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We report the first fabrication of a polarization converter in a highly birefringent elliptical microfiber, which is made by periodically twisting a microfiber with an ellipticity of ∼0.7 and a diameter of ∼2.8 along its major axis. Strong input polarization suppression of ∼20 dB is achieved at a resonant wavelength of ∼1556.4 nm with a device length of ∼3.12 mm, one or even more two orders of magnitude...
We report the fabrication of in-line photonic microcells (PMCs) by encapsulating tapered highly birefringent microfibers (Hi-Bi MFs) inside glass tubes. The encapsulation isolates Hi-Bi MFs from external environment and makes them more suitable for real-world applications. Gas sensing is realized by fabricating micro-channel on the PMC for ingress/egress. A fiber Sagnac loop interferometer (SLI) incorporating...
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