In this paper, we present a review of our recent research results in the area of symmetric 40-Gb/s, long reach time and wavelength division multiplexed passive optical network (TWDMPON) employing directly modulated la...
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optical bandpass filter effect on synchronization is investigated for chaotic WDM system. To achieve the high quality of synchronization, the optimum filter bandwidth is 16 GHz, and the minimum WDM channel spacing is ...
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A novel scheme using dual-output Z-cut intensity modulator with fixed chirp is demonstrated to remove dispersion penalty of time-stretch photonic analog-to-digital conversion system. A modified algorithm is presented ...
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We demonstrate a terahertz wave signal remote dissemination system, which transfers a phase-stabilized 1THz signal over 40 km urban telecom fiber link. The phase fluctuation induced by the separate path and optical fi...
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ISBN:
(纸本)9781557528520
We demonstrate a terahertz wave signal remote dissemination system, which transfers a phase-stabilized 1THz signal over 40 km urban telecom fiber link. The phase fluctuation induced by the separate path and optical fiber transmission is detected by dual-heterodyne phase error transfer and compensated with fast response acousto-optic frequency-shifter. Moreover, the feedback network is designed with frequency independent in mind such that signal processing is performed at intermediate frequency rather than radio frequency. At laboratory tests, the residual phase noise of the remote 1THz signal is measured to be -35 dBc/Hz at 1 Hz offset, and long-term stability of 1×10-15 at 1000s averaging time is achieved.
We demonstrate a millimeter wave signal remote dissemination system, which transfers a phase-stabilized 300.045 GHz signal over 40 km optical fiber. The phase fluctuation induced by the separate path and optical fiber...
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We demonstrate a series of experiments on imaging through both stationary aberrating media and moving aberrating media by computational ghost imaging (CGI).An incoherent LED light source is used instead of the common ...
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We demonstrate a series of experiments on imaging through both stationary aberrating media and moving aberrating media by computational ghost imaging (CGI).An incoherent LED light source is used instead of the common pseudothermal light source (laser light passing through a rotating ground glass).A digital micromirror device is used as a simple spatial light modulator to perform ***,a digital filtering method is introduced to improve imaging quality through moving aberrating *** imaging modality may have potential applications in medicine and astronomy.
We experimentally demonstrate a three-dimensional （3D） ghost imaging method based on period diffraction correlation imaging. Compared with conventional ghost imaging, our method can easily retrieve the images of dif...
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We experimentally demonstrate a three-dimensional （3D） ghost imaging method based on period diffraction correlation imaging. Compared with conventional ghost imaging, our method can easily retrieve the images of different focal planes. Due to the correlation between the disturbed object beam and the reference beams which do not pass through any scattering, the clear images can be periodically obtained in the uncovered zones even through a scattering medium. The analysis of the 3D imaging resolution reveals that the proper resolution for actual demand can be achieved by designing our devices. The implementation of this experiment is quite simple and low-cost. It facilitates the practical applications of ghost imaging.
Ultra-selective separation-aggregation operation using polarization-insensitive rectangular optical filters based on stimulated Brillouin scattering in optical fibre has been realized. Extracting a ～2-GHz dual-polari...
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Ultra-selective separation-aggregation operation using polarization-insensitive rectangular optical filters based on stimulated Brillouin scattering in optical fibre has been realized. Extracting a ～2-GHz dual-polarization OFDM signal from an ultra-dense multiplex with ～300-MHz guard-band shows only ～1-dB penalty for QPSK format.
We report a compact Yb:fiber ring laser operated at 616 MHz. The average output power is 450 mW at a pump power of 900 mW. The dechirped pulse width is 98 fs.
We report a compact Yb:fiber ring laser operated at 616 MHz. The average output power is 450 mW at a pump power of 900 mW. The dechirped pulse width is 98 fs.
An ODC with fixed dispersion value is used in OLT to manage the dispersion of 10Gbps upstream directly-modulated signals, achieving 51-dB loss budget within 100km transmission distance thanks to the positive chirp of ...
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