Electrically induced optical frequency shifts of laser light using microresonators

非技术描述该计划将开发一种新型平台，能够通过施加电场来改变激光发射后的频率，而不需要增益介质或光泵。当前改变光频率的技术需要强大的光泵，这限制了基于激光频率转换的设备的可扩展性。所提出的技术将电诱导光子芯片上的激光频移，并能够从单个输入激光在芯片上产生多个所需频率。这种新功能将实现高基数光交换、单光子频率控制，并为网络流量操作增加一个新的维度。该项目旨在通过集成光子学让未被充分代表的大学预科和本科学生接触STEM职业。我们将为当地高中社区开发一个为期一周的迷你课程，以光子学实践活动为中心。这些学院将在夏季接待代表性不足的本科生，让他们获得身临其境的研究体验。作为这项工作的一部分，我们将在集成光子学，微加工，非线性光学和腔动力学方面培养两名博士生。技术描述pi建议在使用无损电光平台的光子芯片上开发和演示电诱导绝热频率转换。将绝热频率转换的一般理论模型扩展到建立在电光平台上的光子器件，为本文的研究奠定了基础。在理论框架的基础上，实验工作将展示利用微环谐振腔耦合到总线波导的集成光子平台上的电频率转换。pi计划将频率转换从单腔扩展到耦合腔阵列，以实现级联频率转换。该奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

Non-technical descriptionThis program will develop a novel platform capable of changing the frequency of laser light after its emission by applying an electrical field, without the need of a gain medium or an optical pump. Current techniques for changing the frequency of light require strong optical pumps, which limit the scalability of devices based on laser frequency conversion. The proposed technology will electrically induce laser frequency shifts on a photonic chip and enable generation of multiple desired frequencies on a chip from a single input laser. This new capability will enable high-radix optical switching, frequency control of single photons, and add a new dimension to network traffic manipulation. This project seeks to expose underrepresented students at the pre-college and undergraduate levels to STEM careers via integrated photonics. We will develop a weeklong mini course centered on hands-on activities in photonics for the local high school community. The PIs will host underrepresented undergraduate students for an immersive research experience during the summer. As part of this effort, we will train two PhD students in integrated photonics, microfabrication, nonlinear optics, and cavity dynamics. Technical descriptionThe PIs propose to develop and demonstrate electrically induced adiabatic frequency conversion on a photonic chip using a lossless electro-optic platform. The proposed work will lay the foundation by extending the general theoretical model of adiabatic frequency conversion to photonic devices built on electro-optic platforms. Building on the theoretical framework, the experimental work will demonstrate electrical frequency conversion on an integrated photonic platform using microring resonator cavities coupled to a bus waveguide. The PIs plan to extend frequency conversion from a single cavity to arrays of coupled cavities to enable cascaded frequency conversion.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.