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High-speed DD transmission using a silicon receiver co-integrated with a 28-nm CMOS gain-tunable fully-differential TIA

High-speed DD transmission using a silicon receiver co-integrated with a 28-nm CMOS gain-tunable fully-differential TIA
High-speed DD transmission using a silicon receiver co-integrated with a 28-nm CMOS gain-tunable fully-differential TIA
We report >100-Gb/s direct-detection (DD) transmission using an integrated silicon optical receiver, which comprised a fully-differential 28-nm complementary metal-oxide-semiconductor (CMOS) transimpedance amplifier (TIA) wire-bonded to a Silicon-Germanium (SiGe) balanced photodiode (PD). The fully-differential TIA architecture enabled significant bit-error-rate (BER) and signal-to-noise ratio improvements over a single-output TIA design when introducing it to the DD transmission. We experimentally validated its effectiveness in both back-to-back (B2B) and 2-km long standard single-mode fibre (SSMF) links using 50/100-Gb/s signals, including Nyquist on-off keying (OOK), Nyquist 4-ary pulse amplitude modulation (PAM4), uniformly-loaded DD optical orthogonal frequency division multiplexing (DDO-OFDM) and adaptively-loaded DDO-OFDM. Furthermore, we demonstrate that the integrated optical receiver was capable of balancing the trade-off between its electrical bandwidth and transimpedance gain by simply adjusting a voltage supply to the TIA. Without the need for optical amplification and while keeping the BERs below the 7% forward error correction limit, up to 173.22-Gb/s and 139.86-Gb/s adaptively-loaded DDO-OFDM transmission was achieved for B2B and 2-km transmission, respectively. The demonstrated results highlight the potential of the integrated silicon optical receiver, fabricated using the standard CMOS process for high-speed and short-reach optical interconnects.
0733-8724
Hong, Yang
73d5144c-02db-4977-b517-0d2f5a052807
Li, Ke
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Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Liu, Shenghao
5b0ec29e-0ddb-4e08-950b-ba6adb1d01ed
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Meng, Fanfan
9b5e8c83-a510-4eb0-87ff-c768345ba07d
Ruan, Xiaoke
dcbafa18-f852-43f8-8fd9-5aa27a6eb327
Zhang, Fan
fe543ad9-71b0-4f8d-b9da-d95280e30802
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Hong, Yang
73d5144c-02db-4977-b517-0d2f5a052807
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Liu, Shenghao
5b0ec29e-0ddb-4e08-950b-ba6adb1d01ed
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Meng, Fanfan
9b5e8c83-a510-4eb0-87ff-c768345ba07d
Ruan, Xiaoke
dcbafa18-f852-43f8-8fd9-5aa27a6eb327
Zhang, Fan
fe543ad9-71b0-4f8d-b9da-d95280e30802
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7

Hong, Yang, Li, Ke, Lacava, Cosimo, Liu, Shenghao, Thomson, David, Meng, Fanfan, Ruan, Xiaoke, Zhang, Fan, Reed, Graham and Petropoulos, Periklis (2020) High-speed DD transmission using a silicon receiver co-integrated with a 28-nm CMOS gain-tunable fully-differential TIA. Journal of Lightwave Technology. (doi:10.1109/JLT.2020.3028221).

Record type: Article

Abstract

We report >100-Gb/s direct-detection (DD) transmission using an integrated silicon optical receiver, which comprised a fully-differential 28-nm complementary metal-oxide-semiconductor (CMOS) transimpedance amplifier (TIA) wire-bonded to a Silicon-Germanium (SiGe) balanced photodiode (PD). The fully-differential TIA architecture enabled significant bit-error-rate (BER) and signal-to-noise ratio improvements over a single-output TIA design when introducing it to the DD transmission. We experimentally validated its effectiveness in both back-to-back (B2B) and 2-km long standard single-mode fibre (SSMF) links using 50/100-Gb/s signals, including Nyquist on-off keying (OOK), Nyquist 4-ary pulse amplitude modulation (PAM4), uniformly-loaded DD optical orthogonal frequency division multiplexing (DDO-OFDM) and adaptively-loaded DDO-OFDM. Furthermore, we demonstrate that the integrated optical receiver was capable of balancing the trade-off between its electrical bandwidth and transimpedance gain by simply adjusting a voltage supply to the TIA. Without the need for optical amplification and while keeping the BERs below the 7% forward error correction limit, up to 173.22-Gb/s and 139.86-Gb/s adaptively-loaded DDO-OFDM transmission was achieved for B2B and 2-km transmission, respectively. The demonstrated results highlight the potential of the integrated silicon optical receiver, fabricated using the standard CMOS process for high-speed and short-reach optical interconnects.

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Accepted/In Press date: 28 September 2020
e-pub ahead of print date: 1 October 2020

Identifiers

Local EPrints ID: 444383
URI: http://eprints.soton.ac.uk/id/eprint/444383
ISSN: 0733-8724
PURE UUID: 0c3d94c2-1c6a-4bca-9a40-433186aa2851
ORCID for Cosimo Lacava: ORCID iD orcid.org/0000-0002-9950-8642
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034

Catalogue record

Date deposited: 16 Oct 2020 16:30
Last modified: 18 Feb 2021 17:24

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