Results 31 to 40 of about 10,365 (247)

Offset frequency dynamics and phase noise properties of a self-referenced 10 GHz Ti:sapphire frequency comb

open access: yes, 2011
This paper shows the experimental details of the stabilization scheme that allows full control of the repetition rate and the carrier-envelope offset frequency of a 10 GHz frequency comb based on a femtosecond Ti:sapphire laser.
Bartels, Albrecht   +2 more
core   +1 more source

Effective area of photonic crystal fibers [PDF]

open access: yes, 2002
We consider the effective area A_eff of photonic crystal fibers (PCFs) with a triangular air-hole lattice in the cladding. It is first of all an important quantity in the context of non-linearities, but it also has connections to leakage loss, macro ...
Mortensen, Niels Asger
core   +2 more sources

A double guidance mechanism, nitroaniline based microstructured optical fiber

open access: yesScientific Reports, 2018
A new type of all-solid, photonic bandgap fiber exhibiting a wavelength dependent guidance mechanism and second harmonic generation capabilities is presented.
Georgios Violakis, Stavros Pissadakis
doaj   +1 more source

BEND-INDUCED LOSSES IN A SINGLE-MODE MICROSTRUCTURED FIBER WITH A LARGE CORE [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2015
A study of bend-induced losses in a silica-based single-mode microstructured fiber with a core diameter ranging from 20 to 35 microns and increased relative air content in the holey cladding has been conducted.
Y. A. Gatchin   +5 more
doaj   +1 more source

Photon pair generation using four-wave mixing in a microstructured fibre: theory versus experiment

open access: yes, 2006
We develop a theoretical analysis of four-wave mixing used to generate photon pairs useful for quantum information processing. The analysis applies to a single mode microstructured fibre pumped by an ultra-short coherent pulse in the normal dispersion ...
Alibart, O.   +5 more
core   +1 more source

PCF Based Sensor with High Sensitivity, High Birefringence and Low Confinement Losses for Liquid Analyte Sensing Applications [PDF]

open access: yes, 2015
In this paper, we report a design of high sensitivity Photonic Crystal Fiber (PCF) sensor with high birefringence and low confinement losses for liquid analyte sensing applications.
Ademgil, Huseyin, Haxha, Shyqyri
core   +3 more sources

Ultra-low Brillouin scattering in anti-resonant hollow-core fibers

open access: yesAPL Photonics, 2020
Sensitive optical experiments in fiber, including for applications in communications and quantum information, are limited by the noise generated when light scatters from thermally excited guided-acoustic phonons.
Arjun Iyer   +4 more
doaj   +1 more source

Optimizing the Structure of Vector Bend and Strain Sensor on the Base of Three-Core Microstructured Fiber

open access: yesJournal of Telecommunications and Information Technology, 2012
In the paper the optical sensor allowing measuring a direction, values and localization of bends and stresses in building structures is described. The sensitive element of the sensor is the microstructured fiber with three cores.
Igor A. Goncharenko   +3 more
doaj   +1 more source

Efficiency of dispersive wave generation in dual concentric core microstructured fiber

open access: yes, 2015
We describe the generation of powerful dispersive waves that are observed when pumping a dual concentric core microstructured fiber by means of a sub-nanosecond laser emitting at the wavelength of~1064 nm.
Aceves, Alejandro B.   +12 more
core   +3 more sources

Hysteresis phenomenon and multistability in figure-of-eight microstructured fiber laser [PDF]

open access: yes, 2015
We report a theoretical investigation of multi-pulse emission of a microstructured figure-ofeight fiber laser operating in passive mode-locking. The proposed laser is mode locked by the nonlinear amplifying loop mirror (NALM).
F. Bahloul   +4 more
core   +3 more sources

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