EXAT 2025 Technical Program

(Updated on May 14, 2025)

You can download the proceedings from this page (a password is required, which has been sent to participants via email).

Day 1 / Day 2 / Day 3

Day 1: Wednesday, 28 May

08:20-08:30

Opening Remarks

Kazuhide Nakajima (EXAT 2025 General Chair, NTT)

Session W1 (08:30-10:00) Presider: Masataka Nakazawa

08:30-09:30
W1.1 Plenary

Antonio Mecozzi (University of L'Aquila)
Reflections on three decades of optical communications research: challenges and future directions

09:30-10:00
W1.2 Invited

Manabu Arikawa (NEC)
Transoceanic-class long-haul SDM transmission over 12-coupled-core fiber

Coffee Break (10:00-10:30)

Session W2 (10:30-11:30) Presider: Yuichi Matsushima

10:30-11:00
W2.1 Invited

Haoshuo Chen (Nokia Bell Labs)
Unified coherent receiver for space-wavelength-division multiplexing

11:00-11:30
W2.2 Invited

Daniel J. Elson (KDDI Research)
O-band and multicore fibres: a potential combination for short reach interconnects

Lunch (11:30-13:00)

Session W3 (13:00-14:30) Presider: Kunimasa Saitoh

13:00-13:30
W3.1 Invited

Menno v. Hout (Eindhoven University of Technology)
Transoceanic wideband transmission with 4-core multicore fiber

13:30-14:00
W3.2 Invited

Leslie Rusch (Université Laval)
Silicon photonic devices for scalable SDM systems

14:00-14:30
W3.3 Invited

Ruben Luís (NICT)
Multiband SDM transmission

14:30-20:00

Visit of Himeji Castle & Reception (Himeji Monolith)

(Please refer to the Social Events)

Day 2: Thursday, 29 May

Session T1 (08:30-10:30) Presider: Masatoshi Suzuki

08:30-9:30
T1.1 Plenary

Jin-Xing Cai (SubCom)
Subsea cables in the era of SDM

09:30-10:00
T1.2 Invited

Pushkar Tandon (Corning)
Low-loss MCF for submarine transmission

10:00-10:30
T1.3 Invited

Eduardo Mateo (NEC)
Opportunities and benefits of MCF submarine systems

10:30-11:30

Poster Session with Coffee

Lunch (11:30-13:00)

Session T2 (13:00-14:00) Presider: Yasuo Kokubun

13:00-13:30
T2.1 Invited

Shuo-Yen Tseng (National Cheng Kung University)
Mode control using shortcuts to adiabaticity

13:30-14:00
T2.2 Invited

Xi Vivian Chen (Nokia Bell Labs)
Possible transceiver solutions for SDM fibers

14:00-21:00

Excursion (SPring-8) & Banquet (Harimanokuni-Sosha)

(Please refer to the Social Events)

Day 3: Friday, 30 May

Session F1 (08:30-10:00) Presider: Masanori Koshiba

08:30-09:00
F1.1 Invited

Jonathan Knight (University of Bath)
Hollow core fibres: attenuation and modal content

09:00-09:30
F1.2 Invited

Shin Sato (Sumitomo Electric)
Advancements and future perspectives in ultralow-loss silica-core optical fiber

09:30-10:00
F1.3 Invited

Tobias Tiess (Heraeus Quarzglas Bitterfeld GmbH)
Development of large-scale MCF preform technology

Coffee Break (10:00-10:30)

Session F2 (10:30-11:30) Presider: Makoto Yamada

10:30-11:00
F2.1 Invited

Yongmin Jung (University of Southampton)
Energy efficient multicore fibre amplifiers and lasers

11:00-11:30
F2.2 Invited

Wladek Forysiak (University of Bristol)
Recent advances in optical amplifiers for ultra-wideband transmission systems

Lunch (11:30-13:00)

Session F3 (13:00-14:30) Presider: Yoshinari Awaji

13:00-13:30
F3.1 Invited

Nazanin Hoghooghi (NIST)
Ultrastable optical frequency transfer over deployed multi-core fiber

13:30-14:00
F3.2 Invited

Akio Tanabe (Furukawa Electric)
The latest fusion splicing technologies supporting innovation of fiber optics

14:00-14:30
F3.3 Invited

Mujtaba Zahidy (Technical University of Denmark)
High-dimensional QKD over SDM fibers

14:30-14:40

Best Poster Award

Werner Klaus (EXAT 2025 TPC Chair, NICT)

14:40-14:45

Closing Remarks

Hiroaki Harai (Director General, NICT)