Results 101 to 110 of about 75,635 (165)

High power (60mW) single frequency erbium:ytterbium codoped fiber laser

, 1997
The characteristics of a high power Er3+:Yb3+ single frequency fiber laser pumped at 980nm are reported. The device gives 60mW output power with RIN 10MHz and linewidth 500kHz.
Dong, L., Hsu, K., Samson, B.N., Loh, W.H.   +3 more
core  

Gain equalization of a six-mode-group ring core multimode EDFA

We propose a 6-mode-group ring core multimode erbium doped fiber amplifier (RC-MMEDFA) capable of providing almost identical gain among the six mode groups within the C band using either core- or cladding-pumped ...
Alam, S.U., Lim, E.L., Jin, X., Jung, Y., Kang, Q., Richardson, D.J., Payne, F.P.   +6 more
core  

Semiconductor filled microstructured optical fibres with single mode guidance

Microstructured optical fibre (MOF) technology has generated new opportunities for the implementation of optical fibres with novel properties and functions [1].
Vukovic, N., Peacock, A.C., Poletti, F., Healy, N.   +3 more
core  

Raman amplification and pulsed lasing in cladding-pumped germanosilicate fiber

We report for the first time Raman amplification in a cladding-pumped fiber. The double-clad germanosilicate fiber was pumped by a Q-switched Er-Yb co-doped fiber laser at 1570 nm. The power conversion efficiency was up to 36%, with a slope of 64%
Selvas, R., Hanna, D.C., Nilsson, J., Grudinin, A.B., Sahu, J.K., Jang, J.N.   +5 more
core  

Polarization mode dispersion reduction in spun silica holey fibres

We report the fabrication of a spun holey optical fibre. Our experiments show that the complex air/glass transverse structure can be retained when the preform is spun during the fibre drawing process.
Petrovich, M.N., Fuochi, M., Baggett, J.C., Richardson, D.J., Monro, T.M., Hayes, J.R.   +5 more
core  

Optical waveguide analysis using transmission lines

Optical fibres have been used as a key medium for telecommunication and networking for more than two decades because in principle they offer sufficient transmission capacity, reaching total rates as high as Tbits/s per fibre.
Qian, Xin
core  

single-mode optical fiber [PDF]

, 2000
openaire   +1 more source

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Triangular-profile single-mode fiber

Optics Letters, 1982
A low-loss triangular-profile single-mode fiber is reported. The fiber loss at 1.3-1.55microm wavelengths is below 0.4 dB/km, and its zero-chromatic-dispersion wavelength is 1.402 microm.
M A Saifi, L G Cohen
exaly   +3 more sources

All-single-mode fiber resonator

Optics Letters, 1982
An all-fiber-ring resonator has been constructed using a single strand of single-mode optical fiber and a directional coupler. Derivation of the resonator finesse in terms of fiber and directional coupler parameters is given. A finesse of 80 has been achieved experimentally. Applications of such a fiber-ring resonator are discussed.
H J Shaw
exaly   +3 more sources

Bitapered fiber coupling characteristics between single-mode single-core fiber and single-mode multicore fiber

Applied Optics, 2008
By splicing and tapering at the fusion point of one-core single-mode fiber and three- or four-core single-mode fiber, an effective bitapered fiber coupling technique is implemented. Based on the beam propagation method, the bitapered coupling characteristics between the one-core fiber and the multicore single-mode fiber are simulated and analyzed.
Libo Yuan, Zhihai Liu, Jun Yang
exaly   +3 more sources