{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T15:52:37Z","timestamp":1773417157801,"version":"3.50.1"},"reference-count":57,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T00:00:00Z","timestamp":1773360000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Wuhan Key Research and Development Program","award":["2025060102030010"],"award-info":[{"award-number":["2025060102030010"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>We investigate the optical response properties of an atom-assisted spinning optomechanical system, in which a spinning optical resonator is coupled simultaneously to a two-level atomic ensemble and a mechanical resonator driven by a weak pump field. Remarkably, we demonstrate that by simply reversing the rotation direction, the system can be switched between a low-absorption electromagnetic and optomechanically induced transparency state and a high-absorption state, constituting a form of non-reciprocal optical control at the quantum level. Furthermore, by tuning the phase difference between the mechanical pump and the probe field, direction-dependent switching between absorption and gain is achieved. These non-reciprocal effects originate from the Sagnac-induced frequency shift in the optical mode, which leads to distinct optomechanical and atom\u2013cavity couplings for opposite spinning directions. We also show that the absorption spectrum can be modulated by the angular velocity and the atomic number. Our results indicate that the optical properties of the hybrid system can be manipulated via the angular velocity, phase difference, and atom number, with potential applications in chiral photonic communications.<\/jats:p>","DOI":"10.3390\/e28030324","type":"journal-article","created":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T12:59:44Z","timestamp":1773406784000},"page":"324","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Tunable Electromagnetically and Optomechanically Induced Transparency in a Spinning Optomechanical System"],"prefix":"10.3390","volume":"28","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5861-2673","authenticated-orcid":false,"given":"Haoliang","family":"Hu","sequence":"first","affiliation":[{"name":"China Electric Power Research Institute Wuhan Branch, Wuhan 430074, China"}]},{"given":"Jinting","family":"Li","sequence":"additional","affiliation":[{"name":"China Electric Power Research Institute Wuhan Branch, Wuhan 430074, China"}]},{"given":"Xiaofei","family":"Li","sequence":"additional","affiliation":[{"name":"China Electric Power Research Institute Wuhan Branch, Wuhan 430074, China"}]},{"given":"Han","family":"Wang","sequence":"additional","affiliation":[{"name":"China Electric Power Research Institute Wuhan Branch, Wuhan 430074, China"}]},{"given":"Haoan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China"}]},{"given":"Yue","family":"Yang","sequence":"additional","affiliation":[{"name":"Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China"}]},{"given":"Shanshan","family":"Chen","sequence":"additional","affiliation":[{"name":"China Electric Power Research Institute Wuhan Branch, Wuhan 430074, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9731-6009","authenticated-orcid":false,"given":"Shuhang","family":"You","sequence":"additional","affiliation":[{"name":"China Electric Power Research Institute Wuhan Branch, Wuhan 430074, China"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1063\/1.881806","article-title":"Electromagnetically induced transparency","volume":"50","author":"Harris","year":"1997","journal-title":"Phys. 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