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Physics > Optics

arXiv:2509.05763 (physics)
[Submitted on 6 Sep 2025 (v1), last revised 9 Sep 2025 (this version, v2)]

Title:A tunable FP Perot coupling interferometer on thin-film lithium niobate

Authors:Ayed Al Sayem, Heqing Huang, Ting-Chen Hu, Alaric Tate, Mark Cappuzzo, Rose Kopf, Mark Earnshaw
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Abstract:We experimentally show an electro-optic tunable Fabry-Perot cavity on thin-film lithium niobate (TFLN). Instead of tuning the cavity phase and thus resonant frequency, we demonstrate modulation of the FP cavity by tuning the cavity mirrors via the electro-optic effect in the couplers. We enable full tuning of a low-Q FP cavity with only 3.5 V Vpi and a very short 3.5 mm long Mach-Zehnder interferometer (MZI) mirror.
Subjects: Optics (physics.optics)
Cite as: arXiv:2509.05763 [physics.optics]
  (or arXiv:2509.05763v2 [physics.optics] for this version)
  https://doi.org/10.48550/arXiv.2509.05763

Submission history

From: A Sayem [view email]
[v1] Sat, 6 Sep 2025 16:28:33 UTC (2,974 KB)
[v2] Tue, 9 Sep 2025 19:02:43 UTC (2,974 KB)
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