@article{gundogdu_alganaln_2025,
	title = {{AlGaN}/{AlN} heterostructures: an emerging platform for integrated photonics},
	volume = {2},
	copyright = {2025 The Author(s)},
	issn = {2948-216X},
	shorttitle = {{AlGaN}/{AlN} heterostructures},
	url = {https://www.nature.com/articles/s44310-024-00048-z},
	doi = {10.1038/s44310-024-00048-z},
	abstract = {We introduce a novel material for integrated photonics and investigate aluminum gallium nitride (AlGaN) on aluminum nitride (AlN) templates as a platform for developing reconfigurable and on-chip nonlinear optical devices. AlGaN combines compatibility with standard photonic fabrication technologies and high electro-optic modulation capabilities with low loss over a broad spectral range, from UVC to long-wave infrared, making it a viable material for complex photonic applications. In this work, we design and grow AlGaN/AlN heterostructures and integrate several photonic components. In particular, we fabricate edge couplers, low-loss waveguides, directional couplers, and tunable high-quality factor ring resonators. These devices will enable nonlinear light-matter interaction and quantum functionality. The comprehensive platform we present in this work paves the way for photon-pair generation applications, on-chip quantum frequency conversion, and fast electro-optic modulation for switching and routing classical and quantum light fields.},
	language = {en},
	number = {1},
	urldate = {2025-01-15},
	journal = {npj Nanophotonics},
	author = {Gündoğdu, Sinan and Pazzagli, Sofia and Pregnolato, Tommaso and Kolbe, Tim and Hagedorn, Sylvia and Weyers, Markus and Schröder, Tim},
	month = jan,
	year = {2025},
	note = {Publisher: Nature Publishing Group},
	keywords = {Integrated optics, Materials for optics, Materials science, Optics and photonics},
	pages = {1--8},
}

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