activity
20232026
most citedHeterogeneous Transmission of Analog Radio and Digital Coherent Signals Over Multi-Span Metro and PON for Bandwidth-Efficient Fronthaul in mmWave Centralized RAN Networks [Invited]

8 citations · 18 across the 22 of their papers we have counts for

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Showing 2025Show all

13 papers · 1 filter

eess.SY2025★ 1 cited

Optical Network Digital Twin -- Practical Use Cases and Architecture

Hideki Nishizawa, Toru Mano, Kazuya Anazawa +17

With the widespread adoption of AI, machine-to-machine communications are rapidly increasing, reshaping the requirements for optical networks. Recent advances in Gaussian noise mod…

cs.NI2025

A Zero Added Loss Multiplexing (ZALM) Source Simulation

Jerry Horgan, Alexander Nico-Katz, Shelbi L. Jenkins +6

Zero Added Loss Multiplexing (ZALM) offers broadband, per channel heralded EPR pairs, with a rich parameter space that allows its performance to be tailored for specific applicatio…

cs.NI2025

Entanglement Purification With Finite Latency Classical Communication in Quantum Networks

Vivek Vasan, Alexander Nico-Katz, Boulat A. Bash +2

Quantum networks rely on high fidelity entangled pairs distributed to nodes, but maintaining their fidelity is challenged by environmental decoherence during storage. Entanglement…

cs.NI2025

Beyond Redundancy: Toward Agile Resilience in Optical Networks to Overcome Unpredictable Disasters

Toru Mano, Hideki Nishizawa, Takeo Sasai +9

Resilience in optical networks has traditionally relied on redundancy and pre-planned recovery strategies, both of which assume a certain level of disaster predictability. However,…

cs.NI2025★ 3 cited

Generalized few-shot transfer learning architecture for modeling the EDFA gain spectrum

Agastya Raj, Zehao Wang, Tingjun Chen +2

Accurate modeling of the gain spectrum in Erbium-Doped Fiber Amplifiers (EDFAs) is essential for optimizing optical network performance, particularly as networks evolve toward mult…

physics.optics2025★ 8 cited

Heterogeneous Transmission of Analog Radio and Digital Coherent Signals Over Multi-Span Metro and PON for Bandwidth-Efficient Fronthaul in mmWave Centralized RAN Networks [Invited]

Devika Dass, Dan Kilper, Liam Barry +1

We experimentally investigate the transparent coexistence of heterogeneous Analog Radio-over-Fiber (ARoF) and Digital Coherent Optical (DCO) signals in a converged metro/PON networ…

cs.NI2025★ 2 cited

Interference Detection in Spectrum-Blind Multi-User Optical Spectrum as a Service

Agastya Raj, Daniel C. Kilper, Marco Ruffini

With the growing demand for high-bandwidth, low-latency applications, Optical Spectrum as a Service (OSaaS) is of interest for flexible bandwidth allocation within Elastic Optical…

physics.optics2025

Coexistence of Digital Coherent, mmWave and sub-THz Analog RoF Services using OSaaS over converged access-metro live production network

Devika Dass, Amol Delmade, Agastya Raj +4

We demonstrate the end-to-end transmission of digital coherent and analog radio-over-fiber signals, at mmWave and sub-THz frequencies, over the HEAnet live production metro network…

cs.NI2025

Real-Time Streaming Telemetry Based Detection and Mitigation of OOK and Power Interference in Multi-User OSaaS Networks

Agastya Raj, Devika Dass, Daniel C. Kilper +1

We present a framework to identify and mitigate rogue OOK signals and user-generated power interference in a multi-user Optical-Spectrum-as-a-Service network. Experimental tests on…

cs.NI2025

Transfer Learning for EDFA Gain Modeling: A Semi-Supervised Approach Using Internal Amplifier Features

Agastya Raj, Dan Kilper, Marco Ruffini

The gain spectrum of an Erbium-Doped Fiber Amplifier (EDFA) has a complex dependence on channel loading, pump power, and operating mode, making accurate modeling difficult to achie…

cs.NI2025

Interference Identification in Multi-User Optical Spectrum as a Service using Convolutional Neural Networks

Agastya Raj, Zehao Wang, Frank Slyne +3

We introduce a ML-based architecture for network operators to detect impairments from specific OSaaS users while blind to the users' internal spectrum details. Experimental studies…

cs.LG2025

Multi-Span Optical Power Spectrum Evolution Modeling using ML-based Multi-Decoder Attention Framework

Agastya Raj, Zehao Wang, Frank Slyne +3

We implement a ML-based attention framework with component-specific decoders, improving optical power spectrum prediction in multi-span networks. By reducing the need for in-depth…

cs.NI2025★ 4 cited

Experimental Evaluation of an SDN Controller for Open Optical-circuit-switched Networks

Kazuya Anazawa, Takeru Inoue, Toru Mano +12

Open optical networks have been considered to be important for cost-effectively building and operating the networks. Recently, the optical-circuit-switches (OCSes) have attracted i…