DSP techniques for optical transceivers

Azadet, K.; Haratsch, Erich F.; Kim, H.; Saibi, Fadi; Saunders, Jeffrey H.; Shaffer, M.; Li, Song; Yu, Meng-Lin

doi:10.1109/cicc.2001.929775

Cited by 3 publications

(2 citation statements)

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“…Initially no a priori knowledge is given and the LLRs are therefore initialized to 0 [since ]. However, through iterative decoding and LLR updates, [ ] will hopefully approach either [0, 1] or [1,0]. The number of iterations required is usually fairly small, around 4 to 6 [23], [24].…”

Section: Future Fec 1) Higher Performance Codesmentioning

confidence: 99%

“…T HE EXTREMELY rapid scaling of speed and bandwidth in optical networks over the past few years-close to a factor of two every nine months-has created a major challenge for electronic circuits used at the interface of the optical physical layer links [1]. For integrated circuits, Moore's law predicts the same factor of two scaling in 18 months.…”

Section: Introductionmentioning

confidence: 99%

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Equalization and FEC techniques for optical transceivers

Azadet¹,

Haratsch²,

Kim³

et al. 2002

IEEE J. Solid-State Circuits

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107

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Abstract-In this tutorial paper, we present the application of well-known DSP techniques used in lower speed wireline and wireless applications, to high-speed optical communications. After an introduction on today's optical network architecture and typical optical channel impairments, we study techniques such as fiber equalization, maximum likelihood detection, and current and next generations Forward Error Correction (FEC), with special emphasis on VLSI implementation.

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Section: Future Fec 1) Higher Performance Codesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%