General InformationPublications
Photo of Jian Xu

Jian Xu

Associate Professor

Engineering Science and Mechanics

Office: 205B Earth and Engineering Sciences Building


Phone: 814-863-0721

Personal or Departmental Website

Semiconductor optoelectronic devices/circuits; bioelectronic and biophotonic devices; MicroOptoElectroMechanical Systems; Molecular bioelectronic materials; Light-sensitive proteins; Polymers; Electro-optic modulators; Semiconductor lasers and detectors.



The Penn State Department of Engineering Science and Mechanics (ESM) is an internationally distinguished department that is recognized for its globally competitive excellence in engineering and scientific accomplishments, research, and educational leadership.

Our Engineering Science program is the official undergraduate honors program of the College of Engineering, attracting the University’s brightest engineering students. We also offer graduate degrees in ESM, engineering mechanics, engineering at the nano-scale, and an integrated undergraduate/graduate program.

Department of Engineering Science and Mechanics

212 Earth and Engineering Sciences Building

The Pennsylvania State University

University Park, PA 16802

Phone: 814-865-4523