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Co-design of differential transimpedance amplifier and balanced photodetector for sub-pJ/bit silicon photonics receiver

Co-design of differential transimpedance amplifier and balanced photodetector for sub-pJ/bit silicon photonics receiver
Co-design of differential transimpedance amplifier and balanced photodetector for sub-pJ/bit silicon photonics receiver
This paper presents the design and implementation of a fully differential optical receiver, which is aimed for short reach intensity modulation and direct detection (IMDD) transceiver links. A Si-Ge balanced photodetector (PD) has been co-designed and packaged with a novel differential transimpedance amplifier (TIA). The TIA design is realized with a standard 28nm CMOS process and operates with a standard digital supply (1V). Without using any equalization or DSP techniques, the proposed receiver can operate up to 54Gb/s with a BER less than the KP4 limit (2.2×10-4) under an optical modulation amplitude (OMA) of -8.6dBm, while the power efficiency has been optimized to 0.55pJ/bit (0.98pJ/bit if output buffer is included).
transimpedance amplifier, photodetector, Silicon photonics
1094-4087
14038-14054
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Liu, Shenghao
5b0ec29e-0ddb-4e08-950b-ba6adb1d01ed
Ruan, Xiaoke
dcbafa18-f852-43f8-8fd9-5aa27a6eb327
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Hong, Yang
73d5144c-02db-4977-b517-0d2f5a052807
Yang, Fan
1fe422d5-52f3-4763-abfe-6a9b68464dd7
Zhang, Lei
dd16787e-7ab3-40a9-a546-19898c3abdb4
Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Meng, Fanfan
9b5e8c83-a510-4eb0-87ff-c768345ba07d
Zhang, Weiwei
1a783f97-c5ac-49e9-a5a0-49b8b2efab36
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Zhang, Fan
fe543ad9-71b0-4f8d-b9da-d95280e30802
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Liu, Shenghao
5b0ec29e-0ddb-4e08-950b-ba6adb1d01ed
Ruan, Xiaoke
dcbafa18-f852-43f8-8fd9-5aa27a6eb327
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Hong, Yang
73d5144c-02db-4977-b517-0d2f5a052807
Yang, Fan
1fe422d5-52f3-4763-abfe-6a9b68464dd7
Zhang, Lei
dd16787e-7ab3-40a9-a546-19898c3abdb4
Lacava, Cosimo
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Meng, Fanfan
9b5e8c83-a510-4eb0-87ff-c768345ba07d
Zhang, Weiwei
1a783f97-c5ac-49e9-a5a0-49b8b2efab36
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Zhang, Fan
fe543ad9-71b0-4f8d-b9da-d95280e30802
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139

Li, Ke, Liu, Shenghao, Ruan, Xiaoke, Thomson, David, Hong, Yang, Yang, Fan, Zhang, Lei, Lacava, Cosimo, Meng, Fanfan, Zhang, Weiwei, Petropoulos, Periklis, Zhang, Fan and Reed, Graham (2020) Co-design of differential transimpedance amplifier and balanced photodetector for sub-pJ/bit silicon photonics receiver. Optics Express, 28 (9), 14038-14054. (doi:10.1364/OE.389889).

Record type: Article

Abstract

This paper presents the design and implementation of a fully differential optical receiver, which is aimed for short reach intensity modulation and direct detection (IMDD) transceiver links. A Si-Ge balanced photodetector (PD) has been co-designed and packaged with a novel differential transimpedance amplifier (TIA). The TIA design is realized with a standard 28nm CMOS process and operates with a standard digital supply (1V). Without using any equalization or DSP techniques, the proposed receiver can operate up to 54Gb/s with a BER less than the KP4 limit (2.2×10-4) under an optical modulation amplitude (OMA) of -8.6dBm, while the power efficiency has been optimized to 0.55pJ/bit (0.98pJ/bit if output buffer is included).

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More information

Accepted/In Press date: 26 March 2020
e-pub ahead of print date: 26 March 2020
Published date: 27 April 2020
Keywords: transimpedance amplifier, photodetector, Silicon photonics

Identifiers

Local EPrints ID: 439443
URI: http://eprints.soton.ac.uk/id/eprint/439443
ISSN: 1094-4087
PURE UUID: 9552b35a-35d9-4218-bfb1-eef7976bc4b5
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: 23 Apr 2020 16:30
Last modified: 31 Jul 2020 01:41

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