Data rate penalty for high-density photonic integrated circuits in advanced modulation formats

Umezawa, Toshimasa; Angkaew, Tuptim; Kawanishi, Tetsuya

doi:10.1109/mwp.2014.6994513

Cited by 3 publications

(3 citation statements)

References 4 publications

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“…The simulated built-in potential was estimated to be 0.71 eV at light-ON; however, different band slope behavior in the InP collector layer based on the electric field was recognized. In the case of the same doping level (I ab = p-type 1 × 10 18 cm -3 ) for condition (A) and (B), the steep band slope in the InP collector layer could be observed at I co = n-type 1 × 10 14 p-type 1 × 10 18 cm -3 and C: I ab = p-type 1 × 10 17 cm -3 ) in the collector layers, where I co = n-type 1 × 10 14 cm -3 , the flat band diagram in the collector layer was confirmed, because of Fermi-level shifting toward the center position, which is caused by the low carrier concentration (I ab = p-type 1 × 10 17 cm -3 ) Internal electric field distributions at 0 V for light-ON, which are simulated for (A)-(C), are shown in Fig. 4.…”

Section: Design Of Zero-bias Operational Utc-pdmentioning

confidence: 92%

“…Therefore, new high-density photonic integration and high-baud-rate transmission technologies must be designed and developed. Then, designs must be completed with care in order to avoid crosstalk issues and to optimize the tradeoffs between high-density integration and high-frequency transmission [14]. The optical crosstalk issue in high-density parallel photonic integrated circuits (PICs) can be predicted [15].…”

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confidence: 99%

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Bias-Free Operational UTC-PD above 110 GHz and Its Application to High Baud Rate Fixed-Fiber Communication and W-Band Photonic Wireless Communication

Umezawa

Kanno

Kashima

et al. 2016

J. Lightwave Technol.

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We present the design of a bias-free uni-travelling-carrier photodiode (UTC-PD) that is operational above 110 GHz, and its application to 100-Gbaud fixed-fiber communication and 109-GHz carrier-photonic wireless communication, for advanced optical networks. The design and analysis for bias-free operation were explained in detail using the carrier concentration in the photo-absorption layer and carrier collector layer. In the experimental results, the developed UTC-PD with back-illuminated structure exhibited a wide 3-dB bandwidth of over 110 GHz at 0 V. For fixed-fiber communications, a high-baud-rate photoreceiver based on the UTC-PD was fabricated. Eye diagrams showed clear openings at up to 107 Gbaud and high photo-currents of 3-7 mA at 100 GHz signal light were observed at zero-bias. Assuming photonic wireless communication using photonic power supply through optical fiber, the developed UTC-PD contributed to reducing bias feeds to the photoreceiver module. Additionally, low power consumption was achieved when using the newly developed 110 GHz InP-PHEMT amplifier with the UTC-PD.Index Terms-Bias free, UTC-PD, high baud rate optical fiber communications, high carrier frequency photonic wireless communication, low power consumption, high gain

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Section: Design Of Zero-bias Operational Utc-pdmentioning

confidence: 92%

mentioning

confidence: 99%

Bias-Free Operational UTC-PD above 110 GHz and Its Application to High Baud Rate Fixed-Fiber Communication and W-Band Photonic Wireless Communication

Umezawa

Kanno

Kashima

et al. 2016

J. Lightwave Technol.

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“…These fundamental physical coupling mechanisms between neighboring components lead to electrical, thermal and optical crosstalk and are worthwhile investigating. They have gained recent attention in the research community, resulting in several studies [10], [11], [30]- [32]. In this section, we will summarize relevant results from our previous work regarding crosstalk effects in InP transmitters and detail how we applied the insight gained to the demonstrator transmitter design presented in this paper.…”

Section: Crosstalk Effects and Mitigationmentioning

confidence: 99%

Monolithic 300 Gb/s Parallel Transmitter in InP-Based Generic Photonic Integration Technology

Yao

Smit

Wale

2018

IEEE J. Select. Topics Quantum Electron.

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DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal.If the publication is distributed under the terms of Article 25fa of the Dutch Copyright Act, indicated by the "Taverne" license above, please follow below link for the End User Agreement:

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Bias free operational 107-Gbaud ultra-fast photodetector

Umezawa

Akahane

Yamamoto

et al. 2015

2015 European Conference on Optical Communication (ECOC)

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Data rate penalty for high-density photonic integrated circuits in advanced modulation formats

Cited by 3 publications

References 4 publications

Bias-Free Operational UTC-PD above 110 GHz and Its Application to High Baud Rate Fixed-Fiber Communication and W-Band Photonic Wireless Communication

Bias-Free Operational UTC-PD above 110 GHz and Its Application to High Baud Rate Fixed-Fiber Communication and W-Band Photonic Wireless Communication

Monolithic 300 Gb/s Parallel Transmitter in InP-Based Generic Photonic Integration Technology

Bias free operational 107-Gbaud ultra-fast photodetector

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