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Blending the old and the new: Phase-change perovskite enable traditional VCSEL to achieve low-threshold, tunable single-mode lasers
A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2025.240220, discusses how phase-change perovskite enables ...
X-ray binary 4U 1907+09: NuSTAR observations reveal flux variability and spin-down
Indian astronomers have performed X-ray observations of an X-ray binary designated 4U 1907+09. Results of the observational ...