128 Gbit/s的AXEL操作，能量效率为1.5 pJ/bit，用于光互连

IF 0.6 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEICE Transactions on Electronics Pub Date : 2023-01-01 DOI:10.1587/transele.2022oci0002

W. Kobayashi, S. Kanazawa, T. Shindo, M. Mitsuhara, F. Nakajima

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引用次数: 0

摘要

我们评估了光光源在InP衬底上每1位传输的能量效率，以实现光互连。采用半导体光放大器(SOA)辅助的扩展距离EADFB激光器(AXEL)作为光光源，与传统的电吸收调制器集成DFB激光器(EML)相比，提高了光能效率。AXEL具有超过100 Gbit/s的频率带宽可扩展性，这在使用没有均衡器的垂直腔面发射激光器(VCSEL)时是困难的。通过设计低功耗AXEL，我们能够在50°C下实现64 gbit /s, 1.0 pJ/bit和128 gbit /s, 1.5 pJ/bit的工作，发射机色散和眼闭四分之一为1.1 dB。

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128 Gbit/s operation of AXEL with energy efficiency of 1.5 pJ/bit for optical interconnection

SUMMARY We evaluated the energy efficiency per 1-bit transmission of an optical light source on InP substrate to achieve optical interconnection. A semiconductor optical amplifier (SOA) assisted extended reach EADFB laser (AXEL) was utilized as the optical light source to enhance the energy efficiency compared to the conventional electro-absorption modulator integrated with a DFB laser (EML). The AXEL has frequency bandwidth extendibility for operation of over 100 Gbit/s, which is difficult when using a vertical cavity surface emitting laser (VCSEL) without an equalizer. By designing the AXEL for low power consumption, we were able to achieve 64-Gbit/s, 1.0 pJ/bit and 128-Gbit/s, 1.5 pJ/bit operation at 50 °C with the transmitter dispersion and eye closure quaternary of 1.1 dB.

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来源期刊

IEICE Transactions on Electronics 工程技术-工程：电子与电气

CiteScore

1.00

自引率

20.00%

发文量

审稿时长

3-6 weeks

期刊介绍： Currently, the IEICE has ten sections nationwide. Each section operates under the leadership of a section chief, four section secretaries and about 20 section councilors. Sections host lecture meetings, seminars and industrial tours, and carry out other activities. Topics: Integrated Circuits, Semiconductor Materials and Devices, Quantum Electronics, Opto-Electronics, Superconductive Electronics, Electronic Displays, Microwave and Millimeter Wave Technologies, Vacuum and Beam Technologies, Recording and Memory Technologies, Electromagnetic Theory.