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

Zihan Geng; Deming Kong; Valery Rozental; Arthur James Lowery; Bill Corcoran

doi:10.1364/OE.27.024007

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

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

Electrical and Computer Systems Engineering

Research output: Contribution to journal › Article › Research › peer-review

9 Citations (Scopus)

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 language	English
Pages (from-to)	24007-24017
Number of pages	11
Journal	Optics Express
Volume	27
Issue number	17
DOIs	https://doi.org/10.1364/OE.27.024007
Publication status	Published - 19 Aug 2019

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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.",

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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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JO - Optics Express

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

Abstract

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