[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Choudhary et al., 2001 - Google Patents

Influence of extinction ratio of clock modulator on dispersion tolerance of carrier suppressed return to zero signals

Choudhary et al., 2001

Document ID
4551408859802887254
Author
Choudhary S
Hoshida T
Publication year
Publication venue
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No. 01CH37242)

External Links

Snippet

We have demonstrated the dependence of dispersion tolerance on extinction ratio of the clock modulator in conventional CS-RZ modulators. We have also proposed a new configuration for CS-RZ modulator, which uses a notch filter to suppress the residual carrier …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/2525—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres
    • H04B10/25253—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres with dispersion management, i.e. using a combination of different kind of fibres in the transmission system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/25137—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using pulse shaping at the transmitter, e.g. pre-chirping or dispersion supported transmission [DST]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2543—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to fibre non-linearities, e.g. Kerr effect
    • H04B10/2557—Cross-phase modulation [XPM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/25133—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion including a lumped electrical or optical dispersion compensator ; optical dispersion compensators involving optical fibres per se G02B6/293
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/5167—Duo-binary; Alternative mark inversion; Phase shaped binary transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems

Similar Documents

Publication Publication Date Title
Ono et al. Characteristics of optical duobinary signals in terabit/s capacity, high-spectral efficiency WDM systems
Bergano et al. Wavelength division multiplexing in long-haul transmission systems
Vassilieva et al. Enabling technologies for fiber nonlinearity mitigation in high capacity transmission systems
US20070206898A1 (en) Optical equalization filtering of dwdm channels
US20060029398A1 (en) Transmission of optical signals of different modulation formats in discrete bands
Kai et al. 130-Gbps DMT transmission using silicon Mach-Zehnder modulator with chirp control at 1.55-μm
US7187868B2 (en) Wavelength division multiplexing optical transmission system using a spectral inversion device
EP2122865B1 (en) Method and apparatus for generating optical duobinary signals with enhanced receiver sensitivity and spectral efficiency
Vassilieva et al. Numerical comparison of NRZ, CS-RZ and IM-DPSK formats in 43 Gbit/s WDM transmission
Chraplyvy et al. Terabit/second transmission experiments
US20050201762A1 (en) Optical RZ-duobinary transmission system with narrow bandwidth optical filter
Jansen et al. 10,200 km 22× 2× 10Gbit/s RZ-DQPSK dense WDM transmission without inline dispersion compensation through optical phase conjugation
Choudhary et al. Influence of extinction ratio of clock modulator on dispersion tolerance of carrier suppressed return to zero signals
US20040208622A1 (en) Method and apparatus for signal conditioning of optical signals for fiber-optic transmission
US6775424B2 (en) Modulation and filtration of optical signals
US20140369694A1 (en) Dispersion dominated optical communications system and method of pre-dispersion
JPH09275375A (en) Optical communication equipment
Asif et al. Low-complexity logarithmic step-size-based filtered digital backward propagation algorithm for compensating fiber transmission impairments
Shabaan et al. Hybrid compensation of polarization-multiplexed QPSK optical format for high bit rate networks
Ghera et al. Performance enhancement of 3.84 Tbps DWDM long-haul system through mitigating the effect of fiber nonlinearities using optical filters and modulation formats
Xu et al. Quantitative experimental study of intra-channel nonlinear timing jitter in a 10 Gb/s terrestrial WDM return-to-zero system
Chen RZ-4PAM Optical Access Signals with Pre-chirping Technology
Atieh et al. EFFECT OF MULTIPLEXER/DEMULTIPLEXER BANDWIDTH ON UPGRADING CURRENT 10G TO 40G OPTICAL COMMUNICATION SYSTEMS
Ghera et al. Dispersion compensation analysis of 3.84 Tbps DWDM long-haul system using various modulation formats
Chen Application Research of CRZ-4PAM Optical Access Signals