Multichannel VCSEL-based optical transceiver employing multicore fibers at 6x25 Gbps/fiber

Mikko Karppinen, Antti Tanskanen, Jyrki Ollila, Johan Gustavsson, Anders Larsson, Minsu Ko, Dietmar Kissinger, Lars Grüner-Nielsen, Rashid Safaisini, Anaëlle Maho, Michel Sotom, Leontios Stampoulidis

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Abstract

Multicore fiber enables a parallel optic data link in a single optical fiber. Thus, it is an attractive approach to increase the aggregate data throughput and the integration density of the interconnection. We developed and demonstrated mid-board optical transceiver modules employing novel multicore fiber pigtails and multicore-optimized optoelectronic engines. The silica fibers having 125 µm diameter and including six graded-index multimode cores enable multi-gigabit interconnects at very short distances. The fiber is compatible with the 850-nm VCSEL technology that has many advantages, such as, the very low power operation and the mature and cost-effective GaAs-based device technology. The transceiver incorporates transmitter and receiver subassemblies that are based on the multicore-optimized 850-nm VCSEL and photodiode array chips as well as on the co-designed multichannel VCSEL driver and TIA receiver ICs. All devices are operating up to 25 Gbps/channel and beyond, thus creating a 150 Gbps full-duplex link with the two 6-core fibers. The active areas on the 6-channel VCSEL and PD chips are arranged in a circular array layout that matches the cross-sectional layout of the fiber cores. This allows butt coupling to the fiber cores. The power consumption of the complete link is below 5 mW/Gbps. The transceiver was developed to be applicable for harsh environmental conditions, including space. Therefore, for instance, hermetic packaging was applied and both the active devices and the integration structure enable very wide operation temperature range of up to approx. 100 °C. This paper will present the technical approach including the basic building blocks and the transceiver module implementation. It will also present the results of the data link performance and some reliability testing.
Original languageEnglish
Title of host publicationOptical Interconnects XVIII
PublisherInternational Society for Optics and Photonics SPIE
DOIs
Publication statusPublished - 14 Mar 2018
MoE publication typeNot Eligible
EventOptical Interconnects XVIII 2018 - San Francisco, United States
Duration: 29 Jan 201831 Jan 2018

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume10538
ISSN (Print)0277-786X

Conference

ConferenceOptical Interconnects XVIII 2018
CountryUnited States
CitySan Francisco
Period29/01/1831/01/18

Fingerprint

Optical transceivers
Surface emitting lasers
Fibers
Transceivers
Photodiodes
Optoelectronic devices
Optical fibers
Transmitters
Optics
Packaging
Electric power utilization
Silica
Throughput
Engines
Testing

Cite this

Karppinen, M., Tanskanen, A., Ollila, J., Gustavsson, J., Larsson, A., Ko, M., ... Stampoulidis, L. (2018). Multichannel VCSEL-based optical transceiver employing multicore fibers at 6x25 Gbps/fiber. In Optical Interconnects XVIII [105380C] International Society for Optics and Photonics SPIE. Proceedings of SPIE, Vol.. 10538 https://doi.org/10.1117/12.2295678
Karppinen, Mikko ; Tanskanen, Antti ; Ollila, Jyrki ; Gustavsson, Johan ; Larsson, Anders ; Ko, Minsu ; Kissinger, Dietmar ; Grüner-Nielsen, Lars ; Safaisini, Rashid ; Maho, Anaëlle ; Sotom, Michel ; Stampoulidis, Leontios . / Multichannel VCSEL-based optical transceiver employing multicore fibers at 6x25 Gbps/fiber. Optical Interconnects XVIII. International Society for Optics and Photonics SPIE, 2018. (Proceedings of SPIE, Vol. 10538).
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Karppinen, M, Tanskanen, A, Ollila, J, Gustavsson, J, Larsson, A, Ko, M, Kissinger, D, Grüner-Nielsen, L, Safaisini, R, Maho, A, Sotom, M & Stampoulidis, L 2018, Multichannel VCSEL-based optical transceiver employing multicore fibers at 6x25 Gbps/fiber. in Optical Interconnects XVIII., 105380C, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 10538, Optical Interconnects XVIII 2018, San Francisco, United States, 29/01/18. https://doi.org/10.1117/12.2295678

Multichannel VCSEL-based optical transceiver employing multicore fibers at 6x25 Gbps/fiber. / Karppinen, Mikko; Tanskanen, Antti; Ollila, Jyrki; Gustavsson, Johan; Larsson, Anders; Ko, Minsu; Kissinger, Dietmar; Grüner-Nielsen, Lars; Safaisini, Rashid ; Maho, Anaëlle ; Sotom, Michel; Stampoulidis, Leontios .

Optical Interconnects XVIII. International Society for Optics and Photonics SPIE, 2018. 105380C (Proceedings of SPIE, Vol. 10538).

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

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AU - Karppinen, Mikko

AU - Tanskanen, Antti

AU - Ollila, Jyrki

AU - Gustavsson, Johan

AU - Larsson, Anders

AU - Ko, Minsu

AU - Kissinger, Dietmar

AU - Grüner-Nielsen, Lars

AU - Safaisini, Rashid

AU - Maho, Anaëlle

AU - Sotom, Michel

AU - Stampoulidis, Leontios

N1 - Abstract + presentation published

PY - 2018/3/14

Y1 - 2018/3/14

N2 - Multicore fiber enables a parallel optic data link in a single optical fiber. Thus, it is an attractive approach to increase the aggregate data throughput and the integration density of the interconnection. We developed and demonstrated mid-board optical transceiver modules employing novel multicore fiber pigtails and multicore-optimized optoelectronic engines. The silica fibers having 125 µm diameter and including six graded-index multimode cores enable multi-gigabit interconnects at very short distances. The fiber is compatible with the 850-nm VCSEL technology that has many advantages, such as, the very low power operation and the mature and cost-effective GaAs-based device technology. The transceiver incorporates transmitter and receiver subassemblies that are based on the multicore-optimized 850-nm VCSEL and photodiode array chips as well as on the co-designed multichannel VCSEL driver and TIA receiver ICs. All devices are operating up to 25 Gbps/channel and beyond, thus creating a 150 Gbps full-duplex link with the two 6-core fibers. The active areas on the 6-channel VCSEL and PD chips are arranged in a circular array layout that matches the cross-sectional layout of the fiber cores. This allows butt coupling to the fiber cores. The power consumption of the complete link is below 5 mW/Gbps. The transceiver was developed to be applicable for harsh environmental conditions, including space. Therefore, for instance, hermetic packaging was applied and both the active devices and the integration structure enable very wide operation temperature range of up to approx. 100 °C. This paper will present the technical approach including the basic building blocks and the transceiver module implementation. It will also present the results of the data link performance and some reliability testing.

AB - Multicore fiber enables a parallel optic data link in a single optical fiber. Thus, it is an attractive approach to increase the aggregate data throughput and the integration density of the interconnection. We developed and demonstrated mid-board optical transceiver modules employing novel multicore fiber pigtails and multicore-optimized optoelectronic engines. The silica fibers having 125 µm diameter and including six graded-index multimode cores enable multi-gigabit interconnects at very short distances. The fiber is compatible with the 850-nm VCSEL technology that has many advantages, such as, the very low power operation and the mature and cost-effective GaAs-based device technology. The transceiver incorporates transmitter and receiver subassemblies that are based on the multicore-optimized 850-nm VCSEL and photodiode array chips as well as on the co-designed multichannel VCSEL driver and TIA receiver ICs. All devices are operating up to 25 Gbps/channel and beyond, thus creating a 150 Gbps full-duplex link with the two 6-core fibers. The active areas on the 6-channel VCSEL and PD chips are arranged in a circular array layout that matches the cross-sectional layout of the fiber cores. This allows butt coupling to the fiber cores. The power consumption of the complete link is below 5 mW/Gbps. The transceiver was developed to be applicable for harsh environmental conditions, including space. Therefore, for instance, hermetic packaging was applied and both the active devices and the integration structure enable very wide operation temperature range of up to approx. 100 °C. This paper will present the technical approach including the basic building blocks and the transceiver module implementation. It will also present the results of the data link performance and some reliability testing.

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Karppinen M, Tanskanen A, Ollila J, Gustavsson J, Larsson A, Ko M et al. Multichannel VCSEL-based optical transceiver employing multicore fibers at 6x25 Gbps/fiber. In Optical Interconnects XVIII. International Society for Optics and Photonics SPIE. 2018. 105380C. (Proceedings of SPIE, Vol. 10538). https://doi.org/10.1117/12.2295678