title: Highly sensitive, photon number resolving detectors mediated by phonons using delta-doped GaAs transistors.
authors.affiliation: Hitachi Cambridge Laboratory, Hitachi Europe Ltd., Cambridge, United Kingdom. xx757@cam.ac.uk
authors.forename: Xiulai
authors.initials: X
authors.lastname: Xu
authors.forename: Hugh
authors.initials: H
authors.lastname: Baker
authors.forename: David A
authors.initials: DA
authors.lastname: Williams