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Ryohei Urata
Ryohei Urata
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Year
Beyond 1 Tb/s intra-data center interconnect technology: IM-DD OR coherent?
X Zhou, R Urata, H Liu
Journal of Lightwave Technology 38 (2), 475-484, 2019
3062019
Jupiter evolving: transforming google's datacenter network via optical circuit switches and software-defined networking
L Poutievski, O Mashayekhi, J Ong, A Singh, M Tariq, R Wang, J Zhang, ...
Proceedings of the ACM SIGCOMM 2022 Conference, 66-85, 2022
1852022
A 40-GHz-bandwidth, 4-bit, time-interleaved A/D converter using photoconductive sampling
LY Nathawad, R Urata, BA Wooley, DAB Miller
IEEE Journal of Solid-State Circuits 38 (12), 2021-2030, 2003
1062003
Demonstration of the interconnection of two optical packet rings with a hybrid optoelectronic packet router
D Chiaroni, R Urata, J Gripp, JE Simsarian, G Austin, S Etienne, ...
36th European Conference and Exhibition on Optical Communication, 1-3, 2010
782010
Datacenter interconnect and networking: From evolution to holistic revolution
R Urata, H Liu, X Zhou, A Vahdat
2017 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2017
712017
Low-temperature growth of GaAs on Si used for ultrafast photoconductive switches
K Ma, R Urata, DAB Miller, JS Harria
IEEE journal of quantum electronics 40 (6), 800-804, 2004
712004
Beyond 1Tb/s datacenter interconnect technology: Challenges and solutions
X Zhou, R Urata, H Liu
Optical Fiber Communication Conference, Tu2F. 5, 2019
672019
Flexible non-modular data center with reconfigurable extended-reach optical network fabric
A Vahdat, H Liu, R Urata, X Zhao, CL Johnson
US Patent 8,965,203, 2015
672015
Datacenter optics: requirements, technologies, and trends
X Zhou, H Liu, R Urata
Chinese Optics Letters 15 (5), 120008, 2017
542017
Scaling large data center interconnects: Challenges and solutions
X Zhou, H Liu, R Urata, S Zebian
Optical Fiber Technology 44, 61-68, 2018
502018
First demonstration of a prototype hybrid optoelectronic router
H Takenouchi, R Urata, T Nakahara, T Segawa, H Ishikawa, R Takahashi
2009 35th European Conference on Optical Communication 2009, 1-2, 2009
472009
High performance, low cost, colorless ONU for WDM-PON
R Urata, C Lam, H Liu, C Johnson
OFC/NFOEC, 1-3, 2012
462012
Ultrafast differential sample and hold using low-temperature-grown GaAs MSM for photonic A/D conversion
R Urata, R Takahashi, VA Sabnis, DAB Miller, JS Harris
IEEE Photonics Technology Letters 13 (7), 717-719, 2001
442001
Lightwave fabrics: at-scale optical circuit switching for datacenter and machine learning systems
H Liu, R Urata, K Yasumura, X Zhou, R Bannon, J Berger, P Dashti, ...
Proceedings of the ACM SIGCOMM 2023 Conference, 499-515, 2023
422023
Passive optical network with asymmetric modulation scheme
CF Lam, H Liu, R Urata
US Patent 8,320,760, 2012
412012
Photonic A/D conversion using low-temperature-grown GaAs MSM switches integrated with Si-CMOS
R Urata, LY Nathawad, R Takahashi, K Ma, DAB Miller, BA Wooley, ...
Journal of lightwave technology 21 (12), 3104, 2003
392003
Mission Apollo: landing optical circuit switching at datacenter scale
R Urata, H Liu, K Yasumura, E Mao, J Berger, X Zhou, C Lam, R Bannon, ...
arXiv preprint arXiv:2208.10041, 2022
362022
What devices do data centers need?
CF Lam, H Liu, R Urata
OFC, 1-3, 2014
362014
State-of-the-art 800G/1.6 T datacom interconnects and outlook for 3.2 T
X Zhou, CF Lam, R Urata, H Liu
Optical Fiber Communication Conference, W3D. 1, 2023
332023
Fiber diagnosis system for WDM optical access networks
CF Lam, BW Segura, R Urata, H Liu
US Patent 8,693,866, 2014
262014
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