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View article: FLEX-SCALE: A Disruptive Approach Toward Flexibly Scalable Energy Efficient Networking
FLEX-SCALE: A Disruptive Approach Toward Flexibly Scalable Energy Efficient Networking Open
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View article: Optoelectronic Assembly of a Silicon Photonic 4-Channel Coherent Receiver Array
Optoelectronic Assembly of a Silicon Photonic 4-Channel Coherent Receiver Array Open
A 4-channel IQ receiver array with individual optical inputs has been fully packaged in an optoelectronic assembly including an RF Rogers PCB, an Alumina PCB as fanout and photonic wire bonds for optical coupling with fiber arrays.BER perf…
View article: A Security Plane Architecture for Ultra-Low-Energy, High-Capacity Optical Transport Networks
A Security Plane Architecture for Ultra-Low-Energy, High-Capacity Optical Transport Networks Open
The evolution toward agile, ultra-low-energy, high-capacity optical transport networks can benefit from solutions incorporating multi-band, multi-fiber, and point-to-multipoint (P2MP)/sliceable high-capacity transport technologies carefull…
View article: Symbol error rate minimization using deep learning approaches for short-reach optical communication networks
Symbol error rate minimization using deep learning approaches for short-reach optical communication networks Open
Short-reach optical communication networks have various applications in areas where high-speed connectivity is needed, for example, inter- and intra-data center links, optical access networks, and indoor and in-building communication syste…
View article: Coherent transceiver architecture enabling data transmission and optical identification
Coherent transceiver architecture enabling data transmission and optical identification Open
We propose a coherent transceiver architecture able to transmit information and enhance the security of the optical network by identifying other optical systems and subsystems. Simulations show that identification is obtained with sufficie…
View article: Device Fingerprint as a Transmission Security Paradigm
Device Fingerprint as a Transmission Security Paradigm Open
Optoelectronics plays a crucial role in the field of telecommunications and networks. Specifically, optoelectronic constructions serve as sources, detectors, and light controllers in communication and optical network systems. One of the re…
View article: Probabilistic Amplitude Shaping for Continuous-Variable Quantum Key Distribution With Discrete Modulation Over a Wiretap Channel
Probabilistic Amplitude Shaping for Continuous-Variable Quantum Key Distribution With Discrete Modulation Over a Wiretap Channel Open
To achieve the maximum information transfer and face a possible eavesdropper, the samples transmitted in continuous-variable quantum key distribution (CV-QKD) protocols are to be drawn from a continuous Gaussian distribution. As a matter o…
View article: Optical identification using physical unclonable functions
Optical identification using physical unclonable functions Open
In this work, the concept of optical identification (OI) based on physical unclonable functions is introduced for the first time, to our knowledge, in optical communication systems and networks. The OI assigns an optical fingerprint and th…
View article: Optical Systems Identification through Rayleigh Backscattering
Optical Systems Identification through Rayleigh Backscattering Open
We introduce a technique to generate and read the digital signature of the networks, channels, and optical devices that possess the fiber-optic pigtails to enhance physical layer security (PLS). Attributing a signature to the networks or d…
View article: A Field Trial of Multi-Homodyne Coherent Detection over Multi-Core Fiber for Encryption and Steganography
A Field Trial of Multi-Homodyne Coherent Detection over Multi-Core Fiber for Encryption and Steganography Open
The concept of multi-homodyne coherent detection is used for stealth and secured optical communications, demonstrating a transmission rate of 20 Gbps under negative (in dB) optical signal-to-noise ratio (OSNR), in a deployed multi-core fib…
View article: Multi-band Optical Network Assisted by GNPy: an Experimental Demonstration
Multi-band Optical Network Assisted by GNPy: an Experimental Demonstration Open
This work has received funding from the European Union Horizon 2020 MSCA EID MENTOR (GA 956713), the H2020 MSCA ETN WON (GA 814276) and the H2020 EMJMD PIXNET (GA 2017-1928).
View article: Probabilistic amplitude shaping for continuous-variable quantum key distribution with discrete modulation over a wiretap channel
Probabilistic amplitude shaping for continuous-variable quantum key distribution with discrete modulation over a wiretap channel Open
To achieve the maximum information transfer and face a possible eavesdropper, the samples transmitted in continuous-variable quantum key distribution (CV-QKD) protocols are to be drawn from a continuous Gaussian distribution. As a matter o…
View article: SOA Model and Design Guidelines in Lossless Photonic Subsystem
SOA Model and Design Guidelines in Lossless Photonic Subsystem Open
We propose a new practical analytical model to calculate the performance of amplitude-modulated systems, including semiconductor optical amplifiers (SOA). Lower and upper-performance bounds are given in terms of signal quality factor (Q) c…
View article: Smart Self-Coherent Optical Communication for Short Distances
Smart Self-Coherent Optical Communication for Short Distances Open
We proposed and investigated a high-performance, energy-efficient, and low-cost self-homodyne coherent detection transmission (SHCDT) system for the 5G access network segment assuring high capacity and light digital signal processing (DSP)…
View article: Stealth and secured optical coherent transmission using a gain switched frequency comb and multi-homodyne coherent detection
Stealth and secured optical coherent transmission using a gain switched frequency comb and multi-homodyne coherent detection Open
A novel all-optical stealth and secured transmission is proposed and demonstrated. Spectral replicas of the covert signal are carried by multiple tones of a gain switched optical frequency comb, optically coded with spectral phase mask, an…
View article: Secure Quantum Communication Technologies and Systems: From Labs to Markets
Secure Quantum Communication Technologies and Systems: From Labs to Markets Open
We provide a broad overview of current quantum communication by analyzing the recent discoveries on the topic and by identifying the potential bottlenecks requiring further investigation. The analysis follows an industrial perspective, fir…
View article: Lossless WDM PON Photonic Integrated Receivers Including SOAs
Lossless WDM PON Photonic Integrated Receivers Including SOAs Open
The role of a semiconductor optical amplifier (SOA) for amplifying downstream traffic at optical network terminals (ONT) within a silicon-photonics integrated receiver in a high capacity passive optical network (PON) is investigated. The n…
View article: 50 Gb/s short-reach interconnects with DSP-free direct-detection enabled by CAPS codes
50 Gb/s short-reach interconnects with DSP-free direct-detection enabled by CAPS codes Open
We experimentally demonstrate 50 Gb/s transmission below an uncorrected bit error rate (BER) of 10-3 in the C band over a transmission reach that extends from 0 to 20 km using combined amplitude and phase shift (CAPS) codes. The CAPS signa…
View article: Software-defined reconfigurable VCSEL-based transmission
Software-defined reconfigurable VCSEL-based transmission Open
We propose and demonstrate a programmable and self-adaptive VCSEL-based transponder for short-reach applications that is easily extensible up to access and metro scenarios. The transponder presents a monitoring system that feeds the transp…
View article: A Survey of Optical Carrier Generation Techniques for Terabit Capacity Elastic Optical Networks
A Survey of Optical Carrier Generation Techniques for Terabit Capacity Elastic Optical Networks Open
Elastic optical networks (EON) have been proposed to meet the network capacity and dynamicity challenges. Hardware and software resource optimization and re-configurability are key enablers for EONs. Recently, innovative multi-carrier tran…
View article: BER Degradation Detection and Failure Identification in Elastic Optical Networks
BER Degradation Detection and Failure Identification in Elastic Optical Networks Open
Optical connections support virtual links in MPLS-over-optical multilayer networks and therefore, errors in the optical layer impact on the quality of the services deployed on such networks. Monitoring the performance of the physical layer…
View article: Time–Frequency Packing Applied to Cost-Effective IM/DD Transmission Based on Directly Modulated VCSEL
Time–Frequency Packing Applied to Cost-Effective IM/DD Transmission Based on Directly Modulated VCSEL Open
Potential of directly modulated vertical cavity surface emitting lasers (VCSELs), widely employed for low-cost and energy-efficient intradata center transmissions, is here studied for transmissions up to access/metro scenarios. In particul…
View article: A Silicon Microring Optical 2 $\times$ 2 Switch Exploiting Orbital Angular Momentum for Interconnection Networks up to 20 Gbaud
A Silicon Microring Optical 2 $\times$ 2 Switch Exploiting Orbital Angular Momentum for Interconnection Networks up to 20 Gbaud Open
<p>The orbital angular momentum (OAM) of light can be exploited as an additional switching domain together with more traditional switching domains as wavelength, space and time to implement multi-layer interconnection networks with h…
View article: On the Filter Narrowing Issues in Elastic Optical Networks
On the Filter Narrowing Issues in Elastic Optical Networks Open
This paper describes the problematic filter narrowing effect in the context of next-generation elastic optical networks. First, three possible scenarios are introduced: the transition from an actual fixed-grid to a flexigrid network, the g…
View article: Special Section on Photonics in Switching
Special Section on Photonics in Switching Open
The Photonics in Switching Conference was held in Florence, Italy, in September 2015. The Conference was exciting, with a large number of original works invited and presented. The Convitto della Calza cloister stimulated many fruitful disc…
View article: Reconfigurable Silicon Photonics Integrated 16-QAM Modulator Driven by Binary Electronics
Reconfigurable Silicon Photonics Integrated 16-QAM Modulator Driven by Binary Electronics Open
A novel silicon photonics integrated reconfigurable nested Mach-Zehnder interferometer including tunable splitters and four independent phase modulators has been designed and fabricated. The architecture enables the generation of offset-fr…