ArticleScience advances2024
High-performance silicon photonic single-sideband modulators for cold-atom interferometry.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Sub-Doppler rubidium atom cooling using a programmable agile integrated PZT-on-SiN resonator.Nature communications · 2026Article
- Gigahertz-frequency acousto-optic phase modulation of visible light in a CMOS-fabricated photonic circuit.Nature communications · 2025Article
- Enabling highly efficient infrared silicon photodetectors via disordered metasurfaces with upconversion nanoparticles.Science advances · 2025Article
- Approaching the standard quantum limit of a Rydberg-atom microwave electrometer.Science advances · 2024Article
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The laser system is the most complex component of a light-pulse atom interferometer (LPAI), controlling frequencies and intensities of multiple laser beams to configure quantum gravity and inertial sensors. Its main functions include cold-atom generation, state preparation, state-selective detection, and generating a coherent two-photon process for the light-pulse sequence. To achieve substantial miniaturization and ruggedization, we integrate key laser system functions onto a photonic integrated circuit. Our study focuses on a high-performance silicon photonic suppressed-carrier single-sideband (SC-SSB) modulator at 1560 nanometers, capable of dynamic frequency shifting within the LPAI. By independently controlling radio frequency (RF) channels, we achieve 30-decibel carrier suppression and unprecedented 47.8-decibel sideband suppression at peak conversion efficiency of -6.846 decibels (20.7%). We investigate imbalances in both amplitudes and phases between the RF signals. Using this modulator, we demonstrate cold-atom generation, state-selective detection, and atom interferometer fringes to estimate gravitational acceleration, g ≈ 9.77 ± 0.01 meters per second squared, in a rubidium (
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Registered trials
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