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10 items by relevance
1 Book chapter

Optical Amplifiers

Nilsson, J.; Lægsgaard, Jesper; Bjarklev, Anders Overgaard

Handbook of Optoelectronics — 2006

Year: 2006

Language: English

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2 Journal article

Linewidth Enhancement Factor of Quantum-Dot Optical Amplifiers

Vazquez, J.M.; Nilsson, H.H.; Zhang, J.-Z.; Galbraith, I.

Ieee Journal of Quantum Electronics — 2006, Volume 42, Issue 10, pp. 986-993

The linewidth enhancement (alpha-) factor of quantum-dot (QD) semiconductor optical amplifiers in the small signal gain and nonlinear regimes is theoretically investigated. A microscopic polarization equation and a wave equation are used to model subpicosecond pulse propagation in the nonlinear

Year: 2006

Language: English

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3 Preprint article

Single clad coiled optical fibre for high power lasers and amplifiers

Grudinin, A.B.; Nilsson, J.; Turner, P.W.; Renaud, C.C.; Clarkson, W.A.; Payne, D.N.

We demonstrate a new concept in development of high power fibre lasers based on single clad coiled fibres. Combination of a highly efficient Yb doped fibre and glass-air waveguide for multi-point pump injection allows to reduce device length to less than 3m.

Year: 1999

Language: English

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4 Journal article

Low-noise optoelectronic photon number amplifier and quantum-optical tap

Goobar, E; Karlsson, A; Bjork, G; Nilsson, O

Optics Letters — 1993, Volume 18, Issue 24, pp. 2138

Year: 1993

Language: English

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5 Conference paper

Single clad coiled optical fibre for high power lasers and amplifiers

Nilsson, J.; Turner, P.W.; Renaud, C.C.; Clarkson, W.A.; Payne, D.N.

Technical Digest. Summaries of Papers Presented at the Conference on Lasers and Electro-optics. Postconference Edition. Cleo '99. Conference on Lasers and Electro-optics (ieee Cat. No.99ch37013) — 1999, pp. CPD26/1-CPD26/2

We demonstrate a new concept in development of high power fibre lasers based on single clad coiled fibres. Combination of a highly efficient Yb-doped fibre and glass-air waveguide for multi-point pump injection allows to reduce device length to less than 3 m.

Year: 1999

Language: English

More...
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6 Preprint article

Optimized modulation formats for suppression of stimulated Brillouin scattering in optical fiber amplifiers

Harish, A.V.; Nilsson, J.

for suppression of SBS while maintaining the laser power within a tolerable optical bandwidth. Previously, we have reported on the optimization of phase modulation for single-frequency laser to get nearly equal amplitude spectral components within the given optical bandwidth [2]. In Ref. [2] the spectral line

Year: 2017

Language: English

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7 Conference paper

Optimized modulation formats for suppression of stimulated Brillouin scattering in optical fiber amplifiers

Harish, A. V.; Nilsson, J.

2017 Conference on Lasers and Electro-optics Europe and European Quantum Electronics Conference (cleo/europe-eqec) — 2017, pp. 1-1

for suppression of SBS while maintaining the laser power within a tolerable optical bandwidth. Previously, we have reported on the optimization of phase modulation for single-frequency laser to get nearly equal amplitude spectral components within the given optical bandwidth [2]. In Ref. [2] the spectral line

Year: 2017

Language: English

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8 Journal article

Low-noise optoelectronic photon number amplifier and quantum-optical tap: erratum

Goobar, E; Karlsson, A; Björk, G; Nilsson, O

Optics Letters — 1994, Volume 19, Issue 12, pp. 922-4

Year: 1994

Language: English

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9 Preprint article

Pareto-optimized modulation formats for suppression of stimulated Brillouin scattering in optical fiber amplifiers

Panbiharwala, Y.; Harish, A.V.; Venkitesh, D.; Nilsson, J.; Srinivasan, B.

With the help of a robust model for stimulated Brillouin scattering (SBS) in Yb-doped fiber amplifiers, we Pareto-optimize phase modulation formats for suppressing SBS. We achieved 1.6 times enhancement in SBS threshold for 100MHz linewidth.

Year: 2019

Language: English

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10 Conference paper

High-performance optically amplified 1550-nm lightwave AM-VSB CATV transport system

Kuo, C.Y.; Piehler, D.; Gall, C.; Kleefeld, J.; Nilsson, A.; Middleton, L.

Optical Fiber Communications, Ofc — 1996, pp. 196,197

Summary form only given. In conclusion, we have implemented a high-performance optically amplified 1550-nm lightwave AM-VSB CATV system. The system performs well and is consistent with theoretical analysis for passive link. Chromatic dispersion and self-phase modulation account for the CNR, CSO

Year: 1996

Language: English

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