Postdoctoral candidates with experience in the following areas are preferable: femtosecond lasers, nonlinear optics, ARPES.
Other useful links:
IQIM Postdoctoral Fellowship: https://applications.caltech.edu/job/iqim
Caltech Postdoctoral Prize Fellowship: https://applications.caltech.edu/
KNI Prize Postdoctoral Fellowship: http://www.kni.caltech.edu/pdsearch/
Caltech undergraduate SURF program: http://www.surf.caltech.edu
IQIM Postdoctoral Fellowship: https://applications.caltech.edu/job/iqim
Caltech Postdoctoral Prize Fellowship: https://applications.caltech.edu/
KNI Prize Postdoctoral Fellowship: http://www.kni.caltech.edu/pdsearch/
Caltech undergraduate SURF program: http://www.surf.caltech.edu