title: Lock-in detection for pulsed electrically detected magnetic resonance.
abstract: We show that in pulsed electrically detected magnetic resonance (pEDMR) signal modulation in combination with a lock-in detection scheme can reduce the low-frequency noise level by one order of magnitude and in addition removes the microwave-induced non-resonant background. This is exemplarily demonstrated for spin-echo measurements in phosphorus-doped silicon. The modulation of the signal is achieved by cycling the phase of the projection pulse used in pEDMR for the readout of the spin state.
authors.affiliation: Walter Schottky Institut, Technische Universität München, Am Coulombwall 4, 85748 Garching, Germany. hoehne@wsi.tum.de
authors.forename: Felix
authors.initials: F
authors.lastname: Hoehne
authors.forename: Lukas
authors.initials: L
authors.lastname: Dreher
authors.forename: Jan
authors.initials: J
authors.lastname: Behrends
authors.forename: Matthias
authors.initials: M
authors.lastname: Fehr
authors.forename: Hans
authors.initials: H
authors.lastname: Huebl
authors.forename: Klaus
authors.initials: K
authors.lastname: Lips
authors.forename: Alexander
authors.initials: A
authors.lastname: Schnegg
authors.forename: Max
authors.initials: M
authors.lastname: Suckert
authors.forename: Martin
authors.initials: M
authors.lastname: Stutzmann
authors.forename: Martin S
authors.initials: MS
authors.lastname: Brandt