title: Two-dimensional coherent superposition of blue-shifted signals from an array of highly nonlinear waveguiding wires in a photonic-crystal fiber.
abstract: Frequency-shifted dispersive optical waves generated as a result of soliton dynamics of 30-fs Ti: sapphire-laser pulses in an array of waveguiding wires, implemented on a platform of a photonic-crystal fiber (PCF), are shown to produce regular stable interference patterns with high visibility, indicating a high coherence of frequency-shifted fields. For a hexagonal array of waveguides built into a silica PCF, the field intensity at the main peak of a six-beam interference pattern was found to be a factor of 22 higher than the intensity of a frequency-shifted signal from an individual waveguide in the array and 3.7 times higher than the field intensity attainable through an incoherent superposition of the same fields.
authors.affiliation: Ultrafast Laser Lab, School of Precision Instruments and Optoelectronics Engineering, Key Laboratory of Optoelectronic Information Technical Science, Tianjin University, Tianjin, PR China
authors.forename: Ming-Lie
authors.initials: ML
authors.lastname: Hu
authors.forename: Yan-Feng
authors.initials: YF
authors.lastname: Li
authors.forename: Lu
authors.initials: L
authors.lastname: Chai
authors.forename: Qirong
authors.initials: Q
authors.lastname: Xing
authors.forename: Lyubov V
authors.initials: LV
authors.lastname: Doronina
authors.forename: Anatoly A
authors.initials: AA
authors.lastname: Ivanov
authors.forename: Ching-Yue
authors.initials: CY
authors.lastname: Wang
authors.forename: Aleksei M
authors.initials: AM
authors.lastname: Zheltikov
mesh_terms: D003116:Color; D003198:Computer Simulation; D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D005336:Fiber Optic Technology / Q000295:instrumentation*; D008027:Light; D008029:Lighting / Q000295:instrumentation*; D008962:Models, Theoretical; D043942:Nanotubes / Q000737:chemistry*; D017711:Nonlinear Dynamics; D017785:Photons; D012542:Scattering, Radiation; D014159:Transducers