1. Millimeter-wave over fiber systems, supported by National Science Fund of China, (2008-2011)

2. Optical label switching for next generation internet (NGI), supported by China National High-tech (863) R&D Fund on communications,(2005-2008),

3. Optical packet switching and its test bed, supported by National Science Fund of China, (2007-2010)

4. Tb/s DWDM transmission system and multi-granularity optical cross connected node supported by National Natural Science Fund of China, (2002-2005)

5. Implementation of Tbps optical transmission equipments, cooperated with ZTE Co. (2003-2005)

6. Burst mode optical transceivers for EPON supported by China National High-tech (863) R&D Fund on Optoelectronics and cooperated with Hi-Optel Co. ,(2002-2005)

7. Technique of Optical label processing in optical label switching networks supported by China National High-tech (863) R&D Fund on Communications, (2002-2004)

8. Measurement and compensation of the polarization mode dispersion in optical fiber supported by China National High-tech (863) R&D Fund on Optoelectronics, (2000-2001)

9. Some projects cooperated with industry