title: Sensing and compensation of femtosecond waveform distortion induced by all-order polarization mode dispersion at selected polarization states.
abstract: We demonstrate full characterization of femtosecond pulse distortion induced by all-order polarization mode dispersion (PMD) at selected polarization states via second-harmonic generation (SHG) frequency-resolved optical gating (FROG) measurements at an average power of under 28 nW. By applying the inverse of the measured spectral phase via a programmable pulse shaper, we compress the distorted pulses from more than 3 ps to nearly bandwidth-limited durations of less than 500 fs. Our results show that SHG FROG measurements performed by using fiber-pigtailed aperiodically poled lithium niobate waveguides can serve as a robust and sensitive tool for characterization of PMD-induced spectral phase.
authors.affiliation: Purdue University, West Lafayette, IN 47907, USA. hmiao@purdue.edu
authors.forename: Houxun
authors.initials: H
authors.lastname: Miao
authors.forename: Andrew M
authors.initials: AM
authors.lastname: Weiner
authors.forename: Carsten
authors.initials: C
authors.lastname: Langrock
authors.forename: Rostislav V
authors.initials: RV
authors.lastname: Roussev
authors.forename: Martin M
authors.initials: MM
authors.lastname: Fejer