Optical signal quality monitor using direct Q-factor measurement

Ohteru, Shoko; Takachio, N.

doi:10.1109/68.789726

Cited by 67 publications

(18 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Referring to binary signaling, the BER is calculated based on the probability of error for bit 0, (Pe 0 ), and the probability of error for bit 1, (Pe 1 ), as the following [26,27] P(ε) = Pe 0 + Pe 1 2…”

Section: Probability Of Errormentioning

confidence: 99%

70-Gb/s amplitude-shift-keyed system with 10-GHz clock recovery circuit using duty cycle division multiplexing

et al. 2009

View full text Add to dashboard Cite

The performance of ASK over DCDM for up to seven channels is reported. The aggregate bit rate of 70 Gb/s is achieved with only 160-GHz modulation bandwidth. The clock and data recovery are realized at 10-GHz clock rate, which is very economic and efficient. At 7 × 10 Gb/s, the worst receiver sensitivity of −10 dBm, OSNR of 41.5 dB and chromatic dispersion tolerance of ±17 ps/nm are achieved. Whereas, for the best channel, the receiver sensitivity, OSNR, and chromatic dispersion tolerance are −23.5 dBm, 29 dB, and ±36 ps/nm, respectively.

show abstract

Section: Probability Of Errormentioning

confidence: 99%

70-Gb/s amplitude-shift-keyed system with 10-GHz clock recovery circuit using duty cycle division multiplexing

et al. 2009

View full text Add to dashboard Cite

show abstract

“…The electrical signal is then amplified and sampled synchronously or asynchronously and by assuming Gaussian statistics, the data is processed to obtain an estimate for Q-factor and BER. Synchronous sampling [3][4][5][6] requires clock recovery and timing information which makes it relatively more complicated to implement. Asynchronous sampling [7][8][9][10] received more attention because it does not require timing and thus uses simpler electronic circuitry.…”

Section: Introductionmentioning

confidence: 99%

Analog post amplifier effect on signal sampling and monitoring systems

Belhadj-Yahya

2008

2008 15th IEEE International Conference on Electronics, Circuits and Systems

View full text Add to dashboard Cite

Synchronous and asynchronous sampling of analog signals have been established as important methods in performance monitoring of optical communication systems. The effect of analog front end amplifiers on the sampling method accuracy have been investigated using experimental measurements. The results show that post amplifiers, with automatic gain control, have a strong influence on the estimated signal quality measure (Q). When these amplifiers are operated in linear mode with optimized gain ranges the sampling method gave more accurate Q values.

show abstract

“…Q-factor has an one-to-one correspondence with BER [8] and can be treated as an intuitionistic and effective parameter for the performance assessment of signal transmission systems. So on-line measurement for Q-factor in OSC can provide a reliably evidence for the transmission quality of OA&M-signals in OTN.…”

Section: Introductionmentioning

confidence: 99%

Novel on-line supervisory technique for Q-factor in the optical supervisory channel of optical transport network

Tang¹,

Sun²,

Zhang³

et al. 2001

SPIE Proceedings

View full text Add to dashboard Cite

This paper introduces a novel hierarchical model of optical transport network (OTN) and discusses the functional architecture of optical supervisory channel (OSC) with a Q-factor on-line supervision module which can provide a reliable evidence for the transmission quality of operation, administration and maintenance (OA&M) signals in the OSC subsystem of OTN. The quality indication of OSC signals is transferred to the network management system (NMS).The principles of Q-factor detection by a numerical calculation method are presented, and also, an on-line supervisory scheme based on DSP and high-speed A/D chip techniques is set up. The results indicate that the tendency of the calculated Q values matches the actual BER, and it's feasible and accurate to implement Q-factor on-line supervision in OSC of OTN.

show abstract

Optical signal quality monitor using direct Q-factor measurement

Cited by 67 publications

References 4 publications

70-Gb/s amplitude-shift-keyed system with 10-GHz clock recovery circuit using duty cycle division multiplexing

70-Gb/s amplitude-shift-keyed system with 10-GHz clock recovery circuit using duty cycle division multiplexing

Analog post amplifier effect on signal sampling and monitoring systems

Novel on-line supervisory technique for Q-factor in the optical supervisory channel of optical transport network

Contact Info

Product

Resources

About