A Circuit-Level Implementation of Voltage-Tuning Scheme for Realizing Optical PAM-4 Using Three-Segment Microring Modulator

International Journal of Engineering and Technology Innovation

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Field Value
 
Title A Circuit-Level Implementation of Voltage-Tuning Scheme for Realizing Optical PAM-4 Using Three-Segment Microring Modulator
 
Creator Wang, Rui
 
Subject interconnect
optical transmitter
photonics IC
PAM-4 transmitters
 
Description Silicon Photonics, as one of the solutions to satisfy ever-increasing data bandwidth growth, becomes more challenging due to the latest technologies such as Internet of Things (IoT). Higher order pulse amplitude modulation (PAM) schemes is one of the answers to push towards higher data transmission in the presence of bandwidth limited optical devices. In this paper, we have implemented a circuit-level PAM-4 transmitter design based on the voltage-tuning scheme for realizing optical PAM-4 using a three-segment microring modulator. Simulation results based on the extracted layout using TSMC 65nm LP technology and IMEC-ePIXfab SiPhotonics ISIPP50G technology show that our proposed circuit-level transmitter structure is able to achieve PAM-4 data rate of 25-Gb/s with extinction ratio of 9dB and PAM-4 energy efficiency of 0.5pJ/bit. The results also verify that the scheme is able to achieve high tuning flexibility, but the proposed transmitter will consume more power as a result.
 
Publisher Taiwan Association of Engineering and Technology Innovation
 
Date 2020-04-01
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier http://ojs.imeti.org/index.php/IJETI/article/view/5072
10.46604/ijeti.2020.5072
 
Source International Journal of Engineering and Technology Innovation; Vol 10 No 2 (2020); 91-106
2226-809X
2223-5329
 
Language eng
 
Relation http://ojs.imeti.org/index.php/IJETI/article/view/5072/950
http://ojs.imeti.org/index.php/IJETI/article/view/5072/951
 
Rights Copyright (c) 2020 Rui Wang
http://creativecommons.org/licenses/by-nc/4.0
 

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