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BrowseConferences >OFC 2001. Optical Fiber Communication Conference and Exhibit. Technical Digest Postconference Edition (IEEE Cat. 01CH37171)
OFC 2001. Optical Fiber Communication Conference and Exhibit. Technical Digest Postconference Edition (IEEE Cat. 01CH37171)
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OFC 2001. Optical Fiber Communication Conference and Exhibit. Technical Digest Postconference Edition (IEEE Cat. 01CH37171)
Publication Year: 2001,Page:1
OFC 2001. Optical Fiber Communication Conference and Exhibit. Technical Digest Postconference Edition (IEEE Cat. 01CH37171)
Summary form only given, as follows. Raman fiber lasers and amplifiers will play an increasing role in future optical fiber communication systems. Recent progress in the development of special Raman fibers is described. We particularly focus on high /spl Delta/n germanosilicate and phosphosilicate fibers.Show More
Spectral broadening of double Rayleigh backscattering in a distributed Raman amplifier
Publication Year: 2001,Page(s):MA2 - MA2
Broadband discrete fiber Raman amplifier with high differential gain operating over 1.65 μm-band
T. Tsuzaki;M. Kakui;M. Hirano;M. Onishi;Y. Nakai;M. Nishimura
Publication Year: 2001,Page(s):MA3 - MA3
Impact of nonlinear pump interactions on broadband distributed Raman amplification
Publication Year: 2001,Page(s):MA4 - MA4
We have demonstrated a stable and tunable dual-wavelength Raman fiber laser which can be used as a pump source for hybrid type and gain controlled C- and L-band distributed Raman and lumped erbium doped fiber amplifier. A long period grating is used to suppress the gain competition between the two wavelength laser modes and prevent the high order Stokes oscillation. Intensity and wavelength tuning...Show More
Distributed amplification: how Raman gain impacts other fiber nonlinearities
A.F. Evans;J. Grochocinski;A. Rahman;C. Reynolds;M. Vasilyev
Publication Year: 2001,Page(s):MA7 - MA7
Cited by: Papers (5)
The gain and noise figure of distributed amplifiers can be integrated and lumped at the end of each fiber span. This paper investigates whether this convenient simplification is valid in the presence of fiber nonlinearities. Distributed Raman amplification affects other fiber nonlinearities by changing the evolution of signal power along the fiber. Depending on system parameters can impact on self...Show More
Ultra high-speed wavelength conversion and regeneration using semiconductor optical amplifiers
Publication Year: 2001,Page(s):MB1 - MB1
Cited by: Papers (5)
Techniques for all optical wavelength conversion and regeneration using semiconductor optical amplifiers are reviewed. In SOA based optical signal processing two (or more) signals are launched into the SOA where they interact due to the nonlinear properties of the active region in gain saturation, allowing the amplitude and phase of one optical signal to be controlled by another optical signal. De...Show More
40 GHz all-optical XOR with UNI gate
G. Theophilopoulos;K. Yiannopoulos;M. Kalyvas;C. Bintjas;G. Kalogerakis;H. Avramopoulos;L. Occhi;L. Schares;G. Guekos;S. Hansmann;R. Dall'Ara
Publication Year: 2001,Page(s):MB2 - MB2
Cited by: Papers (6)
40 GHz all-optical shift register with semiconductor optical amplifiers for switching and feedback
Publication Year: 2001,Page(s):MB3 - MB3
Cited by: Papers (1)
We report for the first time the operation of an all-optical digital processing circuit based entirely on semiconductor optical amplifiers (SOAs). SOAs are used both for the nonlinear element in an interferometer and for the feedback amplifier. A 40 GHz all-optical shift register with inverter is demonstrated in which the feedback amplifier is also a SOA. This is a key advance since it proves the ...Show More
Optimised 2R all-optical regenerator with low polarisation sensitivity penalty (<1 dB) for optical networking applications
J.-Y. Emery;M. Picq;F. Poingt;F. Gaborit;R. Brenot;M. Renaud;B. Lavigne;A. Dupas
Publication Year: 2001,Page(s):MB4 - MB4
Cited by: Papers (2)
Comparison of switching windows of an all-optical 160 Gbit/s demultiplexer with base data rates of 10 Gbit/s and 40 Gbit/s
G. Toptchiyski;S. Randel;K. Petermann;C. Schubert;J. Berger;H.G. Weber
Publication Year: 2001,Page(s):MB5 - MB5
Cited by: Papers (1)
A nonsymmetrical Mach-Zehnder interferometer for suppressing pattern effect in SOAs
Publication Year: 2001,Page(s):MB6 - MB6
Cited by: Papers (1)
Novel all-optical 10 Gbp/s RZ-to-NRZ conversion using SOA-loop-mirror
Publication Year: 2001,Page(s):MB7 - MB7
Cited by: Papers (3)
The authors propose and demonstrate a novel all-optical return-to-zero (RZ) to non-return-to-zero (NRZ) data format conversion using a semiconductor optical amplifier (SOA) loop mirror. Error free transmission up to 78 km for the NRZ format converted data at 10 Gb/s is achieved. Also, the proposed method shows better transmission performance than the conventional Mach-Zehnder modulation method.Show More
Fibre Bragg gratings with reduced/eliminated in-band dispersion are presented. When tested in add-drop configurations at 10 Gbit/s both 25 GHz and 50 GHz bandwidth gratings are shown to exhibit superior performance with no dispersion-induced penalties in the stopband. Furthermore, the demonstrated linear-phase Bragg gratings have >70% channel filling factor values and reflectivities in excess of 9...Show More
Large bandwidth, highly efficient mode coupling using long-period gratings in dispersion tailored fibers
Publication Year: 2001,Page(s):MC2 - MC2
Cited by: Papers (3)
We report the demonstration of strong (>20 dB) coupling in long-period fiber-gratings over bandwidths as large as 43 nm. These novel spectra are obtained by suitably tailoring the dispersion properties of a fiber. The polarization dependent coupling for the mode-converters varies by less than 0.004% over the entire spectrum.Show More
We present some coupling properties of spiral fiber gratings. LP/sub 01/ modes in spiral fiber gratings were demonstrated and analyzed to couple efficiently to both LP/sub 11/ even and odd modes. LP/sub 01/ modes were shown to efficiently couple to both LP/sub 11/ even and odd modes by spiral gratings as predicted. A spiral fiber grating that converts the LP/sub 01/ mode equally to LP/sub 11/ even...Show More
A widely tunable fiber Bragg grating with a wavelength tunability over 40 nm
S.Y. Set;B. Dabarsyah;C.S. Goh;K. Katoh;Y. Takushima;K. Kikuchi;Y. Okabe;N. Takeda
Publication Year: 2001,Page(s):MC4 - MC4
Tunable wavelength filter with a single-mode grating fiber thinned by plasma etching
H. Kumazaki;Y. Yamada;H. Nakamura;S. Inaba;T. Kasajima;K. Hane
Publication Year: 2001,Page(s):MC5 - MC5
Large second-harmonic generation in thermally poled silica waveguides
J. Arentoft;M. Kristensen;K. Pedersen;S.I. Bozhevolnyi;P. Shi
Publication Year: 2001,Page(s):MC6 - MC6
Cited by: Papers (1)
Summary form only given. Polarisation mode dispersion (PMD) is a major impairment for high-bit-rate optical systems. The objective of this course is threefold: (1) understand the physical phenomena of PMD, (2) review the current status of understanding of the impact of PMD on optical systems, and (3) PMD mitigation approaches. In this course we will introduce the concept of PMD and its various mat...Show More
Single to multi wavelength conversion using amplified spontaneous emission of semiconductor optical amplifier
Yunfeng Shen;Jun Hong Ng;Chao Lu;T.H. Cheng;M.K. Rao;Deming Liu
Publication Year: 2001,Page(s):ME1 - ME1
Cited by: Papers (2)
A high SNR, 150 ch supercontinuum CW optical source with precise 25 GHz spacing for 10 Gbit/s DWDM systems
E. Yamada;H. Takara;T. Ohara;K. Sato;T. Morioka;K. Jinguji;M. Itoh;M. Ishii
Publication Year: 2001,Page(s):ME2 - ME2
A 150 channel multi-wavelength CW optical source with precise 25 GHz spacing is successfully realized by longitudinal mode slicing of a supercontinuum spectrum. We confirm the generation of more than 150 CW channels ranging from 1530 to 1560 nm with SNRs over 28.2 dB and Q-factors over 20.8 dB which are sufficient for 10 Gbit/s multi-span DWDM transmission.Show More
From 40 to 80 10 Gbit/s DWDM transmission for ultra long-haul terrestrial transmission above 3000 km
J.F. Marcerou;F. Pitel;G. Vareille;O. Ait Sab;D. Lesterlin;J. Chesnoy
Publication Year: 2001,Page(s):ME3 - ME3
Cited by: Papers (5)
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