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Photonic crystals can be designed to host topologically protected interface states for directional light transport, localization and robust lasing via tuning of the bulk topological invariant. At the same time, van der Waals (vdW) materials, in both their monolayer and quasi-bulk forms, emerge as exciting additions to the field of nanophotonics, with a range of unique optoelectronic properties and intrinsic adherence to any type of host material, allowing fabrication of complex multi-layer structures. We present here a 1D topological photonic platform made from stacked nanostructured and planar layers of quasi-bulk WS\n                    <jats:sub>2<\/jats:sub>\n                    to achieve Jackiw-Rebbi (JR) interface states between two topologically distinct gratings in the near-infrared range around 750\u2009nm. Such states are measured in the far-field using angle-resolved reflectance contrast spectroscopy and exhibit linewidth of 10\u2009meV and highly directional emission with an angular bandwidth of 8.0\n                    <jats:sup>\u00b0<\/jats:sup>\n                    . Subsequent local mapping of the structure via sub-wavelength resolution scattering-type scanning near-field optical microscopy (s-SNOM) reveals strong spatial confinement of the JR state to the interface region between the gratings. Finally, we couple in the JR state the photoluminescence of monolayer WSe\n                    <jats:sub>2<\/jats:sub>\n                    incorporated in a five-layer vdW grating heterostructure, giving rise to directional enhancement of the excitonic emission of up to 22 times that of uncoupled monolayer, thus demonstrating the potential of the topological interface states for highly directional light emission in addition to light scattering.\n                  <\/jats:p>","DOI":"10.1038\/s41377-026-02392-5","type":"journal-article","created":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T23:01:12Z","timestamp":1784415672000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Topological Jackiw-Rebbi states in photonic Van der Waals heterostructures"],"prefix":"10.1038","volume":"15","author":[{"given":"Sam A.","family":"Randerson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Bouteyre","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuerong","family":"Hu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oscar J.","family":"Palma Chaundler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander J.","family":"Knight","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5431-6711","authenticated-orcid":false,"given":"Casey K.","family":"Cheung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3604-5617","authenticated-orcid":false,"given":"Roman","family":"Gorbachev","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3701-8119","authenticated-orcid":false,"given":"Kenji","family":"Watanabe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1467-3105","authenticated-orcid":false,"given":"Takashi","family":"Taniguchi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2482-005X","authenticated-orcid":false,"given":"Yue","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4156-4414","authenticated-orcid":false,"given":"Helgi","family":"Sigur\u00f0sson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4169-5510","authenticated-orcid":false,"given":"Alexander I.","family":"Tartakovskii","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,7,19]]},"reference":[{"key":"2392_CR1","doi-asserted-by":"publisher","first-page":"494","DOI":"10.1103\/PhysRevLett.45.494","volume":"45","author":"KV Klitzing","year":"1980","unstructured":"Klitzing, K. 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