NTT refines its Coherent Ising Machine

Scientists from the NTT Research Physics & Informatics (PHI) Lab and Tokyo Institute of Technology (Tokyo Tech) have presented a new algorithm that successfully combines amplitude control feedback and Zeeman terms to overcome inherent limits of a Coherent Ising Machine (CIM). (The Ising model is a mathematical abstraction of magnetic systems composed of competitively interacting spins, or angular momentums of fundamental particles.)“We are pleased...

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etisalat tests 100G PON with Nokia

Etisalat UAE has hosted a Nokia Bell Lab’s PON proof of concept (PoC) demonstration that achieved speeds up to 100 Gbps on a single wavelength -- four times faster than the most advanced 25G PON implementations today.Nokia leverages digital signal processing (DSP) techniques to achieve 100 Gbps on a single wavelength. Nokia believes 100G could be commercially available in the 2030s.The Nokia Bell Labs 100G PON prototype is the world’s first application...

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AT&T targets fiber access with BlackRock JV

AT&T and BlackRock Alternatives have formed a joint venture to deliver fiber access outside of AT&T’s traditional 21-state wireline service footprint. The newly formed joint venture — Gigapower, LLC — will deliver fiber services to internet service providers (ISPs) and other businesses using a commercial open access platform. The Gigapower fiber deployment will be incremental to AT&T’s existing target of 30 million-plus fiber locations,...

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Qualcomm and Iridium to bring 2-way satellite to Android

At CES 2023, Qualcomm unveiled Snapdragon Satellite, bringing satellite-based two-way capable messaging for premium Android smartphones. Snapdragon Satellite will provide global connectivity using mobile messaging from around the world1, starting with devices based on the flagship Snapdragon 8 Gen 2 Mobile Platform.The service will be supported by the fully operational Iridium satellite constellation using its L-band spectrum. Qualcomm will...

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