100 km fiber span in 292 km, 2.38 Tb/s () WDM DQPSK polarization division multiplex transmission experiment without Raman amplification

Abas, Ahmad Fauzi; Hidayat, A.; Sandel, D.; Milivojevic, B.; Noé, R.

doi:10.1016/j.yofte.2006.05.001

Cited by 10 publications

(5 citation statements)

References 14 publications

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“…In this system the pulse width is 1.25 ps and ǫ R = 0.0048. Notice that WDM transmission at 160 Gbits/s per channel has received much attention in recent years both theoretically [51] and experimentally [52][53][54].…”

Section: A Effects Of Cross Phase Modulationmentioning

confidence: 99%

Deterministic Raman crosstalk effects in amplified wavelength division multiplexing transmission

Nguyen

Peleg

2010

Optics Communications

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We study the deterministic effects of Raman-induced crosstalk in amplified wavelength division multiplexing (WDM) optical fiber transmission lines. We show that the dynamics of pulse amplitudes in an N -channel transmission system is described by an N -dimensional predator-prey model.We find the equilibrium states with non-zero amplitudes and prove their stability by obtaining the Lyapunov function. The stability is independent of the exact details of the approximation for the Raman gain curve. Furthermore, we investigate the impact of cross phase modulation and Raman self and cross frequency shifts on the dynamics and establish the stability of the equilibrium state with respect to these perturbations. Our results provide a quantitative explanation for the robustness of differential-phase-shift-keyed WDM transmission against Raman crosstalk effects.

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Section: A Effects Of Cross Phase Modulationmentioning

confidence: 99%

Deterministic Raman crosstalk effects in amplified wavelength division multiplexing transmission

Nguyen

Peleg

2010

Optics Communications

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“…Elsewhere, using RZ-DQPSK, 5.12 Tb/s (64 × 85.4 Gb/s) with 50 GHz channel interval and 1.6 b/s/Hz SE was experimentally demonstrated . Combining DQPSK with PDM, quadruples WDM channel capacity (Ahmad Fauzi Abas, Hidayat, Sandel, Milivojevic, & Noe, 2007;Charlet et al, 2008;Pardo et al, 2008a;Savory, Gavioli, Killey, & Bayvel, 2007;Wree et al, 2003). With this configuration, Gnauck et al (Alan H. Gnauck et al, 2007;A.…”

Section: Introductionmentioning

confidence: 99%

Advanced Modulation Formats and Multiplexing Techniques for Optical Telecommunication Systems

Mahdiraji¹,

Abas²

2010

Trends in Telecommunications Technologies

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“…Polarization division multiplexing (PDM) [12,13], differential quadrature phase-shift keying (DQPSK) [14][15][16][17], and duobinary (DB) [18,19] are the techniques that can be used to increase the bit rate per WDM channel by requiring transmitter and receiver operate at channel baud rate or symbol bit rate. However, they are limited to support only two users per WDM channel.…”

Section: Introductionmentioning

confidence: 99%

40 Gbit/s on-off-keyed system with 5.71 GHz clock recovery circuit using duty cycle division multiplexing

et al. 2009

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Principle of 7 × 5.71 Gbit/s on-off-keyed (OOK) over duty cycle division multiplexing (DCDM) technique is presented. The 40 Gbit/s DCDM signals are then recovered with a receiver operates at 5.71 GHz clock using seven sampling circuits. With seven-user DCDM we show that spectral width of return-to-zero signal can be reduced around 42.8 %. The 40 Gbit/s OOK using DCDM required an optical signal-to-noise ratio of around 31.6 dB and tolerate around 50 ps/nm of chromatic dispersion. In addition, performance of the system is compared against other multiplexing techniques and modulation formats.

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100 km fiber span in 292 km, 2.38 Tb/s () WDM DQPSK polarization division multiplex transmission experiment without Raman amplification

Cited by 10 publications

References 14 publications

Deterministic Raman crosstalk effects in amplified wavelength division multiplexing transmission

Deterministic Raman crosstalk effects in amplified wavelength division multiplexing transmission

Advanced Modulation Formats and Multiplexing Techniques for Optical Telecommunication Systems

40 Gbit/s on-off-keyed system with 5.71 GHz clock recovery circuit using duty cycle division multiplexing

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