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Optical injection locking is used to increase the modulation bandwidth and suppress chirp in a single-channel, single-polarization discrete multi-tone bit-loading-optimized transmitter. Transmission through a hollow-core photonic bandgap fiber with negligible signal degradation and distortion is demonstrated.
Heat assisted magnetic recording is the most promising technology for high density recording. Due to thermal diffusion of the media, its density potential is limited for continuous wave laser heating. Short pulse laser heating can greatly increase the density potential [1-3]. This heating strategy also leads to a low transducer temperature increase [4]. Therefore, short pulse laser heating is a must...
We report a novel OFDM-transmitter operating in the emerging 2-μm waveband. Sub-FEC limit transmission of a 32QAM signal over 500m of both solid and hollow-core fiber was achieved and the generation of 30Gbits 64QAM demonstrated.
We report a tunable, pulsed multi-signal-line intracavity optical parametric oscillator based on a highly integrated 2D MgO:PP-APPLN in a Nd:YVO4 laser. >3.2-kW three signal lines with almost equal peak intensity were obtained from the system.
We report on high temperature (240K) CW operation of a metal-semiconductor nanolaser under electrical injection. The nanolaser confines light within subwavelength scale in one direction with a physical volume smaller than one wavelength cubic.
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