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Percy Yixuanchen Yu

Percy Yixuanchen Yu is the Inaugural Visiting Fellow at the School of International Studies, Nanjing University; a Visiting Scholar at the Huazhi Institute for Global Governance; and a Non-resident Fellow at the Institute of Campaign Finance.

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Latest from Percy Yixuanchen Yu

A 300 mm photonic integrated circuit (PIC) semiconductor wafer fabricated by AIM Photonics using a new low-optical-loss passive fabrication technique and components developed by the U.S. Naval Research Laboratory Optical Sciences Division in the Nanophotonics Characterization Laboratory in Washington D.C., June 2021. The PIC semiconductor wafer is patterned into 64 identical parts, each one called a reticle, approximately 1 in. by 1 in., 20 reticles have been removed from the wafer for photonic test and analysis with functionalities targeting Department of Defense priorities such as quantum information and computing, data remoting, and navigation and timing.

Supply Chain

November 13, 2026

Defense Chip Procurement Needs a Recovery Test

A second semiconductor factory is useful to the Pentagon only if it can deliver the component a military customer needs when the first route fails....

Percy Yixuanchen Yu • RealClearDefense
Taiwan Military Exercise

Military Strategy

August 17, 2026

Democratic Deterrence Has a Time Problem

Beijing can apply pressure continuously. Democracies must turn episodic promises into routines that survive budgets, elections and leadership...

Percy Yixuanchen Yu • RealClearDefense

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