Journal club about the paper:
"Coupling between energy and phase in hollow-core fiber based f-to-2f interferometers "
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-14-12082
also read:
"Determining the phase-energy coupling coefficient in carrier-envelope phase measurements"
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-7-796