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We report a FDML swept laser based on Bi-EDF fiber for the first time. A sweeping bandwidth of 81 nm is achieved. In vivo OCT imaging is presented to justify the feasibility of this work.
We present recent progress in development of a high power picosecond 100kHz regenerative amplifier based on Yb:YAG thin-disk technology. We employed both conventional 940nm pumping and zero-phonon-line pumping (969nm) to compare the output characteristics. The amplification output under the zero-phonon-line pumping was achieved more than twice of the output under the conventional pumping. We found...
We present a phase-stable, multi-mJ 3-channel parametric synthesizer generating 2-octave-wide waveforms (0.52–2.4 µm). After two amplification stages, the combined 125-µJ output supports 1.9-fs waveforms. The energy is scaled to 2 mJ after three amplification stages.
The SG-II-UP laser facility, which is being constructed in shanghai, China, contains eight identical beamlines. It is designed to deliver 40KJ at 1053 nm at 3ns and 24KJ at 351nm at 3ns with the output beam aperture 310mm×310mm.
We compare the accuracy of recently-published closed-form expressions for the nonlinear noise in coherent PDM-QPSK and PDM-16QAM optical systems without in-line chromatic dispersion compensation against the numerical solution of the vector nonlinear Schrödinger equation and show their limitations.
New SBS suppressed phosphosilicate Raman gain fibers are demonstrated with longitudinally varying core doping concentrations. Peak Brillouin gain is reduced by 6 dB over standard fibers resulting in a 2.8 dB increase in amplified power.
Space-division multiplexing with multi-core fiber is an attractive technology to increase a system capacity drastically. In this paper, the feasibility of trans-oceanic transmission using multi-core fibers is discussed.
The MODE-GAP project was established to identify the optimum fiber type for use beyond the capacity crunch. This paper will review some of the key drivers behind the project and analyze the key limits and potential improvements‥
A single-die monolithically integrated multichannel silicon nanophotonics receiver is fabricated in IBM 90nm CMOS Nanophotonics technology node. Electrical eye diagrams for 16 channels exhibit open eyes up to 20Gbps with a 127mW/channel power efficiency.
We conduct cross-layer analysis to demonstrate that impairment-aware scheduling is ineffective in compensating the Q-factor degradation impact on all-optical routers based on arrayed waveguide gratings (AWGs) and fiber delay lines (FDLs).
The principle, implementation scheme and recent experimental progress of low noise optical frequency multicasting are reviewed, relying on four-mode phase-sensitive process in fiber-based parametric mixer with normal dispersion.
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