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Article Dans Une Revue Applied optics Année : 2021

Polarization-independent optical isolator in a Sagnac-type configuration

Résumé

We propose a polarization-independent optical isolator that does not use walk-off between the two orthogonal polarizations. The design is based on two Faraday rotators in combination with two half-wave plates in a closed, Sagnac-interferometer-like, configuration. An experimental prototype is tested successfully under variation of the input light polarization state with isolation level between 43 dB and 50 dB for all input polarizations (linear, circular, or elliptical).
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Dates et versions

hal-03220456 , version 1 (07-05-2021)

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Mouhamad Al-Mahmoud, Emiliya Dimova, Hristina Hristova, Virginie Coda, Andon Rangelov, et al.. Polarization-independent optical isolator in a Sagnac-type configuration. Applied optics, 2021, 60 (14), pp.4230-4234. ⟨10.1364/AO.423730⟩. ⟨hal-03220456⟩
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