| 1. | The growth of mqw is summarized 引入了模拟mqw的数学模型。 |
| 2. | 7 . the effect of the mqw on the hb - led is analyzed 全面分析多量子阱结构( mqw )在hb - led中的重要作用。 |
| 3. | Mqw have the same effect on hb - led as dh , but better than that Mqw结构比dh结构更加有效的限制载流子,增加辐射复合效率。 |
| 4. | Al content will decrease if using mqw even the same emitting wavelength . and it will improve the quality of the crystal 采用mqw结构可以减小相同发射波长下材料中的铝组分,从而改善了晶体大的质量。 |
| 5. | And emission wavelength depends on ratio of well / barrier width more than number of wells . some useful data has been found through experiments 阱垒宽厚度比a较之mqw的周期数目n对pl发光波长的影响更大。 |
| 6. | Thin sin layers and nitride - based multiquantum well ( mqw ) light emitting diode ( led ) structures with conventional single gan buffer and gan / sin double buffers were grown on sapphire substrates by metalorganic chemical vapor deposition ( mocvd ) 摘要以有机金属化学气象沉积在蓝宝石基板上成长由单一氮化镓成核层与氮化镓/氮化矽双缓冲层所形成的两种不同氮基础的多层量子井发光二极体结构。 |
| 7. | In this dissertation , a novel m - z high speed modulator is proposed , analyzed , fabricated and measured , employing multiple quantum well ( mqw ) structures and traveling wave ( tw ) electrodes to meet the demand of low voltage and wide bandwidth 本论文采用行波量子阱结构来设计40ghz的电光调制器。为实现高带宽,低驱动的要求,本论文着重在量子阱的光学特性和器件的微波特性两个方面进行了深入的研究。 |
| 8. | Structuring three - level model on basis of two - level model . published before . the circuit model is simulated and some results are gotten by taking account into the same parameters . mqw - ld circuit model designed by grossi is adopted to be illustrated by some solo subcircuits 在已发表的二层电路模型基础上提出了三层模型,在所依据的参数基本相同的情况下,对模型进行模拟,并对所获的结果进行比较讨论。 |
| 9. | In order to improve the design of mqw structure and the quality of material , gainp / ( alxga1 - x ) inp mqw have been manufactured and analyzed by photoluminescence and raman . great achievements have been obtained . ( 1 ) the theory of photoluminescence of galnp / algalnp mqw was analyzed 本论文主要通过光致发光和喇曼两种检测方法,对gainp ( al _ xga _ ( 1 - x ) ) inpmqw外延片的光学性质进行深入的理论分析和实验研究,以达到改善mqw结构设计和提高材料生长质量的目的。 |