A5069692284- Advanced Photonic Communication Systems
- Optical Network Technologies
- Photonic and Optical Devices
- Advanced Optical Network Technologies
- Semiconductor Lasers and Optical Devices
- Advanced Fiber Laser Technologies
- Neural Networks and Reservoir Computing
- Power Line Communications and Noise
- Phase-change materials and chalcogenides
- Optical Wireless Communication Technologies
- Advanced Memory and Neural Computing
- Millimeter-Wave Propagation and Modeling
- Ultra-Wideband Communications Technology
- Telecommunications and Broadcasting Technologies
- PAPR reduction in OFDM
- Nonlinear Photonic Systems
- Radio Frequency Integrated Circuit Design
- Wireless Communication Networks Research
- Photonic Crystals and Applications
- Chalcogenide Semiconductor Thin Films
- Advanced Fiber Optic Sensors
- Advanced MIMO Systems Optimization
- Laser-Matter Interactions and Applications
- Solid-state spectroscopy and crystallography
- Quality and Safety in Healthcare
CEA LETI
2015-2025
Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2015-2025
Université Grenoble Alpes
2016-2025
Institut polytechnique de Grenoble
2016-2024
CEA Grenoble
2016-2024
Thales (France)
2016
Nokia (France)
2016
III V Lab
2016
Orange (France)
2006-2015
Électricité de France (France)
2005
We report on advanced millimeter-wave (mm-wave) photonic components for broadband radio transmission. have developed self-pulsating 60-GHz range quantum-dash Fabry-Perot mode-locked laser diodes (MLLD) passive, i.e., unlocked, mm-wave generation with comparably low-phase noise level of -76 dBc/Hz @ 100-kHz offset from a 58.8-GHz carrier. further high-frequency 1.55-μm waveguide photodiodes (PD) partially p-doped absorber operation (f <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...
This roadmap consolidates recent advances while exploring emerging applications, reflecting the remarkable diversity of hardware platforms, neuromorphic concepts, and implementation philosophies reported in field. It emphasizes critical role cross-disciplinary collaboration this rapidly evolving
Some of the work carried out within European integrated project Integrated Photonic mm-Wave Functions for Broadband Connectivity (IPHOBAC) on development photonic components and radio-over-fiber technologies broadband wireless communication is reviewed. In detail, 60 GHz outdoor radio systems >10 Gbits/s indoor offering >1 Gbit/s transmission speeds are reported. The uncompressed high-definition TV signals using band also demonstrated.
We experimentally investigate the transmission performance of a novel modulation based on recently proposed technique adaptively modulated optical orthogonal frequency-division multiplexing (AMOOFDM) for next-generation passive network (NG-PON). This signal was generated by direct cost-effective and low-bandwidth commercially available distributed-feedback vertical-cavity surface-emitting lasers. Using Levin-Campello adaptive bit-loading algorithm channel capacity optimization over AMOOFDM...
We experimentally demonstrate the use of AMOOFDM format for remote modulation low-bandwidth RSOA as a cost effective solution 10 Gbit/s upstream transmission in 20 km single fiber WDM-PON architecture.
Recent activity to achieve multi-gigabit transmission over 1 mm core diameter graded-index and step-index plastic optical fibers for distances up 50 meters is reported in this paper. By employing a simple intensity-modulated direct-detection system with pulse amplitude or digital multi-tone modulation techniques, low-cost transceivers easy install large-core POFs, it demonstrated that 10 Gbit/s 1-mm POF infrastructure feasible. The results presented paper were obtained the EU FP7 POF-PLUS...
It is shown that a prechirping of the input solitons can reduce dispersive wave created by focal mismatch between linear and nonlinear effects on link with large amplifier spacing (Z/sub A//spl ges/50 km) small dispersion length c/<Z/sub A/). This technique to be compatible chirped (bandwidth limited) amplification increase its domain application.
Frequency division multiplexing/frequency multi-access passive optical networks are shown to provide a possible solution in terms of performance, manufacturability and cost the specification second next generation access systems (NG-PON2). The upstream capacity particular implementation is experimentally evaluated, required network unit silicon photonics analyzed, as this complementary-metal-oxide-semiconductor-compatible technology well suited for mass market applications.
The meaning of broadband connection is in continuous evolution. FTTH and ever-improving ADSL technologies are capable offering to the final residential user a very-high-performance access network main door our homes. At same time, high-definition interactive video will require higher bit rates inside home. Both drivers lead requirement for high-quality networking also homes, avoid somehow ironic, but indeed possible situation which home area becomes actual bottleneck full system. In this...
Silicon photonics technology is now gaining maturity with increasing levels of design complexity from devices to large photonic integrated circuits. Close integration control electronics 3D assembly and CMOS opens the way high-performance computing architectures partitioned in chiplets connected by optical NoC on silicon interposers. In this paper, we give an overview our works links for manycore systems, low-level high-level system optimization communications. We detail POPSTAR topology...
Phase change materials for reconfigurable photonic integrated circuits Pierre Noé, Benoît Cluzel, Stéphane Malhouitre, and Charbonnier, discuss phase circuits. Phase-change (PCMs) have gained increasing interest over the past decade their potential in applications. This article reviews properties, key advantages competing technologies, challenges limiting widespread adoption.
Home area networks will have to deal with the future multigigabit wireless systems that are emerging or under development . These millimeter-wave radio achieve data rates up several Gb/s per channel, but over short distance. So, expand coverage, we propose introduce a radio-over-fiber (RoF) infrastructure at home. This paper presents complete study of RoF system: 60 GHz coverage is extended using link working intermediate frequency two hops in air. An experimental setup such an has been...
This letter reports on an Echelle grating demultiplexer for dense wavelength-division-multiplexing applications with 16 channels and 100 GHz channel spacing. The is designed fabricated a silicon-on-insulator platform silicon guiding layer of 300 nm. measured insertion losses the are lower than 2 dB all crosstalk below 15 dB. Error free transmission was obtained negligible penalty.
This paper summarizes recent advances of integrated hybrid InP/silicon-on-insulator lasers and transmitters based on a wafer bonding technique. First, directly modulated III-V/Si tunable with an external ring resonator filter are demonstrated, enabling the improvement dynamic extinction ratio. An efficient is then reported mainly for access applications. Finally, results distributed feedback laser electro-absorption modulator at 1.3 μm presented, showing capability operation up to...
We report ultra-low propagation losses in silicon sub-micrometric waveguides on a 200 mm CMOS compatible photonics platform. show median C-band (O-band) as low 0.1 dB/cm and 0.7 (0.14 1.1 dB/cm) monomode rib strip waveguides, respectively, thanks to H2 smoothing annealing. In addition the significant loss reduction, we that performance characteristic of main passive active components platform are preserved or even improved by process.
The potential use of radio over fiber techniques (RoF) is analyzed and discussed in the context recent large scale optical deployments Europe for broadband access but as well home or in-building networks to provide very high data rates end-users harmony with expected evolution connections. Main challenges RoF include current toward an all IP network, rapidity which evolve lack standardization work.
Future multigigabit wireless systems (MGWS) dedicated to home-area networking are emerging or under development. They achieve high data rate up 5–6 Gb/s over short range. To expand the radio coverage, we propose radio-over-fiber (RoF) architectures, from most basic (point-to-point) innovative (multipoint-to-multipoint). These RoF infrastructures combine and optical links. The simple way implement technology is manage media, either using information physical (PHY) layer media access control...
<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> This paper investigates hybrid fiber-radio networks for in-building distribution of ultrawideband (UWB) signals, in order to extend UWB radio coverage area. An original multipoint UWB-over-fiber system, proposed the frame BILBAO project, is presented and discussed. System link gain noise figure are evaluated through theoretical analysis. A simulation model used study impact E/O transceivers...
The highly promising linear and nonlinear optical properties of innovative thin films GeSe 1– x Te chalcogenide materials in the amorphous as‐deposited state, after crystallization, are revealed here. These alloys bridge gap between two families materials: glasses (GeSe) phase‐change (GeTe). Their unique make them attractive candidates for reconfigurable photonic applications infrared. In this context, it is shown how, by varying content films, possible to tailor their optimize a wide range...
The integration of phase change materials (PCMs) with photonic devices creates a unique opportunity for realizing application-specific, reconfigurable, and energy-efficient components zero static power consumption low thermal crosstalk. In particular, waveguides based on silicon or nitride can be integrated PCMs to realize nonvolatile memory cells, which are able store data in the state PCMs. We delve into performance comparison PCM-based programmable cells platforms using known (GST GSST)...
In this paper, we demonstrate and compare experimentally two techniques achieving very high-data-rates (> 1 Gb/s) wireless transmission in the 60 GHz window using radio over fiber (RoF) for reach extension. The first RoF link is based on a 10 vertical-cavity surface-emitting laser uses multimode fiber. signal transported an intermediate frequency of 4.5 electrically upconverted to after optical link. second upconversion from by direct modulation mode-locked Fabry-PEacuterot whose...