicki, S*; Bookjans, E*; Vallet, G*; Le Target, R*; Pottie, P E*; Guerlin, C*; Meynadier, F*; Le Poncin-Lafitte, C*; Lopez, O*; Amy-Klein, A*; Lee, W K*; Quintin, N*; Lisdat, C*; Al-Masoudi, A*; Dorscher, S*; Grebing, C*; Grosche, G*; Kuhl, A*; Raupach, S*; Sterr, U*; Hill, I R; Hobson, R; Bowden, W; Kronjager, J; Marra, G; Rolland, A; Baynes, F N; Margolis, H S; Gill, P (2017) Test of special relativity using a fiber network of optical clocks. Phys. Rev. Lett., 118 (22). 221102

Origlia, S*; Schiller, S*; Pramod, M S*; Smith, L*; Singh, Y*; He, W*; Viswam, S*; Swierad, D*; Hughes, J*; Bongs, K*; Sterr, U*; Lisdat, C*; Vogt, S*; Bize, S*; Lodewyck, J*; Le Targat, R*; Holleville, D*; Venon, B*; Gill, P; Barwood, G P; Hill, I R; Ovchinnikov, Y B; Kulosa, A*; Ertmer, W*; Rasel, E M*; Stuhler, J*; Kaenders, W* (2016) Development of a strontium optical lattice clock for the SOC mission on the ISS. Proc. SPIE - Int. Soc. Opt. Eng., 9900. 990003

Hobson, R; Bowden, W; King, S A; Baird, P E G*; Hill, I R; Gill, P (2016) Modified hyper-Ramsey methods for the elimination of probe shifts in optical clocks. Phys. Rev. A, 93 (1). 010501

Bongs, K*; Boyer, V*; Cruise, M A*; Freise, A*; Holynski, M*; Hughes, J*; Kaushik, A*; Lien, Y H*; Niggebaum, A*; Perea-Ortiz, M*; Petroz, P*; Plant, S*; Singh, Y*; Stabrawa, A*; Paul, D J*; Sorel, M*; Cumming, D R S*; Marsh, J H*; Bowtell, R W*; Bason, M G*; Beardsley, R P*; Campion, R P*; Brookes, M J*; Fernholz, T*; Fromhold, T M*; Hackermuller, L*; Kruger, P*; Li, X*; Maclean, J O*; Mellor, C J*; Novikov, S V*; Orucevic, F*; Rushforth, A W*; Welch, N*; Benson, T M*; Wildman, R D*; Greegarde, T*; Himsworth, M*; Ruostekoski, J*; Smith, P*; Tropper, A*; Griffin, P F*; Arnold, A S*; Riis, E*; Hastie, J E*; Paboeuf, D*; Parrotta, D C*; Garraway, B M*; Pasquazi, A*; Peccianti, M*; Hensinger, W*; Potter, E*; Nizamani, A H*; Bostock, H*; Blanco, A R*; Sinuco-Leon, G*; Hill, I R; Williams, R A; Gill, P; Hempler, N*; Malcolm, G P A*; Cross, T*; Kock, B O*; Maddox, S*; John, P* (2016) The UK national quantum technology hub in sensors and metrology. Proc. SPIE - Int. Soc. Opt. Eng., 9900. 990009

Conference or Workshop Item

Hill, I R; Hobson, R; Bowden, W; Schioppo, M; Silva, A; Gill, P; Margolis, H; Huillery, P H; Jones, M P A (2018) Sr Lattice Clocks at NPL. In: 2018 IEEE International Frequency Control Symposium (IFCS), 21-24 May 2018, Olympic Valley, CA, USA.

Bowden, W; Hobson, R; Gill, P; Hill, I R; Huillery, P H; Jones, M P A (2017) Rydberg spectroscopy for DC stark shift characterisation in optical lattice clocks. In: 2017 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFC), 9-13 July 2017, Besancon, France.