17 Mar 2026
19:30 - 21:00
Room 502A
Imagine hollow-core fiber has reached maturity. It is no longer specialty fiber; it is now cost-competitive with standard fibre. And hollow-core fiber has enticing properties:
• sub 0.1 dB/km loss,
• ultra-low nonlinearity,
• optimal latency.
Where would you deploy it and if you did, would you exploit existing frequency bands or adopt new ones?
This is the Rump Session’s evening’s theme: Which wavelength bands win, why, and where? Do the O-band and C+L band incumbents survive? Or do new challenger bands (S/E/U/Mid-IR,…) crash the party?
A superb panel of provocateurs will debate just this.
The Format: 90 minutes of talk, debate, and banter involving three provocateur teams across three rounds:
Round 1: Intra-data center connectivity (AI clusters, from centimeters up to 10km reach)
Round 2: Access, data centre interconnect, and metro networks
Round 3: Long-haul, scale-across (>120km-1000km), and submarine
The task of the three competing teams is to shape a vision across the three rounds. The audience then casts their votes for the team with the most compelling arguments.
Join us at what should prove to be a fun, provocative evening, and where you can add to the debate!
Organizers
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Roy Rubenstein
LightCounting LLC, United States
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Antonio Tartaglia
Ericsson, Italy
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Dirk Van Den Borne
Juniper Networks Inc., Germany
Speakers
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Ben Puttnam
Microsoft, United Kingdom
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Brian Kim
Lumentum, United States
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Chigo Okonkwo
Eindhoven University of Technology, Netherlands
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Daryl Inniss
LightCounting, United States
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Glenn Wellbrock
Verizon, United States
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Haoshuo Chen
Nokia Bell Labs, United States
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Jim Zou
Adtran, Germany
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Josè Pozo
Optica, Netherlands
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Lara Garrett
Subcom, United States
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Maxim Kushnerov
Huawei, Germany
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Mike Frankel
Google, United States
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Wladek Forysiak
University of Bristol, United Kingdom