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This talk will focus on Tunable and CMOS-compatible THz emitter based on nonlinear mixing in microring resonator

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Title: Integrated levitated optomechanical system Abstract: An optomechanics system can be defined as one in which light and mechanical system interact. These kind of systems can be found in many forms and sizes, and have been used for high-sensitivity sensing and quantum measurement. Among them, one of the most promising systems is the levitated optomechanics, in which a particle is trapped and thus forms an special optomechanical system. Within these system, the particle’s isolation to the environment results in an extremely high quality factor approaching 1012. In this project, I will explore the combination of macroscopic levitation system and micro-nano fabrication, to enable a integrated levitated optomechanical system, and finally to find applications in biomedicine and high-sensitivity measurement.

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Pioneer of the usage and analysis of mobile phone meta-data for development purposes, Flowminder is an award-winning, non-profit organisation funded by the UN Foundation, ECHO, Bill & Melinda Gates Foundation, DFID, EU, World Bank, IDB, WFP and others. Flowminder’s mission is to improve public health and welfare in low- and middle-income countries using data from mobile operators, satellite imagery and geo-located household surveys. Much of its work is focuses on understanding, monitoring and predicting the distributions, characteristics and dynamics of human populations, providing insights, tools and capacity building to governments, international agencies and NGOs. Previous works include support to the humanitarian community in multiple disaster response operations (the Haiti 2010 Earthquake, the Nepal Earthquake 2015 and Haiti Hurricane Matthew 2016) and during disease outbreaks (Haiti cholera, DRC Ebola), analysis of migration patterns and social networks to predict poverty, food insecurity and to gain a better understanding of human mobility in crisis. Partner of the WorldPop programme, Flowminder works together with researchers at the University of Southampton, developing and operationalising new approaches to solving developmental and humanitarian challenges.