Receiver Design for Multilevel Digital Optical Fiber Systems

Muoi, T. V.; Hullett, J.L.

doi:10.1109/tcom.1975.1092907

Cited by 16 publications

(8 citation statements)

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“…The results obtained by means of an example say, that P*. 1 ' may amount to one fifth of the average transmitter pulse power without impairing the system performance significantly. A further theoretical investigation allows the conclusion that systems operating with low-attenuation OWG's (less than l dB/km) should have low-loss splices and long-length OWG's in order to approach the maximum possible repeater spacing as closely as possible.…”

Section: Discussionmentioning

confidence: 97%

“…This has the advantage of being able to use practicerelated parameters even for the calculation of 2 < N-level systems (otherwise ε would have to be newly defined as a theoretical quantity). By substitution of (16) in (6) the length dependence of P c is introduced in the system calculation, which is of importance to the optimization of the repeater spacing 1 according to (1). This has been done for a 140-Mbit/s system at λ = 1.3 μιη for two different attenuation coefficients α = 0.5 dB/km and ct = 1.2 dB/km.…”

Section: Effect Of Constant Radiation Power and Splicesmentioning

confidence: 99%

“…It is well known that in digital optical waveguide transmission systems used for the transmission of equivalent bit rates at which the repeaterless distance is mainly limited by dispersion effects, the distances obtained by means of multi-level coding [1][2][3][4][5][6][7] are larger than those achieved with the binary modulation favoured up to now.…”

Section: Introductionmentioning

confidence: 99%

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The Effect of Splices and Equidistant Amplitude Level Spacings in Digital Multi-Level Optical Waveguide Transmissions Systems

Rocks¹

1981

Journal of Optical Communications

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With the presented calculation and optimization procedure for digital multi-level optical waveguide transmission systems it is possible to give answers to special problems such as the achievable repeater spacing, the necessary radiation energy per signal pulse, or the system sensitivity to the variation of different system parameters. In particular, we consider a problem which has not been discussed so far, namely the deterioration of the signal-to-noise ratio to be expected, if the equidistant level spacings well known from conventional transmission systems are retained. The result for a theoretically investigated 140 MBaud-system working at 1.3 μιη is that the deterioration increases with growing number of levels, but this tendency is dependent on the signal duration at the far end of the optical waveguide. Furthermore, the influence of splices on the achievable repeater spacing is calculated for the same system example.

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Section: Discussionmentioning

confidence: 97%

Section: Effect Of Constant Radiation Power and Splicesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Effect of Splices and Equidistant Amplitude Level Spacings in Digital Multi-Level Optical Waveguide Transmissions Systems

Rocks¹

1981

Journal of Optical Communications

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“…Expression (10) shows that the bit rate apparently does not influence the shot noise. However, a different normalisation also appears in the literature [7,8]. In this case the received pulses, h p 2 (t), are required to verify a different area-normalisation condition:…”

Section: Shot-noise Variancementioning

confidence: 99%

Pulse normalisation in optical receiver shot-noise performance

Santos¹,

Fraile-Peláez²

1999

IEE Proceedings - Optoelectronics

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The authors study the equivalence between two common normalisations used in the derivation of shot-noise in optical receivers. The role played by the bit rate in both approaches is discussed. They conclude that both appraches are formally equivalent, but one is conceptually preferrable. Furthermore, no absolute result can be given on the influence of bit rate on the receiver shot-noise performance. Any result is necessarily relative to the normalization used.

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“…The optiinuiii ciirreiit for the smallest transistor on the array to minirnite Iioke i5 0.2 mA. [2] ;Vormahzing Amplzfaer…”

Section: Preamplifiermentioning

confidence: 99%

Investigation of the use of analog design methods for the integration of a high frequency mixed analog digital fiber optic receiver

Sparkes

MacKenzie²

IEEE International Symposium on Circuits and Systems

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Receiver Design for Multilevel Digital Optical Fiber Systems

Cited by 16 publications

References 0 publications

The Effect of Splices and Equidistant Amplitude Level Spacings in Digital Multi-Level Optical Waveguide Transmissions Systems

The Effect of Splices and Equidistant Amplitude Level Spacings in Digital Multi-Level Optical Waveguide Transmissions Systems

Pulse normalisation in optical receiver shot-noise performance

Investigation of the use of analog design methods for the integration of a high frequency mixed analog digital fiber optic receiver

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