Proposal for a Highly Reliable In-Vehicle Optical Network: SiPhON (Si-Photonics-Based In-Vehicle Optical Network)

Tsuda, Hitoshi; Kubo, Ryogo; Furuya, Tatsuo; Iwase, Masayuki; Morimoto, M.; Kondo, Hisashi; Amamiya, Y.; Nakano, Yoshiaki; Tanemura, Takuo; Murata, Masayuki; Arakawa, Shin’ichi; Yamamoto, Naokatsu; Matsumoto, Atsushi; Takahashi, Ryōsuke

doi:10.23919/oecc/psc53152.2022.9849883

Cited by 6 publications

(4 citation statements)

References 1 publication

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“…It can be reduced using more sophisticated technology, but this is expensive and complicated. We plan to apply this technique to SiPhON [25,26,27,28], where five or more optical nodes are connected in a ring network. In SiPhON, each node sends packets on average less than one in five times (m = 4).…”

Section: Methodsmentioning

confidence: 99%

“…Furthermore, some communication systems have adopted optical packet signals such as the PON (passive optical network) [16,17,18,19], and various research and development projects have been implemented in these, including optical packet transmitters and receivers for burst mode [20,21], longer distance [22] and dual rate [23] transmission systems and collision avoidance technology [24]. In addition, we recently proposed an optical packet-based in-vehicle network, which we call SiPhON (Silicon Photonics-based in-vehicle Optical Network) [25,26,27,28], to realize highly automated driving, in which 10/25-Gbps optical packets are transmitted between optical nodes in a car.…”

Section: Introductionmentioning

confidence: 99%

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Broadband optical packet generation by multiplexing signals using a bias tee

Furuya

Tsuda

2023

IEICE Electron. Express

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This paper presents a broadband optical packet generation method by multiplexing low-and high-frequency signals using a bias tee. The cut-off frequency of the bias tee, f c is optimized in terms of the eyeopening ratio for optical packet trains with different guard times and intervals. As a result, the optimal condition is observed to be f GT < f c < f 1 , and f c should be closer to f GT . (where f GT is the guard frequency and f 1 is the high-pass cut-off frequency of a low-frequency amplifier). We implemented optical packet generation using a bias tee based on the simulation results and confirmed the effectiveness of this method.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Broadband optical packet generation by multiplexing signals using a bias tee

Furuya

Tsuda

2023

IEICE Electron. Express

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“…1(a)) and is similar to the Token ring network [13]. The SiPhON has a broadband characteristic with a lowlatency transmission [14], [15]. In the SiPhON, each ECU composes a link topology containing unidirectional fibers.…”

Section: Introductionmentioning

confidence: 99%

10Gb/s burst-mode driver circuit with on-chip bias switch for in-Vehicle optical networks

Ito

Takahashi

Nakamura

et al. 2023

IEICE Electron. Express

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The recent progress of in-vehicle communication networks has been highlighted by the intensive investigation of optical packet communication systems using a modulation and detection device. This paper proposes a burst-mode driver circuit with an on-chip bias switch to achieve a stable and quick response in bias switching operation. The proposed circuit comprises a driver core and two types of bias circuits. Moreover, the proposed circuit changes output bias voltages using a MOS transistor as a switch. To verify the operating principle, we design the proposed circuit using a high-voltage tolerant 65-nm CMOS technology and obtain the post-layout simulations and measurement results. As a result, we achieve quick bias switching operation with 90% faster response time than the conventional one.

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“…A ring like daisy chain network using optical transceivers was proposed in the OMEGA study, however, the life of the vertical surface emitting laser (VCSEL) will be dramatically shortened at higher temperatures even with improvements such as a quantum dot active layer. In this paper, we propose a Si-photonics-based invehicle optical network (SiPhON) designed to provide highly reliable broadband communication in the car [1,2,3]. Only the master has cooled laser diodes (LDs) and optical packets are received by, or propagated through, each slave node without optical to electrical to optical (O/E/O) conversion, providing extremely high reliability, high capacity and a low latency.…”

Section: Introductionmentioning

confidence: 99%

Proof of Principle Experiment on Si-Photonics-Based In-Vehicle Optical Network (SiPhON)

Tsuda,

Kubo,

Furuya

et al. 2023

Proceedings of the XXXVth URSI General Assembly and Scientific Symposium – GASS 2023

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A highly reliable, broadband, in-vehicle optical network, the Si-Photonics-Based In-Vehicle Optical Network (SiPhON), is proposed. The fragile laser diodes are placed only in the master and optical packets are transmitted between the master and slave nodes in a ring topology network. The principle of concept is confirmed with the experiment using lithium niobate optical modulators and switches. The silicon photonics key devices are fabricated and tested. The novel optical fiber and power line composite cable for the in-vehicle optical network is also proposed.

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Proposal for a Highly Reliable In-Vehicle Optical Network: SiPhON (Si-Photonics-Based In-Vehicle Optical Network)

Cited by 6 publications

References 1 publication

Broadband optical packet generation by multiplexing signals using a bias tee

Broadband optical packet generation by multiplexing signals using a bias tee

10Gb/s burst-mode driver circuit with on-chip bias switch for in-Vehicle optical networks

Proof of Principle Experiment on Si-Photonics-Based In-Vehicle Optical Network (SiPhON)

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