CAREER: Advanced Materials for Photonics

建议的活动是根据受影响的学生群体组织的，从研究生到学龄前学生。在技术前沿保持积极的研究计划，将使每个年龄段都能真正适用于课程。在研究生教育之后，小一将继续教授一门名为《薄膜技术原理》的课程，并将在未来5年专注于两个具体目标。一个是开发新的教材，另一个是继续发展动手团队竞赛实验室。这两个目标是相辅相成的，因为实验室手册将作为教科书的辅助工具出版。在研究生研究方面，拟议的工作旨在为集成电路配备重要的器件，这些器件目前只能作为分立元件使用。一个很好的例子是磁光隔离器，目前由掺杂的钇铁石榴石(YIG)组成，由于它们延长了激光寿命，被认为是光纤系统中最重要的组件。如果可以将隔离器直接集成到光源中，则在光学系统中添加隔离器的尺寸、重量和成本将大大降低。在这里，将在集成隔离器方面取得快速进展，使用先前NSF支持奠定的基础(工作邀请到Photonics West 2001)。我们将研究各种磁光波导和永磁膜，以便在未来五年内开发出几代集成隔离器。除了集成隔离器之外，拟议的工作还将把P1‘S的专业知识扩展到光子晶体这一革命性的领域。她已经开始在阳极氧化氧化铝中生长纳米结构，并计划将这些结构应用于开发2D磁光带隙材料。对于这种应用，纳米结构必须具有良好的周期性。使用一种新的气相沉积技术，这些结构将在生长过程中在电子显微镜中直接观察到。这将使对生长机制的研究成为可能，从而在抑制成核的同时鼓励生长，从而导致扩展的长程有序。然后，这些纳米结构将被用来从隔离器中设计出最好的磁光波导，以制造磁光子晶体。这项工作具有革命性，因为它为目前只作为一维多层结构进行研究的磁光子晶体领域增加了一个新的维度。在本科生教育和研究方面，将启动地方大学设施使用计划，将继续支持MRS本科生材料研究计划(由P1创建的计划)，并将更新P1‘S系的国家科学基金会本科生研究经验计划。NSF REU和明尼苏达大学的UROP项目都将用于支持本科生研究项目。本科教学最初将采取复习的形式，以便小一能够了解她随后要教授的系级课程。最后，学前-12年级的科学推广将包括每年夏天聘请一名高中生与小一的S小组合作，并为学龄前-12年级的小组开发和提供科学演示。作为代表人数不足的群体的一部分，P1经常被要求向同一群体的青年进行这些示范。这一基层推广活动有望为科学界招收更多优秀学生。

The proposed activities are organized according to the impacted student group from graduate down to preschool students. Maintaining an active research program on the cutting edge of technology will enable truly applicable lessons to be brought to each age group.Towards graduate education, the P1 will continue to teach a course entitled "Principles of Thin Film Technology," and will focus on two specific goals over the next 5 years. One is the development of a new textbook and the other is the continued development of hands-on team-competition laboratories. These two goals are complimentary in that a laboratory manual will be published as an ancillary to the textbook.Towards graduate research, the proposed work aims to equip integrated optical circuits with important devices that are currently available only as discrete components. A great example would be magneto-optical isolators, currently composed of doped yttrium iron garnet (YIG), which have been cited as the most important components in fiber optic systems due to their extension of laser lifetimes. The size, weight and cost of adding an isolator to an optical system would be greatly reduced if the isolator could be integrated directly into the optical source. Here, rapid progress will be made toward integrated isolators using the foundation laid by prior NSF support (work invited to Photonics West 2001). Various magneto-optical waveguides and permanent magnet films will be investigated so that several generations of integrated isolators will be developed over the next five years.In addition to integrated isolators, the proposed work will extend P1's expertise into the revolutionary field of photonic crystals. She has started growing nanostructures in anodized alumina and plans to apply these structures to develop 2D magnetophotonic bandgap materials. For this application, the nanostructures must have excellent periodicity. Using a novel vapor deposition technique, the structures will be observed directly in an electron microscope as they grow. This will enable investigations of the growth mechanisms so that nucleation can be suppressed while growth is encouraged, resulting in extended long range order. These nanostructures will then be used to pattern the best magneto-optical waveguides from the isolator work in order to make magnetophotonic crystals. This work is revolutionary in that it adds a new dimension to the current field of magnetophotonic crystals, which are presently only studied as one-dimensional multilayers.Towards undergraduate education and research, a Local College Facilities Usage Program will be inaugurated, support of the MRS Undergraduate Materials Research Initiative (a program founded by the P1) will continue, and the NSF Research Experiences for Undergraduates Program in the P1's department will be renewed. Both the NSF REU and the University of Minnesota's UROP programs will be used to support undergraduate research projects. Undergraduate teaching will take the form of recitations initially so that the P1 can learn about the departmental courses that she will subsequently teach.Finally, preschool-12th grade science outreach will include hiring a high school student to work with P1's group every summer, and developing and delivering science demonstrations to preschool-12th grade groups. As part of an underrepresented group, the P1 is often asked to deliver these demonstrations to youth of the same group. This grassroots outreach has promise for recruiting additional good students to science.