Showing papers in "Optical Fiber Technology in 2006"

TL;DR: In this article, the optical amplification technology is adopted into the EFPI sensor system to enhance the interferometric signal considerably, and both spatial-frequency multiplexing and coarse-wavelength division multiple-xing technologies are demonstrated for the Fizeau sensor in order to realize the measurement of multiple parameters such as displacement, transverse load, static strain, temperature, and vibration.

TL;DR: In this paper, the authors overview the recent development in applications of spectral broadening and supercontinuum generation in the field of optical communications, and special attention is dedicated to recent results obtained in their research groups.

TL;DR: In this article, a novel design of a remote sensor for temperature detection based on surface plasmon resonance and optical fiber technology is presented, which theoretically analyzes the performance of proposed sensor under different conditions related to its constituents, i.e., optical fiber, metallic layer, sensing region, and launched light.

TL;DR: In this article, a WDM-PON system which uses the laser light injected reflective semiconductor optical amplifier (R-SOA) as the optical transmitter is proposed, where the optical carrier consists of a pair of the perpendicularly polarized laser lights to avoid the polarization dependence of R-SOAs.

TL;DR: In this paper, a Brillouin sensor system was used to monitor steel pipe and column buckling using an axial load and compressive strain measurements from the same spectrum, which can extract both tension and compression at the same time.

TL;DR: In this paper, a simple method for the measurement of second and third-order dispersion coefficients in optical fibers using power and dispersion dependences of modulation instability near the zero-dispersion wavelength is presented.

TL;DR: An all-optical NAND gate using integrated SOA-based Mach–Zehnder interferometer and 10 Gb/s RZ pseudorandom bit sequences is proposed and demonstrated for the first time, demonstrating its effectiveness.

TL;DR: In this article, Er3+−Tm3+ co-doped tellurite optical fibers with 7500 ppm Er 3+ concentration and diverse 2500-15,000 ppm Tm 3+ concentrations were manufactured, and their amplified spontaneous emission (ASE) intensities 1550 nm band around were obtained for 980 and 790 nm pump laser.

TL;DR: In this article, a dual-dopant system has dual emission bands that emit comparable fluorescence powers, which is useful for sensors that are used in a harsh environment without any use of additional referencing techniques.

TL;DR: In this paper, the authors demonstrate high performance and wideband wideband bismuth-oxide-based erbium-doped fiber amplifiers (BI-EDFAs) with multi-stage configurations.

TL;DR: In this article, a high birefringence photonic bandgap fiber (PBGF) with elliptical air holes in cladding and circular air hole in core was proposed and the forbidden gaps of the honeycomb structure were calculated when the circular air holes are deformed to the elliptical shape.

TL;DR: In this paper, the authors report numerical and analytical studies of the propagation of ultrashort optical soliton pulses in two-core nonlinear fiber couplers constructed with periodically modulated dispersion fiber (PMDF).

TL;DR: In this paper, the effect of attachment process parameters (such as the amount of bulk adhesive, and the thickness/symmetry of the adhesive layer between the fiber and V-groove walls) on the alignment of the fiber with the laser diode assembled on SiOB, is studied.

TL;DR: The results show that the first-order PMD model can be used to approximate the all-orderPMD model when no PMD compensation is used, but none of the known PMD models can generate results close enough to those of theall-orders model for a PMD compensated system.

TL;DR: In this article, a ring launching scheme using a mode converter based on hollow optical fiber (HOF) is theoretically investigated for the purpose of increasing bandwidth for multimode Gigabit Ethernet communication.

TL;DR: In this paper, the authors exploit the interaction between two time-delayed optical similaritons with the same wavelength to generate a sinusoidal beating which subsequently evolves into an ultrahigh repetition-rate train of dark solitons through the combined effects of normal dispersion, nonlinearity, and adiabatic Raman gain.

TL;DR: In this article, an extensive analysis of the polarization properties of single-mode telecommunication fibers is presented, in which both unidirectional and periodic spin profiles are considered and it is shown that very high polarization maintaining capabilities may be achieved by properly tuning the spin parameters.

TL;DR: In this article, an experimental demonstration of using chirped-pulsed frequency modulation technique (C-PFM) in order to increase the multiplexing capability of a multipoint fiber Bragg grating (FBG) sensor network without increasing the hardware complexity of the acquisition system is presented.

TL;DR: In this article, a simple clock recovery scheme through beating process between the carrier frequency component and one of the clock frequency components in modulated NRZ signals was proposed and experimentally demonstrated.

TL;DR: In this paper, a polarization dependent loss (PDL) vector equation of motion in Stokes space was derived in a system interacting with polarization mode dispersion (PMD), and a new PDL measurement method based on the PDL vector equation was proposed and validated by numerical simulation and experiment.

TL;DR: In this article, evanescent wave filtering (EWF) technique based on the overlap in the radiative transition cross sections between the emitting ion in the core and the absorbing ion in inner cladding is discussed.

TL;DR: In this article, the authors proposed a method for the prevention of long-term delamination of polymeric coatings from glass fibers, which is based on temperature cycling induced interfacial-shear-stress between the glass fiber and primary coating.

TL;DR: In this article, a flat-top comb filter based on high birefringent (Hi-Bi) fiber Sagnac interferometer is proposed for the first time.

TL;DR: In this article, a three-step process is proposed for designing a two-mode photonic crystal fiber (PMTMPCF) and an optimized PCF and its twomode interference properties are reported.

TL;DR: In this paper, a genetic algorithm is applied to reconstruct the arbitrary strain and temperature distribution profiles simultaneously from the measured reflection intensity spectra of the four FBGs, and it is found that the proposed scheme successfully reconstructs the applied strain, temperature and temperature fields.

TL;DR: In this article, the authors measured the system impacts due to the amplitude of group-delay (GD) ripple in single and cascaded chirped fiber Bragg gratings (CFBGs).

TL;DR: In this paper, the Q factor and the conversion efficiency of an all-optical wavelength converter based on four-wave mixing in dispersion-shifted fibers at 10 Gb/s employing single sideband signal were analyzed.

TL;DR: An optical dynamic frequency hopping code division multiple access communication system using an electrically controlled tunable optical filter to encode the modulated broadband light source and two-dimensional code, named functional code, is proposed based of shifted sine function.

TL;DR: A newly developed in-service measurement technique that can be used from a central office to find and identify any filter in front of an ONU on an optical fiber access network and can be performed continuously and automatically with existing automatic fiber testing systems.

TL;DR: In this article, the design accuracy of fiber optic connectors was studied and factors affecting the fiber eccentricity during ferrule connections, including dimensions and tolerances, were discussed and expressed in mathematical models.