1st BiCoQ Conference: from gravity to particles

Session

Topical Session 3 - HFGW

17 Jun 2026, 11:30

U3-05

53. Tabletop Efforts Toward kHz Gravitational Wave Detection at QUAX

Danho Ahn (INFN-Padova)

17/06/2026, 11:30

Oral contribution

Gravitational waves in the kHz regime are of particular interest because they may offer a window into astrophysical processes beyond the reach of current detection technologies. Within the framework of the QUest for AXion collaboration, tabletop-scale approaches to kHz gravitational-wave detection are being pursued by leveraging expertise in quantum sensing, quantum-limited detection,...

20. The MAGO cavity and prospects for high-frequency GW searches

Giovannoi Marconato

17/06/2026, 11:50

Oral contribution

In a joint effort between DESY/U. Hamburg and Fermilab, we are advancing the R&D program originally initiated by the MAGO collaboration (led by INFN Genoa) to search for high-frequency gravitational waves using superconducting radio-frequency (SRF) cavities. We are using a MAGO prototype cavity, fabricated nearly two decades ago but never previously tested. Following a detailed mechanical...

31. Megahertz gravitational waves from neutron star mergers

Mikel Sanchez Garitaonandia (University College Dublin)

17/06/2026, 12:10

Oral contribution

Neutron star mergers provide a unique laboratory for the study of strong-field gravity coupled to QCD in extreme conditions. Simulations to date show that potential first-order phase transitions in the phase diagram of quantum chromodynamics may be accessed during the merger. In this talk I will argue that a phase transition would result in the emission of high frequency gravitational waves...

36. Coherent network of haloscopes for dark matter and HFGWs: GravNet

Alessio Rettaroli (INFN - LNF)

17/06/2026, 14:00

Oral contribution

We present GravNet, a distributed array of quantum-enhanced haloscopes aimed at the detection of light dark matter and high-frequency gravitational waves (HFGWs) in the GHz frequency range. The experiment is based on microwave cavities permeated by strong static magnetic fields, enabling resonant conversion of axions, dark photons and light dark matter particles. In addition, the same...

8. MAGE: a multimode acoustic detector for high-frequency gravitational waves and an Australian node for GravNet

Michael Tobar (The University of Western Australia)

17/06/2026, 14:20

Oral contribution

The search for high-frequency gravitational waves opens a complementary observational window on the early Universe and on compact objects far below the mass range accessible to kilometre-scale interferometers. We present the Multi-mode Acoustic Gravitational-wave Experiment (MAGE) [1], a cryogenic resonant-mass detector based on ultra-high-Q quartz bulk acoustic wave resonators with SQUID...

34. A Magnetized Dielectric Haloscope for Axion Searches and High-Frequency Gravitational Waves

Alia Zino

17/06/2026, 14:40

Oral contribution

We investigate a magnetized optical dielectric haloscope as a platform for high-frequency gravitational-wave detection. This approach is motivated by the close connection between proposed high-frequency gravitational-wave detectors and technologies originally developed for axion searches. Our setup consists of a multilayer silicon nitride and silicon oxide stack with optical focusing and...

55. Status and perspectives of the QUAX-LNL 10 GHz axion haloscope

Raffaele Di Vora (INFN)

17/06/2026, 15:00

Oral contribution

We present the latest results from the QUAX haloscope experiment at LNL, which searches for post‑inflationary QCD axions around 10.2 GHz. Compared to earlier QUAX runs, a quasi‑automatic tuning protocol now allows adjustment of the cavity frequency without significantly degrading the detector’s performance.

The haloscope uses a TM$_{030}$ Bragg resonator made of a copper cylindrical cavity...

35. An array of acoustic resonators for the detection of high-frequency gravitational waves

Leonardo Mariani (Bicocca)

17/06/2026, 15:20

Oral contribution

We present a multi-mode resonant-mass strain antenna for the exploration of Gravitational Wave (GW) sources in the uncharted frequency band from around 100 kHz to 10 MHz. This region may host signals from non-standard sources, such as post-merger emission from sub-solar-mass binaries or dark matter candidates. Following an approach originally proposed by Tobar and Goryachev, the experimental...

40. Gravitational waves from high-power twisted beams of light

Killian Martineau (LPSC - CNRS)

17/06/2026, 15:40

Oral contribution

Recent advances in high-energy and high-peak-power laser systems have opened up new possibilities for fundamental physics research. In this presentation, I will focus on gravitational waves signals emitted by high-intensity (twisted) beams and show how the properties of the generated gravitational waves 
are controllable by the laser pulse parameters and optical arrangements. Notably, the...

37. Ultra-stable optical cavities for the fundamental physics tests

Mateusz Narożnik (Institute of Physics, Nicolaus Copernicus University in Toruń)

17/06/2026, 16:30

Oral contribution

Table-top-size ultra-stable Fabry-Perot optical cavities are one of the most precise measuring instruments and, together with optical atomic clocks, play a vital role in state-of-the-art metrology and fundamental physics tests. Here we present two applications for the cavity itself: detecting gravitational waves [1] and testing the hypothesis of space-time fluctuations [2].

The first...

39. Gravitational Wave Measurement and wavelike axion searches with a Novel Mössbauer Spectrometer

Huaqiao Zhang (Chinese Academy of Sciences (CN))

17/06/2026, 16:50

Oral contribution

Under the local gravitational field, perturbations from gravitational waves can cause a vertical shift of the Mossbauer resonance height. Considering a stationary scheme with the Ag-109 isotope, we demonstrate that the extremely high frequency precision in Mossbauer resonance allows for competitive gravitational wave sensitivity from KHz up to above MHz frequencies. Mossbauer resonance can...

11. BULLKID-DM: direct detection of light WIMP dark matter with a monolithic arrays of cryogenic detectors

Camilla Bonomo (Sapienza University of Rome and INFN - Roma 1)

17/06/2026, 17:10

Oral contribution

BULLKID-DM is a new experiment designed to search for low-mass WIMP-like dark matter particles (1~GeV/c$^2$ or below) with nucleon cross-sections below 10$^{-41}$~cm$^2$. The detector consists of an 800~g array of over 2000 silicon dice, each acting as a particle absorber instrumented with multiplexed Kinetic Inductance Detectors (KIDs). Background rejection is achieved through a fully active...