System experiments using 1.3 μm LEDs

Ogawa, K.; Chinnock, E. L.; Gloge, D.; Kaiser, P.; Nagel, S. R.; Jang, S. J.

doi:10.1049/el:19810051

Cited by 13 publications

(2 citation statements)

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“…As has been already calculated theoretically [1][2] and demonstrated experimentally [3] LED at 1.3μιη offer good possibilities for intra-city links, i.e. high bit-rate, short distance connections.…”

Section: Introductionmentioning

confidence: 69%

“…Curves are shown for both RZ and NRZ signals. ; C' 4-level system; D: 8-level system however, in this case the fiber bandwidth should be of the same order as the fiber used in the experiment and the calculations; in comparison to the published values given in [3] this fiber shows an extremely high bandwidth (-6 dB at 520 MHz for 4.545 km compared to 222 MHz for 7.5 km [3]). Values given at the curves are the optimum APD-multiplication factors.…”

Section: System Calculationsmentioning

confidence: 90%

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Transmission Experiments and System Calculations using 1.3 μm LED

Grothe¹,

Harth²,

Kersten³

et al. 1982

Journal of Optical Communications

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Transmission of 280 Mbit/s NRZ-signals over a 4.545 km long graded-index fiber has been realized using a high bandwidth, high radiance InGaAs/InP LED at 1.3μηι. Theoretical calculations are in very good agreement with the experimental result. It is shown theoretically, that 560 Mbit/s can be transmitted repeaterless over 4.3km; by introducing a multilevel intensity modulation system the repeater spacing is increased to 5.4km.

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Section: Introductionmentioning

confidence: 69%

Section: System Calculationsmentioning

confidence: 90%

Transmission Experiments and System Calculations using 1.3 μm LED

Grothe¹,

Harth²,

Kersten³

et al. 1982

Journal of Optical Communications

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Equalization of Multimode Optical Fiber Systems

Kasper¹

1982

Bell System Technical Journal

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Decision feedback equalization (dfe) may provide a simple way to dramatically increase the bit rate on multimode optical systems. Computer simulations of digital multimode systems with tapped delay‐line linear equalization and/or dfe are described. Results indicate that with relatively simple hardware it may be possible to increase by many times the usable bit rate on dispersion‐limited optical channels, with a power penalty less than that for multilevel transmission and without the latter's complexity. For example, one could double the bit rate of a two‐level system by paying an equalization power penalty of about 3 dB with dfe, whereas doubling the bit rate by going to four levels requires a penalty of 4.8 dB.

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Photodetectors and receivers — An update

Smith¹

1980

Topics in Applied Physics

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System experiments using 1.3 μm LEDs

Cited by 13 publications

References 1 publication

Transmission Experiments and System Calculations using 1.3 μm LED

Transmission Experiments and System Calculations using 1.3 μm LED

Equalization of Multimode Optical Fiber Systems

Photodetectors and receivers — An update

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