其特点是相干受激放大。
反斯托克斯·拉曼背向自发散射的放大效应抑制了单模光纤中的相干噪声，改善了系统的信噪比。
The coherent noise of single mode fiber is restrained by the amplification effect of anti Stokes Raman backscattering, and the signal noise ratio of sensor system is improved.
只凭传统助听器来放大声音是无济于事的，因为它把不相干的音频放得过大。
Just amplifying the sound with a traditional hearing aid doesn't help because it makes the unaffected frequencies too loud.
本文利用耦合波理论分析推导了单模平面光波导中两波混合的耦合波方程和弱相干光放大率的表示式。
The coupled equation of two-wave mixing and expressions for weak beam amplification in a single mode waveguide are deduced by application of coupled wave theory.
研究了基于半导体光放大器（SOA）的光纤环形激光器的偏振混沌光的特性及其相干性。
The characteristic of polarization chaos laser and coherence of semiconductor optical amplifier(SOA)-based fiber ring laser are investigated.
取压缩相干态作为参量图像放大系统的输入像，研究了输出光学像的性质。
The properties of the output optical image are investigated by taking squeezed coherent states as the input image in the parametric image amplifier.
用密度矩阵的方法从理论上分析了不同频率的两个激光场混合泵浦的光纤放大器中，由光场诱导的原子相干效应。
The effects of atomic coherence on fiber amplifiers pumped by two lasers with different frequences are studied by using density matrix theory.
同时指出了这种连续波弱信号CO2激光放大研究用于CO2相干激光雷达前置放大器的可能性。
Some effects are achieved. In the meantime, the possibility of using the study result for the preamplifier of CO2 coherent laser radar is also analyzed.
光纤放大器相位噪声的探测和校正是光纤激光器阵列相干合成的关键技术，热效应是引起光纤放大器相位噪声的主要来源。
It is the key technology to detect and correct the phase noise of the fiber amplifier in coherent combining beam, the main source of phase noise in the fiber amplifier is the thermal effects.
研究正交相干态经过参量放大后态的非经典特性。
Study on Non-classical Quantum States of Boson Field and Their Manipulations;
研究正交相干态经过参量放大后态的非经典特性。
Study on Non-classical Quantum States of Boson Field and Their Manipulations;
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