LIGO: the laser interferometer gravitational-wave observatory BP Abbott, R Abbott, R Adhikari, P Ajith, B Allen, G Allen, RS Amin, ... Reports on Progress in physics 72 (7), 076901, 2009 | 1857 | 2009 |

Space-time-coding digital metasurfaces L Zhang, XQ Chen, S Liu, Q Zhang, J Zhao, JY Dai, GD Bai, X Wan, ... Nature communications 9 (1), 4334, 2018 | 1491 | 2018 |

GWTC-3: Compact binary coalescences observed by LIGO and Virgo during the second part of the third observing run R Abbott, TD Abbott, F Acernese, K Ackley, C Adams, N Adhikari, ... Physical Review X 13 (4), 041039, 2023 | 1130 | 2023 |

Performing mathematical operations with metamaterials A Silva, F Monticone, G Castaldi, V Galdi, A Alù, N Engheta Science 343 (6167), 160-163, 2014 | 1051 | 2014 |

Population of merging compact binaries inferred using gravitational waves through GWTC-3 R Abbott, TD Abbott, F Acernese, K Ackley, C Adams, N Adhikari, ... Physical Review X 13 (1), 011048, 2023 | 818 | 2023 |

Observation of gravitational waves from two neutron star–black hole coalescences R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, A Adams, ... The Astrophysical journal letters 915 (1), L5, 2021 | 733 | 2021 |

An upper limit on the stochastic gravitational-wave background of cosmological origin Nature 460 (7258), 990-994, 2009 | 516 | 2009 |

Upper limits on the isotropic gravitational-wave background from Advanced LIGO and Advanced Virgo’s third observing run R Abbott, TD Abbott, S Abraham, F Acernese, K Ackley, A Adams, ... Physical Review D 104 (2), 022004, 2021 | 392* | 2021 |

GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the third observing run R Abbott, TD Abbott, F Acernese, K Ackley, C Adams, N Adhikari, ... Physical Review D 109 (2), 022001, 2024 | 384 | 2024 |

Breaking reciprocity with space‐time‐coding digital metasurfaces L Zhang, XQ Chen, RW Shao, JY Dai, Q Cheng, G Castaldi, V Galdi, ... Advanced Materials 31 (41), 1904069, 2019 | 292 | 2019 |

Upper limits on gravitational wave emission from 78 radio pulsars B Abbott, R Abbott, R Adhikari, J Agresti, P Ajith, B Allen, R Amin, ... Physical Review D—Particles, Fields, Gravitation, and Cosmology 76 (4), 042001, 2007 | 281 | 2007 |

Implications for the Origin of GRB 070201 from LIGO Observations B Abbott, R Abbott, R Adhikari, J Agresti, P Ajith, B Allen, R Amin, ... The Astrophysical Journal 681 (2), 1419, 2008 | 274 | 2008 |

Beating the spin-down limit on gravitational wave emission from the Crab pulsar B Abbott, R Abbott, R Adhikari, P Ajith, B Allen, G Allen, R Amin, ... The Astrophysical Journal 683 (1), L45, 2008 | 270 | 2008 |

Search for gravitational waves from binary inspirals in S3 and S4 LIGO data B Abbott, R Abbott, R Adhikari, J Agresti, P Ajith, B Allen, R Amin, ... Physical Review D—Particles, Fields, Gravitation, and Cosmology 77 (6), 062002, 2008 | 266 | 2008 |

Search for gravitational waves from low mass compact binary coalescence in 186 days<? format?> of LIGO’s fifth science run BP Abbott, R Abbott, R Adhikari, P Ajith, B Allen, G Allen, RS Amin, ... Physical Review D—Particles, Fields, Gravitation, and Cosmology 80 (4), 047101, 2009 | 248 | 2009 |

Searches for gravitational waves from known pulsars with science run 5 LIGO data BP Abbott, R Abbott, F Acernese, R Adhikari, P Ajith, B Allen, G Allen, ... The Astrophysical Journal 713 (1), 671, 2010 | 247 | 2010 |

PT metamaterials via complex-coordinate transformation optics G Castaldi, S Savoia, V Galdi, A Alu, N Engheta Physical review letters 110 (17), 173901, 2013 | 229 | 2013 |

Search for gravitational waves from low mass binary coalescences in the first year<? format?> of LIGO’s S5 data BP Abbott, R Abbott, R Adhikari, P Ajith, B Allen, G Allen, RS Amin, ... Physical Review D—Particles, Fields, Gravitation, and Cosmology 79 (12), 122001, 2009 | 228 | 2009 |

Observation of a kilogram-scale oscillator near its quantum ground state B Abbott, R Abbott, R Adhikari, P Ajith, B Allen, G Allen, R Amin, ... New Journal of Physics 11 (7), 073032, 2009 | 218 | 2009 |

Searches for periodic gravitational waves from unknown isolated sources and Scorpius X-1: Results from the second LIGO science run B Abbott, R Abbott, R Adhikari, J Agresti, P Ajith, B Allen, R Amin, ... Physical Review D—Particles, Fields, Gravitation, and Cosmology 76 (8), 082001, 2007 | 214 | 2007 |