title: Waveguide-based single-pixel up-conversion infrared spectrometer.
abstract: A periodically poled lithium niobate (PPLN) waveguide-based single-pixel up-conversion infrared spectrometer was demonstrated. Sum-frequency generation between a 1.5-microm-band scanning pump laser and a 1.3-microm-band signal generated visible radiation which was detected by a silicon single-photon detector. The up-conversion spectrometer's sensitivity was two-orders-of-magnitude higher than that of a commercial optical spectrum analyzer.
authors.affiliation: Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA. qiangzh@stanford.edu
authors.forename: Qiang
authors.initials: Q
authors.lastname: Zhang
authors.forename: Carsten
authors.initials: C
authors.lastname: Langrock
authors.forename: M M
authors.initials: MM
authors.lastname: Fejer
authors.forename: Yoshihisa
authors.initials: Y
authors.lastname: Yamamoto