Theoretical analysis of the scale factor nonlinearity (SFN) in open-loop fiber optic gyroscopes is conducted. A k-factor compensation method is introduced, effectively reducing SFN to 2.5 ppm over the range of -300 to...
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The measurement of rotational components in seismic waves holds significant importance in various fields, including seismic early warning, subsurface structure inversion, and the study of Earth's internal dynamic ...
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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.
On-chip spatial mode operation,represented as mode-division multiplexing(MDM),can support high-capacity data communications and promise superior performance in various systems and numerous applications from optical se...
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On-chip spatial mode operation,represented as mode-division multiplexing(MDM),can support high-capacity data communications and promise superior performance in various systems and numerous applications from optical sensing to nonlinear and quantum ***,the scalability of state-of-the-art mode manipulation techniques is significantly hindered not only by the particular mode-order-oriented design strategy but also by the inherent limitations of possibly achievable mode ***,metamaterials capable of providing subwavelength-scale control of optical wavefronts have emerged as an attractive alternative to manipulate guided modes with compact footprints and broadband ***,we propose a universal yet efficient design framework based on the topological metamaterial building block(BB),enabling the excitation of arbitrary high-order spatial modes in silicon *** simply programming the layout of multiple fully etched dielectric metamaterial perturbations with predefined mathematical formulas,arbitrary high-order mode conversion and mode exchange can be simultaneously realized with uniform and competitive *** extraordinary scalability of the metamaterial BB frame is experimentally benchmarked by a record high-order mode operator up to the *** a proof of conceptual application,an 8-mode MDM data transmission of 28-GBaud 16-QAM optical signals is also verified with an aggregate data rate of 813 Gb/s(7%FEC).This user-friendly metamaterial BB concept marks a quintessential breakthrough for comprehensive manipulation of spatial light on-chip by breaking the long-standing shackles on the scalability,which may open up fascinating opportunities for complex photonic functionalities previously inaccessible.
We propose a hardware-efficient single-ended coherent receiver structure using two arbitrary output tributaries of a 3×3 coupler. We experimentally demonstrate 1.008-Tb/s line rate (820-Gb/s net rate) PS-64-QAM s...
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We overview the principle of hybrid digital-analog radio-over-fiber technique for high-fidelity and high spectral efficiency mobile fronthaul. The SNR scaling law is theoretically derived and compared with the existin...
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作者：
Miao, JieLian, JiqingLiu, TianyuPan, DuoChen, JingbiaoPeking University
State Key Laboratory of Advanced Optical Communication Systems and Networks Department of Electronics Beijing100871 China Xidian University
State Key Laboratory of Advanced Optical Communication Systems and Networks School of Mechano-Electronic Engineering Xi'an710071 China Lanzhou Institute of Physics
State Key Laboratory of Advanced Optical Communication Systems and Networks Lanzhou730000 China
In this paper we report a new coherent population trapping (CPT) atomic clock based on external cavity laser. Unlike usual CPT atomic clocks, where used the vertical cavity surface emitting laser (VCSEL), we combine t...
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In this paper we propose a new scheme to realize the chip-scale optical clock by using a dual-wavelength modulation transfer spectroscopy (DWMTS). The electro-optical modulator (EOM) and isolator in conventional modul...
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We experimentally demonstrate a dispersion-diverse receiver to mitigate the CD-induced power fading for IM-DD systems at C-band. The receiver can support 256.5 Gb/s line-rate PS-64-QAM signal transmission over 10-km S...
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