| 1. | Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers . 研制这种分布反馈双异质结构激光器要求在皱折层上生长出单晶层。 |
| 2. | proof of distributed feedback was the tuning of the laser wavelength over 130°a by changing the grating period, and the absence of shift in wavelength with increasing excitation current. 存在分布反馈的证据是,改变光栅周期可使激光波长在130A范围内变化以及波长不随激发电流的增大而移动。 |
| 3. | Ea - dfb : electricity absorb - distributed feedback 电吸收分布反馈 |
| 4. | Dfb - ld distributed feedback ld 分布反馈型 |
| 5. | Dfb distributed feedback 分布反馈激光器 |
| 6. | In present commercial wdm systems , distributed feedback las ers ( dfb - ld ) are widely used as a single - mode tight source 在目前的wdm系统中,分布反馈半导体激光器( dfb - ld )已被广泛地用作单频光源。 |
| 7. | Matrix methods and coupled mode theory are applied to resonator structures such as distributed feedback lasers , tunable lasers and microring devices 矩阵方法与偶合模式理论被提供来做共振腔结构,如分散式回授雷射、可调雷射及微环型元件。 |
| 8. | < uk > proof of distributed feedback was the tuning of the laser wavelength over 130 a by changing the grating period , and the absence of shift in wavelength with increasing excitation current . < / uk > < uk >存在分布反馈的证据是,改变光栅周期可使激光波长在130 a范围内变化以及波长不随激发电流的增大而移动。 < / uk > |
| 9. | Two - segment distributed feedback ( dfb ) semiconductor lasers can achieve tuning with single longitudinal mode in a certain wavelength range ; at the same time , its superiority also includes bistablity and wavelength conversion 其中,两段式分布反馈( distributedfeedback , dfb )半导体激光器可以在一定波长范围内实现单纵模、可调谐工作;同时,它还具有双稳、波长转换等功能。 |
| 10. | At the same time , analysis of effects of gaussian distributed and uniform distributed feedback error of the channel fading behavior on throughput performance of adaptive mqam reveals that the obvious throughput loss shall be observed as far as the error exceeds certain limit 同时,高斯分布和均匀分布的信道衰落信息反馈误差对自适应mqam吞吐量性能影响的研究表明,当误差超过一定程度时,自适应系统吞吐量性能明显下降。 |