OpticsInfoBase

Ultra low PMD fibers by fiber spinning

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FA1
• Technical Digest (CD)
• Li, Ming-Jun; Chen, Xin; Nolan, Daniel A
• This paper reviews fiber spinning technology for making low PMD fibers. Theoretical understanding of fiber spinning mechanism and features of spun fibers, as well as applications in...

Experimental measurements of spin period in randomly-birefringent spun fibers

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FA2
• Technical Digest (CD)
• Galtarossa, Andrea; Palmieri, Luca; Sarchi, Davide
• We present a POTDR-based technique to measure the spin period of randomly birefringent spun fibers. Experimental results are in excellent agreement with the nominal spin periods of ad...

Simple criterion of quality to evaluate DCM impact on WDM system performance

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FA3
• Technical Digest (CD)
• Sillard, Pierre; Dany, Bruno; Bertaina, Alain; Curinckx, Laurent; Bastide, Christian; Courtois, Olivier; Antona, Jean-Christophe; Bigo, Sebastien
• We propose a simple criterion of quality for DCMs that takes into account both added-loss impact and non-linear induced impairments in transmission systems. Optimization of...

Polarization sensitivity of 40 Gb/s transmission over short-reach 62.5 µm multimode fiber using single-mode transceivers

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FA4
• Technical Digest (CD)
• Yam, Scott S; An, Fu-Tai; Marhic, Michel E; Kazovsky, Leonid G
• System performance of 40 Gb/s transmission over short-reach, commercial-grade 62.5μm multimode fiber using readily available single-mode transceivers is highly sensitive to launch...

Impact of SRS-induced crosstalk for different modulation formats in WDM systems

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FA5
• Technical Digest (CD)
• Schoellmann, Stefan; Leibrich, Jochen; Wree, Christoph; Rosenkranz, Werner
• In this paper we investigate the impact of GVD on SRS crosstalk for amplitude and phase shift keyed modulation formats considering RZ and NRZ pulse shaping.

Measurement of differential group delay in a recirculating loop

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FA6
• Technical Digest (CD)
• Xu, Hai; Jiao, Hua; Yan, Li; Carter, Gary M
• We show for the first time the measurement of DGD in a recirculating loop for specific fiber realizations. With this capability we measure DGD distribution in the loop with and without...

160 Gb/s OTDM wavelength conversion using XPM in dispersion shifted fiber

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FA7
• Technical Digest (CD)
• Rau, Lavanya; Wang, Wei; Poulsen, Henrik; Blumenthal, Daniel
• Wavelength Conversion of 160 Gb/s OTDM data using cross-phase modulation in 500m of dispersion-shifted fiber is demonstrated for the first time.

Impact of spectral hole burning in multi-channel amplification of EDFA

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FB1
• Technical Digest (CD)
• Nishihara, Masato; Sugaya, Yasushi; Ishikawa, Etsuko
• We achieve the modeling of the signal allocation dependent gain variation in WDM EDFA, introducing spectral hole burning effect. New model describing the positive and negative gain...

Structural detuning of pump absorption rate in doped fiber for the enhancement of power conversion efficiency

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FB2
• Technical Digest (CD)
• Lee, Hansuek; Lee, Choong Hee; Choi, Wonsub; Park, Namkyoo
• We propose novel doped-fiber structures to control pump absorption / evolutions inside fiber for the better efficiency of L-band EDFA, while suppressing detrimental backward-ASE....

S-band optical amplification employing silica-based phosphorous/alumina-codoped EDF

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FB3
• Technical Digest (CD)
• Kakui, Motoki; Takagi, Masahiro; Endo, S; Ishikawa, Shinji; Shigematsu, Masayuki
• Employing silica-based P/Al-codoped EDF, the gain enhancement of 9dB compared to Al-codoped EDF has been achieved over the wavelength range from 1491 to 1502nm in the four-stage...

A short fibre amplifier based on Er3+ doped tellurite glass

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FB4
• Technical Digest (CD)
• Shen, Shaoxiong; Huang, Lihui; Joshi, Purushottam; Jha, Animesh
• The gain characteristics in Er3+ and Er3+/Ce3+ codoped tellurite fibres using 976 nm pump have been investigated. Gain at 1.53 μm increased from 16 dB to 31 dB in a 12 cm long fibre.

Potential of nanoparticle technologies for next generation erbium-doped fibers

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FB5
• Technical Digest (CD)
• Tammela, Simo; Hotoleanu, M; Janka, K; Kiiveri, P; Rajala, M; Salomaa, A; Valkonen, H; Stenius, P
• Nanoparticle technologies improve the doping processes. This results superior uniformity, higher erbium concentration and better control of refractive index profile. The nanoparticle...

EDFA-based coupled opto-electronic oscillator and its phase noise

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FB6
• Technical Digest (CD)
• Salik, Ertan; Yu, Nan; Tu, Meirong; Maleki, Lute
• EDFA-based coupled opto-electronic oscillator (COEO), an integrated optical and microwave oscillator that can generate picosecond optical pulses, is presented. The phase noise...

Fourier-transform spectrometer based on a tilted superstructure fiber grating

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FC1
• Technical Digest (CD)
• Wielandy, Stephan; Dunn, Steven C
• We demonstrate a novel spectrometer that operates by measuring the near-field interference pattern produced by a tilted superstructure fiber grating. Grating design parameters allow...

Impulse response compression for vector characterization of highly dispersive devices

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FC2
• Technical Digest (CD)
• Moore, Eric D; Froggatt, Mark; Fan, Xudong; Wang, Ding; Matthews, Michael R
• The technique of impulse response compression is described, which allows coherent interferometric Jones matrix measurements of highly dispersive devices. The compressed impulse...

Simplified inverse Fourier transform technique to determine second-order optical nonlinearity profiles using a reference sample

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FC3
• Technical Digest (CD)
• Ozcan, Aydogan; Digonnet, Michel J F; Kino, Gordon S
• A new technique to uniquely determine the nonlinearity profile of nonlinear thin films using a known reference sample is demonstrated. This method is simpler, faster, and...

Multiplexing of temperature-compensated FBG magnetostrictive sensors with a self-seeded laser diode

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FC4
• Technical Digest (CD)
• Liu, Yunqi; Chiang, Kin Seng; Chu, Pak Lim
• We present a technique for the multiplexing of temperature-compensated FBG magnetostrictive sensors. Interrogation of sensors is achieved by changing the driving RF frequency of a...

In-fiber Bragg gratings for sensor applications at high temperatures

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FC5
• Technical Digest (CD)
• Butov, O V; Golant, K M; Chamorovskii, Yu K; Kolosovskii, A A; Isaev, V A; Voloshin, V V; Vorob'ev, I L; Gousev, Ya V; Sokolov, I V
• Bragg gratings were written in metal-coated nitrogen-doped silica core fibers. The gratings remain functioning at temperatures up to 900 º C long-term and can be used as sensing...

Generation of optical pulse train by repetition rate multiplication with cascaded long-period fiber gratings

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FC6
• Technical Digest (CD)
• Eom, Tae-Jung; Kim, Sun-Jong; Park, Chang-Soo; Lee, Byeong Ha
• Cscaded long-period fiber gratings are used to achieve multiplications of the repetition rate of pulse trains. The generated pulse trains have 2×, 4×, and 8× multiplications, and the...

Retiming of short optical pulses using linear pulse reshaping and all-optical switching

• Abstract
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• Optical Fiber Communication Conference (OFC) 2004 paper: FC7
• Technical Digest (CD)
• Parmigiani, Francesca; Petropoulos, P; Ibsen, M; Thomsen, B C; Richardson, D J
• An all-optical, all-fiberized technique for the elimination of timing jitter in short pulse transmission systems is experimentally demonstrated. The technique is based on pulse shaping...