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A novel polarimetric OFDR that can simultaneously measure both space-resolved transverse-stresses and reflections along a > 800–1200 meters optical fiber is reported, where the system can unambiguously distinguish stresses from any reflections with sub-mm-spatial resolution.
We report successful reception of dual-LP11-mode CO-OFDM signals traversing few-mode compatible optical add/drop multiplexer (OADM). The power penalties for add, drop and through ports are 2.6, 2.4, 0.7 dB, respectively for 3×318 Gb/s OFDM signals.
Mode division multiplexing is emerging as a potential solution to further increase optical fiber capacity and spectral efficiency. We report a dual-mode, dual-polarization transmission method based on mode-selective excitation and detection over a two-mode fiber.
We demonstrate the generation of a 1.12-Tb/s superchannel with a net intrachannel-spectral-efficiency (ISE) of 8.6 b/s/Hz, and its transmission over a 76.8-km seven-core-fiber using space-division-multiplexing, achieving a record aggregate ISE of 60 b/s/Hz per fiber.
We show that few-cycle pulse compression in statically filled hollow fibers can be scaled in energy using circular polarization. This technique could be useful for upgrading pressure gradient devices while preserving stable conditions of operation.
Sub-5fs pulses are generated at the mJ level through a hollow-core fiber seeded with circularly polarized pulses. The preservation of carrier-envelope phase of the hollow-core fiber compressor is also demonstrated.
4.3 fs, 1 mJ pulses at 1 kHz are generated through hollow fiber seeded with circularly polarized laser beam. This technique provides an effective energy upscaling approach for hollow fiber compression technique.
This paper reviews fiber spinning technology for making low PMD fibers. Theoretical understanding of fiber spinning mechanism and features of spun fibers, as well as applications in fiber spin profile designs are discussed.
A new hole-assisted single polarization fiber is fabricated with extinction ratios as high as 60 dB in lengths smaller than 1 meter. The fiber contains a hole on each side of the core and on the minor axis.
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