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Experimental comparison of direct detection Nyquist SSB transmission based on silicon dual-drive and IQ Mach-Zehnder modulators with electrical packaging

Experimental comparison of direct detection Nyquist SSB transmission based on silicon dual-drive and IQ Mach-Zehnder modulators with electrical packaging
Experimental comparison of direct detection Nyquist SSB transmission based on silicon dual-drive and IQ Mach-Zehnder modulators with electrical packaging
We have designed and fabricated a silicon photonic in-phase-quadrature (IQ) modulator based on a nested dual-drive Mach-Zehnder structure incorporating electrical packaging. We have assessed its use for generating Nyquist-shaped single sideband (SSB) signals by operating it either as an IQ Mach-Zehnder modulator (IQ-MZM) or using just a single branch of the dual-drive Mach-Zehnder modulator (DD-MZM). The impact of electrical packaging on the modulator bandwidth is also analyzed. We demonstrate 40 Gb/s (10Gbaud) 16-ary quadrature amplitude modulation (16-QAM) Nyquist-shaped SSB transmission over 160 km standard single mode fiber (SSMF). Without using any chromatic dispersion compensation, the bit error rates (BERs) of 5.4×10-4 and 9.0×10-5 were measured for the DD-MZM and IQ-MZM, respectively, far below the 7% hard-decision forward error correction threshold. The performance difference between IQ-MZM and DD-MZM is most likely due to the non-ideal electrical packaging. Our work is the first experimental comparison between silicon IQ-MZM and silicon DD-MZM in generating SSB signals. We also demonstrate 50 Gb/s (12.5Gbaud) 16-QAM Nyquist-shaped SSB transmission over 320 km SSMF with a BER of 2.7×10-3. Both the silicon IQ-MZM and the DD-MZM show potential for optical transmission at metro scale and for data center interconnection.
1094-4087
19332-19342
Ruan, Xiaoke
dcbafa18-f852-43f8-8fd9-5aa27a6eb327
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Thomson, David J.
17c1626c-2422-42c6-98e0-586ae220bcda
Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Meng, Fanfan
3c45926e-5e27-4c33-8601-ccf624b240c2
Demirtzioglou, Iosif
5f46eb43-a2cd-4c87-94e0-f100e43f9431
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Zhu, Yixiao
938bb542-3de3-4c5c-a432-16741f356ad8
Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139
Zhang, Fan
fe543ad9-71b0-4f8d-b9da-d95280e30802
Ruan, Xiaoke
dcbafa18-f852-43f8-8fd9-5aa27a6eb327
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Thomson, David J.
17c1626c-2422-42c6-98e0-586ae220bcda
Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Meng, Fanfan
3c45926e-5e27-4c33-8601-ccf624b240c2
Demirtzioglou, Iosif
5f46eb43-a2cd-4c87-94e0-f100e43f9431
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Zhu, Yixiao
938bb542-3de3-4c5c-a432-16741f356ad8
Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139
Zhang, Fan
fe543ad9-71b0-4f8d-b9da-d95280e30802

Ruan, Xiaoke, Li, Ke, Thomson, David J., Lacava, Cosimo, Meng, Fanfan, Demirtzioglou, Iosif, Petropoulos, Periklis, Zhu, Yixiao, Reed, Graham T. and Zhang, Fan (2017) Experimental comparison of direct detection Nyquist SSB transmission based on silicon dual-drive and IQ Mach-Zehnder modulators with electrical packaging. Optics Express, 25 (6), 19332-19342. (doi:10.1364/OE.25.019332).

Record type: Article

Abstract

We have designed and fabricated a silicon photonic in-phase-quadrature (IQ) modulator based on a nested dual-drive Mach-Zehnder structure incorporating electrical packaging. We have assessed its use for generating Nyquist-shaped single sideband (SSB) signals by operating it either as an IQ Mach-Zehnder modulator (IQ-MZM) or using just a single branch of the dual-drive Mach-Zehnder modulator (DD-MZM). The impact of electrical packaging on the modulator bandwidth is also analyzed. We demonstrate 40 Gb/s (10Gbaud) 16-ary quadrature amplitude modulation (16-QAM) Nyquist-shaped SSB transmission over 160 km standard single mode fiber (SSMF). Without using any chromatic dispersion compensation, the bit error rates (BERs) of 5.4×10-4 and 9.0×10-5 were measured for the DD-MZM and IQ-MZM, respectively, far below the 7% hard-decision forward error correction threshold. The performance difference between IQ-MZM and DD-MZM is most likely due to the non-ideal electrical packaging. Our work is the first experimental comparison between silicon IQ-MZM and silicon DD-MZM in generating SSB signals. We also demonstrate 50 Gb/s (12.5Gbaud) 16-QAM Nyquist-shaped SSB transmission over 320 km SSMF with a BER of 2.7×10-3. Both the silicon IQ-MZM and the DD-MZM show potential for optical transmission at metro scale and for data center interconnection.

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Accepted/In Press date: 26 July 2017
e-pub ahead of print date: 1 August 2017
Published date: 7 August 2017

Identifiers

Local EPrints ID: 413004
URI: https://eprints.soton.ac.uk/id/eprint/413004
ISSN: 1094-4087
PURE UUID: 4a7e39f4-776f-4c82-9721-e12f35d2d30b
ORCID for Cosimo Lacava: ORCID iD orcid.org/0000-0002-9950-8642
ORCID for Iosif Demirtzioglou: ORCID iD orcid.org/0000-0003-3048-1768
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034

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Date deposited: 10 Aug 2017 16:31
Last modified: 03 Dec 2019 01:57

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Contributors

Author: Xiaoke Ruan
Author: Ke Li
Author: Cosimo Lacava ORCID iD
Author: Fanfan Meng
Author: Yixiao Zhu
Author: Graham T. Reed
Author: Fan Zhang

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