NTT Technical Review, Vol. 21, No. 9, Sept. 2023

This article introduces the technologies that con-tribute to low latency and power saving of optical access networks being researched and developed by the Optical Access System Project at NTT

Design and optimization of optical power splitters for optical access

The main challenges in the design of Y-branch optical splitters are the asymmetric split-ting ratio, (non-uniformity of splitting power), and the large size of the splitter structure. These parameters define the

High-speed and low-latency optical feature extraction

Feature extraction in the optical domain offers a promising low-latency, high-throughput solution. Optical diffraction-based feature extraction operating under a

Low-latency and Energy Efficient Technologies for New Optical

This article introduces the technologies that contribute to low latency and power saving of optical access networks being researched and developed by the Optical Access System Project at NTT Access

A Comprehensive Analysis of Methods for Improving and Estimating Energy

With the growing global deployment of Fiber-to-the-Home (FTTH) networks driven by the demand for ensuring high-capacity broadband services, mobile network operators (MNOs) face

Latency-optimized high performance Data Vortex optical switching

This paper addresses the effect of latency optimization in large scale Data Vortex optical networks. A recently proposed strategy for path synchronization in Data Vortex networks allows for

Evaluating power saving techniques in passive optical access

Passive optical networks (PONs) are a preferred technology for implementing fiber-to-the-home networks. Though PONs minimize power consumption compared to digital subscriber loops (DSL),

Energy efficient traffic data aggregation and routing for

The combination of energy-aware routing, dynamic wavelength and bandwidth allocation, and traffic data aggregation can significantly improve

Low-latency optical switching technology for next

Investigation of Low Latency WDM-Parallel Label Processing of Optical Switching System with PN-Junction-Type Silicon Photonics Switch for Edge/Cloud Computing Platform

Ultra low loss broadband 1 × 2 optical power splitters with various

Abstract: We designed Si-based all-dielectric 1 × 2 TE and TM power splitters with various splitting ratios and simulated them using the inverse design of adjoint and numerical 3D finite-difference time

Energy-efficient and sustainable communication in optical networks on

Recently, the researchers have started making use of optical-NOC which provides better results in terms of energy efficiency, high computation, low latency, less hop count, high data rate,

Low-latency and Energy Efficient Technologies for New

This article introduces the technologies that contribute to low latency and power saving of optical access networks being researched and developed by

Performance Comparison of Cu/Low-K, Carbon Nanotube, and Optics

ABSTRACT In this work, we compare the performance of carbon nanotubes and optical interconnects with the scaled Cu/low-k on-chip and off-chip interconnects for future IC technology . We present

A New Strategy for Energy Saving in Spectrum-Sliced

In this paper, we propose a new approach for energy saving in Elastic Optical Networks (EONs) under physical impairments based on MILP solving

Design and optimization of optical power splitters for optical access

The main challenges in the design of Y-branch optical splitters are the asymmetric split-ting ratio, (non-uniformity of splitting power), and the large size of the splitter structure.

Energy-Efficient and Low-Latency Optical Network-on-Chip

This paper proposes an optical network-on-chip (ONoC)-based interconnection architecture and mapping mecha-nism for the artificial neural network (ANN) accelera

[1710.00584] A resource-saving realization of the polarization

Tunable beam splitter (TBS) is a fundamental component which has been widely used in optical experiments. We realize a polarization-independent orbital-angular-momentum-preserving

PWC-PON: An Energy-Efficient Low-Latency DBA Scheme for Time

Reducing network energy consumption and offering low-latency service quality have been the pursued goals in broadband passive optical networks (PONs). To realize these goals,

Miniature spectrometer and beam splitter for an integrated optical

Optical coherence tomography (OCT) is a widely used optical imaging technology . Current OCT systems contain a variety of fiber and free-space optical components, which add to the instrument

Low-Power Low-Latency BCH Decoders for Energy-Efficient Optical

The proposed algebraic decoders are noniterative, which makes latency very short and amenable to very high throughput implementations and could, thus, be used to improve the energy efficiency of

Improving Energy Saving in Time-Division Multiplexing Passive Optical

Sustainable Internet Improving Energy Saving in Time-Division Multiplexing Passive Optical Networks This article proposes a time-division multiplexing passive optical network (TDM-PON) architecture in

A machine learning method for green energy saving in space division

The energy-saving of multi-core SDM-EONs is mainly focused on the MD in the optical node . However, it does not consider the energy consumption of PLZT in the optical node, nor

Design of single-mode optical fiber for low latency

Abstract and Figures Optical Fiber as a transmission medium is now playing a major role in communication industry. A low latency is a vital element

Performance Comparison of Cu/Low-K, Carbon Nanotube, and Optics

We present these comparisons in terms of both commonly used metrics, such as latency, energy per bit, as well as by demonstrating an explicit relationship between system-relevant metrics such as

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