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Weak measurement of optical spin Hall effect in phase-discontinuity metasurface
- Weak measurement of optical spin Hall effect in phase-discontinuity metasurface
- Lee Y.U.; Wu J.W.
- Ewha Authors
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- 2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015
- Institute of Electrical and Electronics Engineers Inc.
- Recently it has been demonstrated that a rapid phase-change at a phase-discontinuity metasurface (PDM) leads to an additional momentum gradient enabling a direct observation of optical spin Hall (OSH) shift. We show that the helicity-dependent OSH shift depends on incidence and refraction angles at PDM, and construct a weak value measurement to control OSH shift by a variable phase retardance in the post-selection. © 2015 IEEE.
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