We propose a silicon polarization-diversity coherent receiver for wavelength-multiplexing transmission without using the large-footprint arrayed waveguide grating(AWG).We have integrated our proposed coherent receiver...
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We propose a silicon polarization-diversity coherent receiver for wavelength-multiplexing transmission without using the large-footprint arrayed waveguide grating(AWG).We have integrated our proposed coherent receiver on the silicon-on-insulator(SOI) platform for high-capacity *** the proposed coherent receiver,high-frequency photocurrent signals from other wavelengths are suppressed by electrical low-pass ***,the signal-signal beat interference(SSBI) generated from each wavelength is eliminated by the balanced *** two features lend to the proposed coherent receiver being free of the mm-scale *** have demonstrated our proposed coherent receiver to detect a 1.12-Tb/s wavelength-division-multiplexed and polarization-division-multiplexed 16-ary quadrature amplitude modulation(PDM-16-QAM) *** compact footprint of the silicon chip promises small-form-factor receivers for future ultra-high-capacity coherent communicationsystems that require a high integration level and low fabrication cost.
Light scattering has been a pervasive issue in past decades across many areas. The scattering medium not only destroys the imaging performance in remote sensing but also sets challenges in automatic target recognition...
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Deep learning has made significant progress in remote sensing and target recognition in recent decades. However, as a data-driven method, its development has encountered great challenges in computing speed and power c...
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With the growing influence of machine learning, it brings benefits to the inverse problem of imaging through scattering media in computational imaging. This study introduces an innovative opto-electronic fully convolu...
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Performance between core and cladding pump schemes are simulatively compared based on weakly-coupled 7-core-single-mode and 7-core-3-mode EDFs. The results show that the two schemes have significant performance differ...
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In the paper, we design a monitoring and management system (MMS) for optical fiber time transfer (OFTT) based on manager/agent model. The proposed system includes monitoring and management server (MM-Server), monitori...
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The topic of improving the mechanical stability of external cavity diode lasers(ECDLs)has recently attracted widespread attention and *** use of corner-cube-array(CCA)-based resonators provides a potential solution fo...
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The topic of improving the mechanical stability of external cavity diode lasers(ECDLs)has recently attracted widespread attention and *** use of corner-cube-array(CCA)-based resonators provides a potential solution for this purpose,although continuous oscillation at super large incident angle remains *** this work,we employ the CCA resonator to generate continuous oscillation within±20°angular misalignment of cavity mirror in *** the basis of retroreflection theory,the retroreflectivity of a CCA is analyzed by using optical simulation ***,the experiment verifies the advantage of using a CCA over a plane mirror in laser resonator,thereby providing a promising approach for *** threshold characteristic curves measured at different incident angles in the experiment verify that the CCA possesses an obvious anti-angle misalignment *** research introduces an alternative solution of using CCA resonator instead of parallel plane cavity,thereby realizing an adjustment-free ECDL with enhanced mechanical stability.
A distributed dispersion manage system is proposed for mitigating fibre nonlinearities and dispersion in fibre transmission through optimizing accumulated chromatic dispersion (aCD) distribution. 0.7 dB OSNR improveme...
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