Monolithic high density integrated photonics on bulk lithium niobate

Posted by klaurent Delft

Kavli Affiliate: Simon Groblacher | Summary:Functional electro-optic (EO) tunable photonic integrated circuits are crucial to next-generation information processing and advanced computing, where ferroelectric materials such as lithium niobate (LiNbO3) provide outstanding optical properties and versatile tuning mechanisms. However, beyond achieving high-performance devices, practical deployment of LiNbO3 photonic integrated circuits requires rapid and cost-effective scale-up, which […]


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The Low-Mass Baryon Cycle in QUEST Dwarf Galaxies I: Sample definition and first results

Posted by klaurent Chicago

Kavli Affiliate: Hsiaowen Chen |Summary:We introduce the QUEST Dwarfs program, which connects low-mass galaxies’ stellar populations, interstellar medium, and circumgalactic medium in a large and coherently analyzed sample using a combination of optical spectroscopy, broadband imaging, and FUV absorption spectra of bright background sources .We present initial results from the first-release sample, comprising 14 galaxies […]


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The Viability of Life in Helium-Dominated Exoplanet Atmospheres

Posted by klaurent MIT

Kavli Affiliate: Sara Seager | Summary:Helium is the second most abundant element in the Universe, yet helium-dominated atmospheres are rarely considered as environments for life. Two assumptions have contributed to this neglect: helium is expected to escape from rocky planets together with hydrogen, and Earth itself lacks a substantial helium envelope. Recent observations and atmospheric […]


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