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A 40-Gb/s 4-Vpp differential modulator driver in 90 nm CMOS

A 40-Gb/s 4-Vpp differential modulator driver in 90 nm CMOS
A 40-Gb/s 4-Vpp differential modulator driver in 90 nm CMOS
In this letter, a 40-Gb/s optical modulator driver in 90-nm CMOS technology is presented. The design is based on the distributed amplifier (DA) topology with the proposed modified cascode stage to obtain high gain and large bandwidth, while also capable of protecting the MOS transistor under large output voltage swing. The modified cascode stage DA with enhanced high-voltage driving capability can reach an operating data rate up to 40 Gb/s with an differential output voltage swing of 4 Vpp (~3-V eye amplitude), which can be used for driving 50- Ω silicon modulators.
1531-1309
73-75
Li, Yan-Feng
d5f44cc5-c60c-4fa1-b6c4-aedd0f5afb8e
Chiu, Po-Wei
56f63fc6-8f2e-4812-ae70-668c3a2d7d94
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Hsu, Shawn S.H.
fd3d085e-4846-45bd-9701-06159968634e
Li, Yan-Feng
d5f44cc5-c60c-4fa1-b6c4-aedd0f5afb8e
Chiu, Po-Wei
56f63fc6-8f2e-4812-ae70-668c3a2d7d94
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Hsu, Shawn S.H.
fd3d085e-4846-45bd-9701-06159968634e

Li, Yan-Feng, Chiu, Po-Wei, Li, Ke, Thomson, David, Reed, Graham and Hsu, Shawn S.H. (2018) A 40-Gb/s 4-Vpp differential modulator driver in 90 nm CMOS. IEEE Microwave and Wireless Components Letters, 28 (1), 73-75. (doi:10.1109/LMWC.2017.2773041).

Record type: Article

Abstract

In this letter, a 40-Gb/s optical modulator driver in 90-nm CMOS technology is presented. The design is based on the distributed amplifier (DA) topology with the proposed modified cascode stage to obtain high gain and large bandwidth, while also capable of protecting the MOS transistor under large output voltage swing. The modified cascode stage DA with enhanced high-voltage driving capability can reach an operating data rate up to 40 Gb/s with an differential output voltage swing of 4 Vpp (~3-V eye amplitude), which can be used for driving 50- Ω silicon modulators.

Text A 40-Gb/s 4-Vpp Differential Modulator Driver - Accepted Manuscript
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More information

Accepted/In Press date: 8 November 2017
e-pub ahead of print date: 4 December 2017
Published date: January 2018

Identifiers

Local EPrints ID: 417021
URI: https://eprints.soton.ac.uk/id/eprint/417021
ISSN: 1531-1309
PURE UUID: c7fc7dab-a8f0-431b-a215-2488b9c4f5eb

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Date deposited: 17 Jan 2018 17:30
Last modified: 10 Mar 2018 17:30

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