Optical sampling to enhance Nyquist-shaped signal detection under limited receiver bandwidth

Zihan Geng, Deming Kong, Valery Rozental, Arthur James Lowery, Bill Corcoran*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Insufficient receiver bandwidth destroys the orthogonality of Nyquist-shaped pulses, generating inter-symbol interference (ISI). We propose using an optical pre-sampler to alleviate the requirement on the receiver bandwidth through pulse re-shaping. Experiments and simulations using an optically shaped 40-Gbaud Nyquist-shaped on-off-keying signal (N-OOK) show receiver sensitivity improvements of 4- and 7.1-dB under 18- and 11-GHz receiver electrical bandwidths, respectively.

Original languageEnglish
JournalOptics Express
Volume27
Issue number17
Pages (from-to)24007-24017
ISSN1094-4087
DOIs
Publication statusPublished - 19 Aug 2019

Cite this

Geng, Zihan ; Kong, Deming ; Rozental, Valery ; Lowery, Arthur James ; Corcoran, Bill. / Optical sampling to enhance Nyquist-shaped signal detection under limited receiver bandwidth. In: Optics Express. 2019 ; Vol. 27, No. 17. pp. 24007-24017.
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Optical sampling to enhance Nyquist-shaped signal detection under limited receiver bandwidth. / Geng, Zihan; Kong, Deming; Rozental, Valery; Lowery, Arthur James; Corcoran, Bill.

In: Optics Express, Vol. 27, No. 17, 19.08.2019, p. 24007-24017.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - Optical sampling to enhance Nyquist-shaped signal detection under limited receiver bandwidth

AU - Geng, Zihan

AU - Kong, Deming

AU - Rozental, Valery

AU - Lowery, Arthur James

AU - Corcoran, Bill

PY - 2019/8/19

Y1 - 2019/8/19

N2 - Insufficient receiver bandwidth destroys the orthogonality of Nyquist-shaped pulses, generating inter-symbol interference (ISI). We propose using an optical pre-sampler to alleviate the requirement on the receiver bandwidth through pulse re-shaping. Experiments and simulations using an optically shaped 40-Gbaud Nyquist-shaped on-off-keying signal (N-OOK) show receiver sensitivity improvements of 4- and 7.1-dB under 18- and 11-GHz receiver electrical bandwidths, respectively.

AB - Insufficient receiver bandwidth destroys the orthogonality of Nyquist-shaped pulses, generating inter-symbol interference (ISI). We propose using an optical pre-sampler to alleviate the requirement on the receiver bandwidth through pulse re-shaping. Experiments and simulations using an optically shaped 40-Gbaud Nyquist-shaped on-off-keying signal (N-OOK) show receiver sensitivity improvements of 4- and 7.1-dB under 18- and 11-GHz receiver electrical bandwidths, respectively.

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DO - 10.1364/OE.27.024007

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JO - Optics Express

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