Takako Hirokawa

According to our database, Takako Hirokawa authored at least 21 papers between 2019 and 2026.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2026

A 60 GHz EO Bandwidth Mach-Zehnder Modulator for 200G/λ O-band Datacom in 300-mm Monolithic CMOS Silicon Photonics Foundry.

Ming Gong, Qidi Liu, Hanyi Ding, Minerva Webster-Pact, Kevin Dezfulian, Yusheng Bian, Sujith Chandran, Teodor Stanev, Massimo Sorbara, Won Suk Lee, Michal Rakowski, Takako Hirokawa, Yahui Xiao, Bob Mulfinger, Janet Tinkler, Andrea Paganini, Ken Giewont, Rick Carter, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2026

2025

High-power, low-loss, fabrication tolerant multi-tip SiN edge coupler in 300mm monolithic SiPh foundry technology.

Yusheng Bian, Takako Hirokawa, Yarong Lin, Zahidur Chowdhury, Arpan Dasgupta, Abdelsalam Aboketaf, Won Suk Lee, Francis Afzal, Sujith Chandran, Kevin K. Dezfulian, Arman Najafi, Ming Gong, Qidi Liu, Brian Popielarski, Jae Kyu Cho, Farid Barakat, Jason Kim, Michelle Zhang, Keith Donegan, Thomas Houghton, Karen Nummy, John Garant, Ravi Srivastava, Dewei Xu, Petar Ivanov Todorov, Michal Rakowski, Massimo Sorbara, Yahui Xiao, Shenghua Song, Helen Wong, Mohamed Gheith, Ian Stobert, Mini Modh Ghosal, Kate McLean, Ryan Gallagher, Norman Robson, Ian Melville, Asli Sahin, Janet Tinkler, Bob Mulfinger, George Gifford, Ryan Sporer, Rick Carter, Vikas Gupta, Ken Giewont, Isabelle Ferain, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2025

Monolithically Integrated High-Performance Ge-on-Si PIN Photodetectors with Nearly 60 GHz EO Bandwidth, 0.95 A/W Responsivity, <30 nA Dark Current and -36 dB Optical Return Loss Enabled by Ge Shape Optimization.

Yusheng Bian, Abdelsalam Aboketaf, Won Suk Lee, Sujith Chandran, Edgar Huante-Ceron, Arman Najafi, Ana Villafranca, Hatef Shiran, Judson Holt, Francis Afzal, Kevin K. Dezfulian, Michelle Zhang, Brian Popielarski, Ming Gong, Javier Ayala, Patrick Snow, Helen Wong, Qidi Liu, Mrunal Shah, Felix Beaudoin, Frank Pavlik, Crystal Hedges, Frieder Baumann, Michal Rakowski, Takako Hirokawa, Andy Stricker, Oscar Restrepo, Brett Yatzor, Massimo Sorbara, Yahui Xiao, Kyle Murray, Mohammad Karimi, Akram Hajebifard, Prova Christina Gomes, Richard Grzybowski, John Martinho, Yu Zhang, Amit Gupta, Hanyi Ding, Kate McLean, Teodor Stanev, Paul Webster-Pact, Ah Fatt Tong, Prashanth Prasad Raghavendra, Mini Modh Ghosal, Mohamed Gheith, Ian Stobert, Ryan Sweeney, Minghui Zhang, Jonathan Rullan, Feng Chen, Arunima Dasgupta, Jae Rascoe, Andrea Paganini, Alban Zaka, Xinggong Wan, Asli Sahin, Janet Tinkler, Bob Mulfinger, Scott Hildreth, George Gifford, Rainer Gehres, Ryan Sporer, Rick Carter, Vikas Gupta, Ken Giewont, Isabelle Ferain, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2025

2024

High-Power Micro-Ring Modulator and Multi-Channel Coupled Ring Resonator for WDM Design on a 300-mm Monolithic Foundry Platform.

Qidi Liu, Abdelsalam Aboketaf, Shantanu Pal, Salman Mosleh, Seyedeh Fahimeh Banihashemian, Sakthivel Pavadai, Jui-Chu Lee, Yusheng Bian, Ming Gong, Bradley Orner, Colleen Wemple, Petar Ivanov Todorov, Kevin K. Dezfulian, Michal Rakowski, Won Suk Lee, Takako Hirokawa, Sujith Chandran, Crystal Hedges, Frank Pavlik, Pike Charles, Avijit Chatterjee, Riddhi Nandi, Ken Giewont, Massimo Sorbara, Karen Nummy, Jignesh Patel, Clifford Morgan, Gregory O'Malley, Frederick G. Anderson

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

Latest Progress and Challenges in 300 mm Monolithic Silicon Photonics Manufacturing.

Takako Hirokawa, Yusheng Bian, Ken Giewont, Abdelsalam Aboketaf, Sujith Chandran, Jae Kyu Cho, Zahidur Chowdhury, Won Suk Lee, Qidi Liu, Prateek Sharma, Massimo Sorbara, Frederick G. Anderson, Farid Barakat, Arpan Dasgupta, Kevin Dezfulian, Thomas Houghton, Jason Kim, Yarong Lin, Norman Robson, Vaibhav Ruparelia, Shenghua Song, Ryan Sporer, Teck Jung Tang, Janet Tinkler, Helen Wong, Michelle Zhang

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

High Performance Silicon Nitride Passive Optical Components on Monolithic Silicon Photonics Platform.

Sujith Chandran, Yusheng Bian, Won Suk Lee, Ahmed Abumazwed, Neng Liu, Luhua Xu, Hanyi Ding, Abdelsalam Aboketaf, Michal Rakowski, Kevin Dezfulian, Arman Najafi, Takako Hirokawa, Qidi Liu, Andy Stricker, Subramanian Krishnamurthy, Kate McLean, Ryan Sporer, Michelle Zhang, Shenghua Song, Helen Wong, Salman Mosleh, Dan Deptuck, Janet Tinkler, Jae Gon Lee, Vikas Gupta, Anthony Yu, Ken Giewont, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

Towards polarization insensitive photonic integrated circuits: polarization dependent loss reduction of CMOSintegrated monolithic SiPh components.

Yusheng Bian, Won Suk Lee, Sujith Chandran, Takako Hirokawa, Massimo Sorbara, Abdelsalam Aboketaf, Kevin K. Dezfulian, Arman Najafi, Salman Mosleh, Seyedeh Fahimeh Banihashemian, Ryan Sporer, Michelle Zhang, Shenghua Song, Helen Wong, Chris Ritchie, Yarong Lin, Thomas Houghton, Hanyi Ding, Qidi Liu, Ming Gong, Jae Kyu Cho, Arpan Dasgupta, Zahidur Chowdhury, Farid Barakat, Jason Kim, Janet Tinkler, Jae Gon Lee, Norman Robson, Teck Jung Tang, Frederick G. Anderson, Ian Melville, George Gifford, Vikas Gupta, Anthony Yu, Ken Giewont, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

Mitigating substrate leakage loss on a monolithic SiPh platform: experimental demonstration of hybrid Si-SiN waveguides for O-band datacom.

Yusheng Bian, Won Suk Lee, Sujith Chandran, Abdelsalam Aboketaf, Takako Hirokawa, Kevin Dezfulian, Massimo Sorbara, Seyedeh Fahimeh Banihashemian, Salman Mosleh, Arman Najafi, Qidi Liu, Ming Gong, Michal Rakowski, Chris Ritchie, Ryan Sporer, Michelle Zhang, Shenghua Song, Helen Wong, Arpan Dasgupta, Zahidur Chowdhury, Ryan Gallagher, Jae Gon Lee, Janet Tinkler, George Gifford, Vikas Gupta, Anthony Yu, Ken Giewont, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

2023

Self-aligned Fiber Attach on Monolithic Silicon Photonic Chips: Moisture Effect and Hermetic Seal.

Zhuo-Jie Wu, Ping-Chuan Wang, Seungman Choi, Patrick Justison, Martin Gall, Jae Kyu Cho, Takako Hirokawa, Yusheng Bian, Thomas Houghton, Vaishnavi Karra, Dan Moy, Karen Nummy, Dave Riggs, Norman Robson, Ian Melville, Ken Giewont

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Monolithically integrated self-aligned SiN edge coupler with 520 mW high-power handling capability.

Yusheng Bian, Takako Hirokawa, Vaishnavi Karra, Arpan Dasgupta, Won Suk Lee, Abdelsalam Aboketaf, Francis Afzal, Ryan Sporer, Karen Nummy, Ken Giewont, Nickolas C. Harris, Reza Baghdadi, Shashank Gupta, Keith Donegan, Thomas Houghton, Brian Popielarski, Kevin K. Dezfulian, Petar Ivanov Todorov, Bo Peng, Sujith Chandran, Mohamed Gheith, Ian Stobert, Mini Modh Ghosal, Jae Kyu Cho, Apoorva Vakil, Sunoo Kim, Zhuo-Jie Wu, Andy Stricker, Kate McLean, Benjamin V. Fasano, Michal Rakowski, Qidi Liu, Matt Rauer, Ryan Gallagher, Ranjani Sirdeshmukh, Norman Robson, Ian Melville, Rod Augur, Jae Gon Lee, Wenhe Lin, George Gifford, Robert Fox, Vikas Gupta, Anthony Yu, John Pellerin, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Polarization mode dispersion in CMOS-integrated monolithic SiPh components: simulations and experiments.

Yusheng Bian, Hanyi Ding, Abdelsalam Aboketaf, Vaishnavi Karra, Massimo Sorbara, Takako Hirokawa, Salman Mosleh, Crystal Hedges, Won Suk Lee, Sujith Chandran, Avijit Chatterjee, Riddhi Nandi, Ken Giewont, Karen Nummy, Alon Gabbay, Yannick De Koninck, Jochem Verbist, Santiago Echeverri, Liron Gantz, Qidi Liu, Dylan Logan, Omid Jafari, Kyle Murray, Edgar Huante-Ceron, Subharup Roy, Paul Webster-Pact, Michal Rakowski, Kevin K. Dezfulian, Andy Stricker, Thomas Houghton, Keith Donegan, Ryan Sporer, Jae Kyu Cho, Farid Barakat, Dan Moy, Zhuo-Jie Wu, Subramanian Krishnamurthy, Arman Najafi, Seyedeh Fahimeh Banihashemian, Rick Mincar, Ranjani Sirdeshmukh, Norman Robson, Ian Melville, Rod Augur, Jae Gon Lee, Wenhe Lin, George Gifford, Robert Fox, Vikas Gupta, Anthony Yu, John Pellerin, Ted Letavic

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023

Monolithic Silicon Photonics.

Ted Letavic, Massimo Sorbara, Ken Geiwont, Yusheng Bian, Vihbor Jain, Sameer Jain, Koushik Ramachandran, Zhuo-Jie Wu, Brittany Hedrick, Kevin K. Dezfulian, Yarong Lin, Teck Jung Tang, Thomas Houghton, Daniel Fisher, Takako Hirokawa, Monica Esopi, Vaishnavi Karra, Won Suk Lee, Michelle Zhang, Ryan Sporer, Jorge Lubguban, Jae Kyu Cho, Rongtao Cao, Hanyi Ding, Sujith Chandran, Michal Rakowski, Abdelsalam Aboketaf, Subramanian Krishnamurthy, Scott Mills, Norman Robson, Ian Melville, Robert Fox, Vikas Gupta, Anthony Yu

Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2023

2022

Automatic Waveguide Balancing Using Point Set Operations.

Won Suk Lee, Yusheng Bian, Thomas Weeks, Michal Rakowski, Francis O. Afzal, Takako Hirokawa, Asif Chowdhury, Rod Augur, Jae-Gon Lee, Alexander Martin, Ken Giewont

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

High Performance Avalanche Photodiode in a Monolithic Silicon Photonics Technology.

Asif Chowdhury, Subramanian Krishnamurthy, Abdelsalam Aboketaf, Jacquelyn Phang, Ludmila Popova, Michelle Zhang, Javier Ayala, Yusheng Bian, Michal Rakowski, Francis Afzal, Takako Hirokawa, Won Suk Lee, Judson Holt, Massimo Sorbara, Vishal Dhurgude, Crystal Hedges, Frank Pavlik, Stan Senger, Kate McLean, Andy Stricker, Ryan Sporer, Karen Nummy, Dave Riggs, Rod Augur, Wenhe Lin, Jae Gon Lee, Vikas Gupta, Eng Hua Lim, Ken Giewont, Ted Letavic, John Pellerin

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

Edge Wavelength Selective Switch for Optical Access Networks.

Evan D. Chansky, Viviana Arrunategui-Norvick, Takako Hirokawa, L. Alberto Campos, Haipeng Zhang, Mu Xu, Zhensheng Jia, Clint L. Schow

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022

2021

Novel Link Architecture Minimizing Thermal Energy Dissipation for Cryogenic Optical Interconnects.

Steven B. Estrella, Thomas P. Dorch, Trevor M. Cooper, Aaron Maharry, Takako Hirokawa, Daniel S. Renner, Clint L. Schow

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

Hybrid III-V laser integration on a monolithic silicon photonic platform.

Yusheng Bian, Koushik Ramachandran, Bo Peng, Brittany Hedrick, Scott Mills, Keith Donegan, Armand Rundquist, Ed Vail, Vaishnavi Karra, Firat Yasar, Monica Esopi, Benjamin Fasano, Asli Sahin, Thomas Houghton, Karen Nummy, Hanyi Ding, Takako Hirokawa, Kevin Dezfulian, Zhuo-Jie Wu, Daniel Fisher, Jim Pape, Jay Steffes, Louis Medina, Subharup Gupta Roy, Harry Cox, Bart Green, Jorge Lubguban, Won Suk Lee, Abdelsalam Aboketaf, Michal Rakowski, Kate McLean, Zoey Sowinski, Oh-Jung Kwon, Gabrielle Robert, Massimo Sorbara, Subramanian Krishnamurthy, Andy Stricker, Jae Kyu Cho, Ian Melville, Dave Riggs, Rod Augur, Norman Robson, Daniel Berger, Luke Lee, Vikas Gupta, Anthony Yu, Ken Giewont, Ted Letavic, John Pellerin

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

Monolithically integrated silicon nitride platform.

Yusheng Bian, Colleen Meagher, Karen Nummy, Sujith Chandran, Won Suk Lee, Abdelsalam Aboketaf, Danhao Ma, Ryan Sporer, Michal Rakowski, Nuh Yuksek, Monica Esopi, Bo Peng, Yangyang Liu, Abu Thomas, Tymon Barwicz, Takako Hirokawa, Javier Ayala, Asli Sahin, Andy Stricker, Subramanian Krishnamurthy, Shuren Hu, Zoey Sowinski, Kate McLean, Louis Medina, Kevin Dezfulian, Michelle Zhang, Mona Nafari, Zhuoqiang Jia, Kaushikee Mishra, Asif Chowdhury, Francis Afzal, Brendan Harris, Salman Mosleh, Bruna Paredes, Marcus S. Dahlem, Jaime Viegas, Rod Augur, Dave Riggs, Luke Lee, Wenhe Lin, Ajey P. Jacob, Fen Jamin, Mai Randall, Hemanth Parsa, Vikas Gupta, Anthony Yu, Ken Giewont, Ted Letavic, John Pellerin

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021

2019

Demonstration of a Spectrally-Partitioned $4\mathrm{x}4$ Crossbar Switch with 3 Drops per Cross-point.

Takako Hirokawa, Aaron Maharry, Roger J. Helkey, John E. Bowers, Adel A. M. Saleh, Clint L. Schow

Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

A Nonblocking 4×4 Mach-Zehnder Switch with Integrated Gain and Nanosecond-Scale Reconfiguration Time.

Nicolas Dupuis, Fuad E. Doany, Russell A. Budd, Laurent Schares, Christian W. Baks, Daniel M. Kuchta, Takako Hirokawa, Benjamin G. Lee

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

Monolithically-Integrated 50 Gbps 2pJ/bit Photoreceiver with Cherry-Hooper TIA in 250nm BiCMOS Technology.

Hector Andrade, Takako Hirokawa, Aaron Maharry, Alexander V. Rylyakov, Clint L. Schow, James F. Buckwalter

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019