Secure 100 Gb/s IMDD transmission over 100 km SSMF enabled by quantum noise stream cipher and sparse RLS-Volterra equalizer

Q Yu, Y Wang, D Li, H Song, Y Fu, X Jiang… - IEEE …, 2020 - ieeexplore.ieee.org
In this paper, we have experimentally demonstrated a secure 100 Gb/s intensity-modulation
and direct-detection transmission over 100 km standard single-mode fiber (SSMF) based on …

Physical-layer adaptive resource allocation in software-defined data center networks

M Yang, H Rastegarfar, IB Djordjevic - Journal of Optical …, 2018 - opg.optica.org
With the deep physical-layer programmability enabled by software-defined networking
(SDN), it is now feasible to realize optical data center transceivers that adapt their …

[HTML][HTML] Data preprocessing for machine-learning-based adaptive data center transmission

K Keykhosravi, A Hamednia, H Rastegarfar, E Agrell - ICT Express, 2022 - Elsevier
To enable optical interconnect fluidity in next-generation data centers, we propose adaptive
transmission based on machine learning in a wavelength-routing network. We consider …

SDN-based application driven in-band adaptive coding in data centers

M Yang, H Rastegarfar… - 2018 Optical Fiber …, 2018 - ieeexplore.ieee.org
SDN-Based Application Driven In-Band Adaptive Coding in Data Centers Page 1 W2A.21.pdf
OFC 2018 © OSA 2018 SDN-Based Application Driven In-Band Adaptive Coding in Data …

Multicast scheduling of wavelength-tunable, multiqueue optical data center switches

K Keykhosravi, H Rastegarfar, E Agrell - Journal of Optical …, 2018 - opg.optica.org
The all-optical switching of multicast flows using star couplers and tunable transceivers is a
promising solution for emerging cloud data center applications. However, the limited tuning …

Demonstration of PAM4-OCDM system with electrical amplitude-level pre-tuning and post-equalization for data centers applications

T Kodama, T Miyazaki, M Hanawa, A Maruta… - Optics …, 2019 - opg.optica.org
A PAM4-OCDM system with optical multi-/demultiplexing and electrical pre-/post-processing
is proposed for short-reach applications. We experimentally demonstrate, for the first time, a …

Overcoming the switching bottlenecks in wavelength-routing, multicast-enabled architectures

K Keykhosravi, H Rastegarfar… - Journal of Lightwave …, 2019 - opg.optica.org
Modular optical switch architectures combining wavelength routing based on arrayed
waveguide grating (AWG) devices and multicasting based on star couplers hold promise for …

Probabilistically coded modulation formats for 5G mobile fronthaul networks

M Yang, H Rastegarfar… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
The centralized/cloud radio access network architecture is being considered as a promising
solution for fifth-generation cellular networks. In particular, the stringent capacity and latency …

Applying the skew-normal distribution to model coherent MPI and to evaluate its impact on PAM signals

LGC Cancela, JJO Pires - Optical Fiber Technology, 2020 - Elsevier
We statistically model the coherent multipath interference (MPI) using an extended skew-
normal distribution, with the results showing a good agreement with published experimental …

Wavelength reuse for scalable multicasting: a cross-layer perspective

H Rastegarfar, K Keykhosravi, E Agrell… - Optical Fiber …, 2018 - opg.optica.org
We examine the feasibility of ultrahigh-scale datacenter multicasting by simultaneously
taking into account the choice of architecture, modulation, and coding. Our Monte Carlo …