We use mode multiplexing and demultiplexing in apodized aperiodically poled lithium niobate waveguides to enable characterization of picosecond optical pulses in a collinear but background-free way using autocorrelation and second-harmonic frequency-resolved optical gating.
© 2007 Optical Society of America
Original Manuscript: March 28, 2007
Revised Manuscript: May 23, 2007
Manuscript Accepted: June 12, 2007
Published: August 2, 2007
Carsten Langrock and M. M. Fejer, "Background-free collinear autocorrelation and frequency-resolved optical gating using mode multiplexing and demultiplexing in aperiodically poled lithium niobate waveguides," Opt. Lett. 32, 2306-2308 (2007)