{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["006:55"], "contactPoint": {"fn": "Vladimir Aksyuk", "hasEmail": "mailto:vladimir.aksyuk@nist.gov"}, "description": "Theoretical calculation, modeling and experimental measurement data for the paper \"Integrated optical isolators for broadband multi-laser operation\" accepted for publication in Nature Photonics (2026)\nAbstract: Photonic integrated circuits commonly feature visible or near-infrared lasers which are vulnerable to destabilizing back-reflections and must be protected by isolators \u2014 non-reciprocal optical components enforcing one-way light propagation. Despite recent progress, high performance isolators remain bulky off-chip components, while on-chip implementations suffer from challenging fabrication, high optical absorption, or narrow optical bandwidth. Here, we propose and experimentally demonstrate a magnet-free, intrinsically broadband traveling-wave isolator built from foundry-compatible components. Using radio-frequency electro-optic modulation to create synthetic motion across four parallel waveguides, we realize dynamic rotating destructive interference that continuously cancels backward-propagating light while leaving forward-propagating light unaffected. We reach \u224830 dB peak isolation, maintain >24 dB isolation across a 30 nm wavelength span with thermo-optic adjustment and show >20 dB isolation for two lasers simultaneously within 10 nm without any adjustment. The demonstration\u2019s 770 nm to 800 nm wavelength span covers key alkali atomic transitions, enabling on-chip laser isolation for atomic spectroscopy, laser cooling, and locking applications. Our isolator approach, applicable from the visible to telecom wavelength spectrum, offers a compelling practical solution, opening the way for fully integrated atomic clocks, quantum sensors, advanced telecommunications and tunable laser systems on a single chip.", "distribution": [{"description": "A human-readable README text file", "downloadURL": "https://data.nist.gov/od/ds/mds2-4202/README.txt", "format": "Text file", "mediaType": "text/plain", "title": "README text file"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Extended_Data_Figure1/Extended%20Data%20Figure1a/Extended_Data_Figure_1a_normalized_forward_transmission.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Extended_Data_Figure1/Extended%20Data%20Figure1b/Extended_Data_Figure_1b_normalized_forward_transmission.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Extended_Data_Figure1/TOC.txt", "mediaType": 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"https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure1/TOC.txt.sha256", "mediaType": "text/plain"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3a_inset/Figure_3a_inset_odd_harmonic_power_coefficients.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3b/Figure_3b_measured_RF_power_spectrum.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3c/Figure_3c_normalized_voltage_waveform.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3d/Figure_3d_measured_point.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3d/Figure_3d_theoretical_isolation.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3e/Figure_3e_lower_active_transmission.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3e/Figure_3e_upper_fixed_transmission.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/Figure3f/Figure_3f_optical_spectra.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure3/TOC.txt", "mediaType": "text/plain"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure4/Figure_4_double_laser_spectra.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Figure4/TOC.txt", "mediaType": "text/plain"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Supplementary%20Information%20Figure%20S1/FigureS1a/Supplementary_Figure_S1a_forward_frequency_response.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Supplementary%20Information%20Figure%20S1/FigureS1b/Supplementary_Figure_S1b_RF_power_spectrum.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Supplementary%20Information%20Figure%20S1/TOC.txt", "mediaType": "text/plain"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Supplementary%20Information%20Figure%20S4/Supplementary_Figure_S4_optimized_heater_powers.csv", "mediaType": "text/csv"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/Supplementary%20Information%20Figure%20S4/TOC.txt", "mediaType": "text/plain"}, {"downloadURL": "https://data.nist.gov/od/ds/ark:/88434/mds2-4202/TOC.txt", "mediaType": "text/plain"}], "identifier": "ark:/88434/mds2-4202", "issued": "2026-06-30", "keyword": ["electro-optic modulator", "integrated optical isolator", "integrated photonics", "photonic integrated circuit", "radio frequency photonics", "traveling wave isolator"], "landingPage": "https://data.nist.gov/od/id/mds2-4202", "language": ["en"], "license": "https://www.nist.gov/open/license", "modified": "2026-03-20 00:00:00", "programCode": ["006:045"], "publisher": {"@type": "org:Organization", "name": "National Institute of Standards and Technology"}, "references": ["https://doi.org/10.48550/arXiv.2509.02866"], "theme": ["Electronics:Optoelectronics", "Nanotechnology:Nanofabrication/manufacturing", "Nanotechnology:Nanophotonics", "Physics:Atomic, molecular, and quantum", "Physics:Optical physics"], "title": "Data for manuscript \"Integrated optical isolators for broadband multi-laser operation\""}