• 脉冲整形器利用波分复用器将控制脉冲引入纤环形镜中,控制脉冲由于交叉相位调制信号产生非线性附加

    Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.

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  • 结果表明:啁啾脉冲振幅调制深度相位扰动深度越大,则压缩后的脉冲对比度越小啁啾脉冲的振幅调制周期相位扰动周期越小,则压缩脉冲的预脉冲宽度越大。

    The simulations show that more amplitude modulations and phase perturbations lead to lower contrast of the compressed pulse, and bigger modulation cycle results in wider pre-pulse width.

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  • 首次建立了变形阵列相位调制系统级模型

    Moreover, the optical phase modulation behavior model of micro deformable mirror arrays is established for the first time.

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  • 文中论述调制特性微分增益DG)、微分相位DP)、信噪S/N)等重要问题。

    The optical modulation characteristics, differential gain (DG), differential phase (DP) and signal-to-noise ratio (S/N) are described as well in this paper.

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  • 结果表明:啁啾脉冲振幅调制深度相位扰动深度越大,则压缩后脉冲对比度越小;

    The influences of the SPM with amplitude modulations and phase perturbations on the compressed pulse is simulated.

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  • 详细讨论了速度失配、群速度色散三阶非线性相位调制效应对倍频脉冲波形转换效率影响。

    The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.

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  • 基于压电陶瓷压电效应采用压电陶瓷作为相位调制设计微分干涉仪

    A piezoelectric ceramic, based on the converse piezoelectric effect, was used as optical phase modulator to design a fiber differential interferometer.

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  • 通过改变晶体结构参数可以实现反射相位调制

    Therefore, the reflective phase modulation will be achieved by variation of the structure parameters of photonic crystals.

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  • 我们理论分析实验验证了一种利用多频相位调制产生等振幅方法

    We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting multi-frequency phase modulation.

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  • 根据空间调制相位调制作用提出了阶纯位相匹配滤波器编码方法

    A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.

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  • 通过研究它学特性,我们发现由于自相位调制(SPM),NOLM压缩脉冲脉功能

    Firstly, we find that NOLM has a function of compressing optical pulse width, self-phase modulation (SPM) in NOLMs is a crucial reason.

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  • 提出采用办法测量超高频调制相位特性方法具有精度、实用性特点

    A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.

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  • 提出采用办法测量超高频调制相位特性方法

    A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed.

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  • 相干附加一按固定频率变化相位时,其干涉条纹强将随之交变相位调制干涉

    In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.

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  • 混合集成加速度种实用型的实时加速度传感器,在信号处理过程中采用了相位调制交流相位跟踪补偿技术(PTAC)。

    The hybrid integrated optical accelerometer is a kind of practical accelerometer, which adopts optical phase modulation and alternating current phase tracking and homodyne compensation scheme (PTAC).

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  • 陀螺中的一些器件相位调制开关、消甚至波导谐振腔都可以集成一个多功能集成芯片上

    Devices such as phase modulators, optic switches and even optic waveguide resonators can be integrated on a multi functional integrated optic chip.

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  • 衍射方法研究加有多级相位菲涅尔波带(MPFZP)空间调制器(SLM)的衍射

    The diffracted light intensity on axis of a Spatial light Modulator (SLM) with Multi-level Phase Fresnel Zone Plate (MPFZP) is studied by diffraction optical method.

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  • 利用空间相位调制技术控制高斯伏晶体中的传播

    Based on the technology of spatial phase modulation, a simple scheme to steer optical Gaussian beams in photovoltaic media is presented.

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  • 利用流体强度、相位频率等受流量调制特性传统流量传感器的基础上,可以制得新型流量传感器。

    Based on the traditional flowmeter , a new type flowmeter is fablicated utilizing the features of the fiber2optic in fluid , in which the amplitude , phase or frequence of the light may be modulated.

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  • 系统研究各种调制传感器重点研究了相位调制传感器。

    Kinds of optical modulation sensors, especially lightwave phase modulation sensors are studied.

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  • 相位跃变受激背散射入射激增益损耗调制结果

    In the process of compression the author observed phase jump, which is the modulating result of gain and loss between the Stokes light and incident light.

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  • 相位调制振幅调制连续变量量子密钥分发中不可缺少的调制器件。

    Phase modulator and amplitude modulator are both indispensable optical modulator in quantum cryptographic communication.

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  • 提出外部注入半导体混沌相位控制方法通过周期调制注入相位相移将激器的混沌控制多种周期状态。

    In this paper, a method of chaotic controlling is presented via controlling the phase in semiconductor lasers under to external optical injection.

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  • 聚合物单体由于敏感性折射率调制大和分辨率高等优点全息聚合物晶体相位调制器件中得到广泛应用

    Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating, photonic crystal and light phase modulator.

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  • 由于相位调制需要直流置,不会遇到直流偏置漂移问题

    The optical phase modulator does not suffer from the bias drifting problem as it does not need DC bias.

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  • 经过相位调制之后,输出信号包络保持不变基站用来承载强度调制上行信号。

    The envelope of output optical signal after the phase modulator keeps stable and the optical signal can be used to carry uplink data back to the base-station.

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  • 研究结果表明,群速度导致二倍脉冲宽度增大转换效率的降低,非线性相位调制使二倍频脉冲形状发生畸变,降低转换效率

    The results show that group-velocity mismatching is the main reason of the broadening of the second harmonic pulse and could lead to the decrement of conversion efficiency.

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  • 基于波导四波频(FWM)交叉相位调制(XPM)效应,提出归零码(NRZ)归零码(RZ)的调制格式转换

    A format conversion from a non-return-to-zero (NRZ) signal to return-to-zero (RZ) signal is presented based on four-wave mixing (FWM) and cross-phase modulation (XPM) in a silicon optical waveguide.

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  • 装置采用一个液晶显示器(LCD),它形成相位空间调制

    The device is based on a liquid crystal display (LCD), to form a phase-most spatial light modulator.

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  • 装置采用一个液晶显示器(LCD),它形成相位空间调制

    The device is based on a liquid crystal display (LCD), to form a phase-most spatial light modulator.

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