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We report on a nearly 8-fold increase in multi-hole defect photonic crystal biosensor response by incorporating insitu synthesis of DNA probes, as compared to the conventional functionalization method employing pre-synthesized DNA probe immobilization.
In this paper, we tailor the evanescent field coupling between two metal layers with subwavelength slit arrays and created a half-wave plate that imparts a half-wave phase delay to one component of linear polarization. The polarization of linearly polarized light at 1.55 µm wavelength can be rotated by up to 90 degrees, with polarization extinction ratio exceeding 22 dB. One advantage of this device...
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