22 - 26 September 2013
ICC London ExCeL, UK

Invited papers

 

Monday Invited

 

Mo.3.A.1 • 14:00 Invited
A Review of Few-Mode Fibers for Space-Division Multiplexed Transmissions
P Sillard1, D Molin1; 1Prysmian Group, France
A review of the most recent advances on both weakly-coupled and strongly-coupled few-mode fibers is presented. The challenge of increasing the number of LP modes that can actually be used is also discussed.

 

Mo.3.C.1 • 14:00 Invited
Spectrally-Sliced Coherent Receivers for THz Bandwidth Optical Communications
N K Fontaine1; 1Bell Labs, Alcatel-Lucent, USA
Spectrally-sliced coherent receivers measure wideband signals in many narrowband slices using efficient optical wavelength demultiplexing, an optical frequency comb (OFC), and an array of coherent receivers. We will show measurements of 214~GBd QPSK after 3200~km transmission.

 

Mo.3.C.2 • 14:30 Invited
Progress in InP-based photonic components and sub-systems for digital coherent systems at 100Gbit/s and beyond
W Forysiak1; 1Oclaro Technology Ltd, UK
Digital coherent technology has enabled a new generation of WDM transmission systems with increased capacity and robust performance. We review recent progress in InP-based photonic components and sub-systems to enable cost-effective, compact and scalable new transceiver solutions for 100Gbit/s and beyond, and discuss future directions and challenges.

 

Mo.3.F.1 • 14:00 Invited
Heterogeneous access fiber networks enabled by multi-wavelength PONs and virtualization
R Heron1; 1FTTH Technologies, Alcatel-Lucent, Ottawa, Canada

Once devoted solely to FTTH, access fiber must increasingly support enterprises, G.FAST nodes, multi-operator uses and mobile backhaul/fronthaul for small cells. These heterogeneous networks will be supported in an operationally efficient way by multi-wavelength PONs and increasing virtualization.

 

Mo.3.F.4 • 15:00 Invited
Small cell optical mobile backhauling: architectures, challenges and solutions Laraqui1; 1Ericsson Research, Sweden
Small cell optical backhauling brings forth new challenges and opportunities in connecting radio access to service edge. These relate in particular to macro cells and optical distribution networks, network demarcation, control and management architectures, and convergence with fixed broadband access.

 

Mo.4.A.1 • 16:00 Invited Submission
Orbital Angular Momentum Transmission

Alan Willner1; 1University of South California, USA

This paper will discuss recent advances in using orbital angular momentum as a domain for multiplexing multiple data channels to increase capacity and spectral efficiency. We will describe Tbit/s transmission results as well as basic demonstrations of switching and networking functions.


Mo.4.B.1 • 16:00 Invited
Heterogeneous integration of active semiconductors with silica-based PLC
Y Kurata1; 1NTT Photonics Labs., Japan
We review recent advances on the heterogeneous integration of active semiconductors for a silica-based PLC platform. We present the key fabrication techniques and describe the performance of a compact DP-QPSK receiver with heterogeneously integrated high-speed PDs.

 

Mo.4.B.4 • 17:00 Invited
Recent advances in electrically pumped Ge lasers
J Michel1; 1Massachusetts Institute of Technology, USA
Electrically pumped Ge lasers, integrated on a CMOS platform, are promising candidates as integrated lightsources for on-chip photonic systems. The wide gain spectrum from 1520 nm to 1700 nm makes the Ge lasers ideal light sources for WDM applications. There are two main challenges for efficient electrically pumped Ge lasers, high n-type doping concentration and low-loss coupling from Ge waveguides to Si waveguides. The high n-type doping is necessary to overcome the indirect bandgap of Ge and reach gains comparable to other compound semiconductor lasers. We will show that an in-situ delta doping process will yield active Phosphorous concentrations of about 5 x 10^19 cm^-3. The first demonstrated lasers were made from Ge waveguides and did not couple light to Si waveguides, commonly used for on-chip photonic systems. Due to the large refractive index difference between Ge (4.0) and Si (3.5) low loss coupling from a Ge waveguide to a Si waveguide is challenging but a requirement for efficient Ge lasers. We will discuss the different device designs to provide low loss coupling for low threshold lasing.

 

Mo.4.D.5 • 17:00 Invited
Challenges and opportunities of MIMO processing for optical transport systems
S Bigo1, M Salsi1, O Bertran-Pardo1, J Renaudier1, G Charlet1; 1Alcatel-Lucent Bell Labs, France
We recall the basics of digital MIMO processing for polarization-division demultiplexing and mode-division demultiplexing and draw some similarities/differences with radio applications. We illustrate the impact of nonlinearities on the mitigation of mode coupling and discuss the challenges of mode-dependent gain in a multimode optical amplifier.

 

Mo.4.E.1 • 16:00 Invited
Optical Packet and Circuit Integrated Networks and SDN Extensions
H Harai1; 1NICT, Japan
An optical packet and circuit integrated network (OPCInet) provides high-speed inexpensive service and dedicated bandwidth service to end users. It provides large switching capacity, low energy consumption and high flexibility to network service providers. This paper addresses OPCInet development and extension to GUI-based software-defined network.

 

Mo.4.F.4 • 16:45 Invited
High-Speed Electronics for Short-Link Communication
J Bauwelinck1, R Vaernewyck1, J Verbrugghe1, W Soenen1, B Moeneclaey1, C Van Praet1, A Vyncke1, G Torfs1, Xin Yin1, Xing-Zhi Qiu1, J Vandewege1, N Sotiropoulos2, H De Waardt2, R Cronin3, G Maxwell3, T Tekin4, P Bakopoulos5, C P Lai6, P D Townsend6; 1INTEC/IMEC, Ghent University, Belgium; 2Eindhoven University of Technology, Netherlands; 3CIP Technologies, UK; 4Fraunhofer IZM, Germany; 5National Technical University of Athens, Greece; 6Tyndall National Institute, Ireland
High-speed electronic integrated circuits are essential to the development of new fiber-optic communication systems. Close integration and co-design of photonic and electronic devices are becoming more and more a necessity to realize the best performance trade-offs. This paper presents our most recent results and a brief introduction to our research in recently started EU projects.

 

 

Tuesday Invited


Tu.1.B.1 • 09:00 Invited
Advanced Optical Components for Access and Datacenters
D Piehler1; 1NeoPhotonics, USA
The development of advanced optical technologies for broadband access networks is compared to current development of advanced optical interconnects for datacenter networks. Based on identified parallels and synergies, predictions are made.

 

Tu.1.D.1 • 09:00 Invited
Spectral Shaping for High Spectral Efficiency in Long-Haul Optical Transmission Systems
M Mazurczyk1; 1TE SubCom, USA
We transmit 30 Tb/s capacity over 7,200 km and 21 Tb/s capacity over 10,300 km at high spectral efficiency using EDFA only amplification. Advanced digital signal processing including spectral shaping is used to achieve these results.

 

Tu.1.D.4 • 10:00 Invited
Ultra-Long-Haul MCF Transmission Systems
H Takahashi1, T Tsuritani1; 1KDDI R&D Laboratories, Japan
The multicore fiber (MCF) transmission technologies is a promising candidate for next generation optical fiber communication system. In this paper, we review the feasibility of the MCF transmission repeatered by multicore EDFA for ultra-long-haul transmission.

 

Tu.1.E.3 • 09:30 Invited
DSP for high spectral efficiency 400G transmission
Xiang Zhou1; 1AT&T Labs Research, USA
This paper presents an overview of several advanced digital signal processing (DSP)- enabled technologies recently demonstrated for high spectral efficiency (SE) 400Gb/s-class transmission, including the SE-adaptable time-domain hybrid QAM, transmitter-side digital spectral shaping, and training-assisted carrier phase recovery.

 

Tu.1.F.5 • 10:00 Invited
Integrated Microwave Photonics for access systems
J Capmany1, P Muñoz1,2; 1ITEAM Research Institute, Universitat Politecnica de Valencia, Spain; 2VLC Photonics S.L, Universitat Politecnica de Valencia, Spain
We review the recent advances in integrated microwave photonics. Desired functionalities for access systems and converged fiber-wireless networks are identified. Some of the relevant progress in the principal technology platforms is described

 

Tu.3.A.1 • 14:00 Invited
Precise Tailoring of Longitudinal Acoustic Property of Optical Fibers by a Hydrogen-loading Technique
Dong1, Kong1, T Hawkins1; 1ECE/COMSET, Clemson University, USA
We have demonstrated for the first time a post-processing technique using hydrogen loading and subsequent UV exposure to implement precise longitudinally-tailored acoustic property along a fiber for optimal SBS suppression. Local acoustic velocity can be modified by ~3%, leading to ~500MHz change in Brillouin frequency at ~1micron, equivalent to ~10dB SBS suppression.

 

Tu.3.B.1 • 14:00 Invited
High performance MEMS-based micro-optic assembly for multi-lane transceivers
B Pezeshki1; 1Kaiam Corp., USA
Advanced transceivers generally require multi-lane approaches, which necessitates the integration of multiple subcomponents. The use of mature, generally available, and low-cost single element components such as EMLs, silica PLCs, and direct-mod DFBs, integrated in a hybrid fashion and optically aligned with MEMS, provides a practical solution.

 

Tu.3.C.1 • 14:00 Invited
Bandwidth-Variable Transceivers Based on 4D Modulation Formats for Future Flexible Networks
J K Fischer1, S Alreesh2, R Elschner1, F Frey1, M Nöelle1, Colja Schubert1; 1Photonic Networks and Systems, Fraunhofer Heinrich Hertz Institute, Germany; 2 Technische Universität Berlin, Fachgebiet Nachrichtentechnik, Germany
We discuss technology options for bandwidth-variable transceivers which are key components for the realization of flexible software-defined optical networking. In particular, we focus on recent advances in four-dimensional modulation formats and in modulation format transparent data-aided digital signal processing.

 

 

Wednesday Invited

 

We.1.B.1 • 09:00 Invited
Optical Modulators for Advanced Digital Coherent Transmission Systems
H Yamazaki1, T Goh1, T Saida1; 1NTT Photonics Laboratories, Japan
Advanced optical modulators for future digital coherent transmission systems are being explored. In this paper, a dual-carrier modulator for 400-Gbps transmission, a linear IQ modulator suitable for a DAC-based transmitter, and a simple PS-QPSK modulator are reviewed.

 

We.1.E.1 • 09:00 Invited
Evolution of Traffic Grooming from SDH/SONET to Flexible Grid
Shuqiang Zhang1, M Tornatore2, Gangxiang Shen3, B Mukherjee1; 1University of California, Davis, USA; 2Politecnico di Milano, Italy; 3Soochow University, China
We review the evolution of traffic grooming from SDH/SONET to evolutionary flexible-grid and elastic-rate technologies and summarize the relevant issues. Sliceable optical transponder is identified as a novel technology that could potentially impact the future grooming paradigm.

 

We.1.F.1 • 09:00 Invited
Access Networks Based on Tunable Transmitters
K Grobe1; 1ADVA Optical Networking SE, Germany
State-of-the-art, prospects and problems of access based on tunable lasers are discussed. Potential advantages over competing approaches (seeded reflective transmitters) include higher bit-rate x reach products. Main problem is the lack of availability of low-cost tunables. Here, protection of other tunable-laser markets is required.

 

We.2.A.1 • 11:00 Invited
x³ Processes in High Numerical Optical Fibers and Fiber Tapers
Lee1, M I M Khudus1, R Ismaeel1, C Codemard2, N G R Broderick3, G Brambilla1; 1ORC, University of Southampton, UK; 2Department of Physics, University of Auckland, New Zealand; 3Advanced Laser Laboratory, SPI Labs, Optoelectronics Research Centre, UK
Intermodally phase matched up- and down-conversion processes based on the third order nonlinearity can be used to efficiently generate UV and mid-IR wavelength regions in solid core silica optical fibers and optical fiber tapers

 

We.2.B.1 • 11:00 Invited
Monolithic Silicon Photonic Circuits Enable 112-Gb/s PDM-QPSK Transmission over 2560-km SSMF
Dong1, Liu1, S Chandrasekhar1, L L Buhl1, R Aroca1, Y Baeyens1, Young Chen1; 1Bell Labs, Alcatel-Lucent, USA;
Using silicon photonic integrated circuits (PICs), we demonstrate the generation, transmission over 2560-km standard single-mode fiber, and detection of 112-Gb/s polarization-division-multiplexed quadrature phase-shift keying signals. These silicon-based PICs promise compact, low-power-consumption, and low-cost coherent transceivers.

 

We.2.D.3 • 11:30 Invited
Multi-core Fiber Transmission Technologies for Peta b/s per Fiber Capacity
H Takara1; 1NTT Network Innovation Laboratories, NTT Corporation, Japan
Recent development on transmission technologies based on multi-core space-division-multiplexing is described, enabling well over Peta bit/s per fiber link capacity.

 

We.2.E.1 • 11:00 Invited
What is the benefit of elastic superchannel for WDM network?
T Zami1; 1Alcatel-Lucent, France
We discuss the benefits and compromises of elastic spectral efficiency implemented with Nyquist superchannels for the WDM mesh networks featuring static or incremental traffic

 

We.3.B.3 • 14:30 Invited
High-Speed Silicon-Organic Hybrid (SOH) Modulator with 1.6 fJ/bit and 180 pm/V In-Device Nonlinearity
R Palmer1, S Koeber1, W Heni1, D L Elder2, D Korn1, Hui Yu3, L Alloatti1, S Koenig1, P C Schindler1, W Bogaerts3, M Pantouvaki4, G Lepege4, P Verheyen4, J Van Campenhout4, P Absil4, R Baets3, L R Dalton2, W Freude1, J Leuthold5,1, C Koos1; 1Karlsruhe Institute of Technology, Institutes IPQ and IMT, Germany; 2Department of Chemistry, University of Washington, USA; 3IMEC Photonics Research Group, Ghent University, Belgium; 4IMEC vzw., Belgium; 5Electromagnetic Fields & Microwave Electronics Laboratory, ETH-Zurich, Switzerland
We report on a 40Gbit/s silicon-organic hybrid (SOH) modulator with 11dB extinction ratio. A novel electro-optic chromophore with record in-device nonlinearity of 180pm/V leads to VπL=0.5Vmm and a low energy consumption of 1.6fJ/bit at 12.5Gbit/s.

 

We.3.B.4 • 15:00 Invited
High-speed Silicon Modulators
Chu1, Xiao1, Xu1, Li1, Li1, Yu1, Yu1; 1Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, CAS, China
Several high-speed silicon modulators are demonstrated, including a 60-Gbps MZI modulator with 1.6-dB optical loss, a 25-Gbps microring modulator with misalignment-tolerant interleaved PN junctions, a 60-Gbps microring resonator modulator and a 4x50 Gbps WDM modulator.

 

We.3.D.3 • 14:30 Invited
Nonlinear Equations of Propagation in Multi-Mode Fibers with Random Mode Coupling
A Mecozzi1, C Antonelli1, M Shtaif2; 1Physical and Chemical Sciences Department, University of L'Aquila, Italy 2Tel Aviv University, Israel
We review the fundamental equations describing nonlinear propagation in multi-mode fibers in the presence of random mode coupling within quasi-degenerate groups of strongly coupled modes. Our results generalize to the multi-mode propagation regime the Manakov equation describing mode coupling between polarizations in single-mode fibers.

 

We.3.E.1 • 14:00 Invited
Control plane solutions for dynamic and adaptive flexi-grid optical networks
R Muñoz1, R Casellas1, R Martínez1, R Vilalta1; 1Optical Networks and Systems, Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Spain
We present an overview of control plane architectures for dynamic and adaptive provisioning and rerouting of elastic optical connections. First, distributed control plane architectures combining GMPLS with stateless and stateful PCEs are discussed. Next, we detail different deployment models of the PCE in the OpenFlow centralized control plane

We.4.A.1 • 16:00 Invited
Multicore Erbium Doped Fiber Amplifiers for Space Division Multiplexed System
K Abedin1, T Thierry1, J Fini1, Man F. Yan1, B Zhu1, E Monberg1, F V Dimarcello1, V R Supradeepa1, D DiGiovanni1; 1OFS Laboratories, USA
We report on recent development of core- and cladding-pumped multicore fiber amplifiers suitable for amplifying space division multiplexed signals. Amplification, noise properties of these amplifiers are shown, and scopes for further development will be discussed

 

We.4.C.3 • 16:30 Invited
100 Gbit/s Using Intensity Modulation and Direct Detection
J C Cartledge1, A S Karar1; 1Dept. of Electrical and Computer Engineering, Queen's University, Canada
Recent advances in short reach 100 Gbit/s intensity modulation and directed detection systems are reviewed with a focus on 16-QAM half-cycle Nyquist subcarrier modulation, generated using a directly modulated passive feedback laser and polarization multiplexing emulation.

 

We.4.D.3 • 16:30 Invited
Nonlinear Fiber Capacity
E Agrell1; 1 Dept. of Signals and Systems, Chalmers University of Technology, Sweden
In this semi-tutorial presentation, we review fundamental information theory for links with and without memory, in the linear and nonlinear regimes. A comparison between channel models with long (but finite) memory and infinite memory yields an unexpected result.

 

We.4.F.3 • 16:30 Invited
Photonic-assisted RF transceiver
A Bogoni1, P Ghelfi1,, F Laghezza1, F Scotti1, G Serafino2, S Pinna2,; 1CNIT, Italy; 2Scuola Superiore Sant'Anna, Italy
The concept of photonics-assisted RF transceiver will be detailed. It provides extremely stable multiprotocol signals up to the millimeter waveband, and it optically samples directly at RF multiple heterogeneous RF signals, with increased resolution.

 

 

Thursday Invited


Th.1.A.4 • 09:45 Invited
Parallel Optical Interconnectors for Data Centre Applications
M Fields1; 1Avago Technologies, USA
The MicroPOD 12x10G transmitter and receiver board-mounted optical modules were released in 2010. Today, more than 1.5 million units are deployed across a variety of applications. We provide an update on the MicroPOD experience including lessons learned. We introduce a 12x25G board-mounted optics platform that incorporates these lessons.

 

Th.2.A.1 • 11:00 Invited
Multi-Band OFDM Transmission with Sub-band Optical Switching
E Pincemin1, Mengdi Song1, J Karaki1, A Poudoulec2, N Nicolas2, M Van der Keur2, Y Jaouen3, P Gravey4, M Morvan4, G Froc5; 1Orange Labs, France; 2Yenista Optics, France; 3Télécom ParisTech, France; 4Télécom Bretagne, France; 5Mitsubishi Electric Research Center Europe, France
We demonstrate that optical add-drop of OFDM sub-bands as narrow as 8 GHz inside a 100 Gbps DP-MB-OFDM signal constituted of four sub-bands spaced by 12 GHz is feasible in the middle of a 10x100-km DCF-free G.652 fibre line.

 

Th.2.C.5 • 12:00 Invited
Modal Statistics in Mode-Division-Multiplexed Systems
J M Kahn1, Keang-Po Ho2; 1Stanford University, USA; 2Silicon Image, USA
The performance and complexity of mode-division-multiplexing systems depend on the statistics of modal gains/losses and group delays. Under strong mode coupling, these statistics may be derived from the eigenvalue distributions of random matrices. Strong coupling optimizes performance and minimizes complexity.

 

Th.2.D.1 • 11:00 Invited
1306-km 20x124.8-Gb/s PM-64QAM Transmission over PSCF with Net SEDP 11,300 (b km)/s/Hz using 1.15 samp/symb DAC
A Nespola1, S Straullu1, G Bosco2, A Carena2, Y Jiang2, P Poggiolini2, F Forghieri3, Y Yamamoto4, M Hirano4, T Sasaki4, J Bauwelinck5, K Verheyen5; 1PhotonLab, ISMB, Italy; 2DET, Politecnico di Torino, Italy; 3Cisco Photonics, Italy; 4Sumitomo Electric Industries, Japan; 5INTEC/IMEC, Ghent University, Belgium
We demonstrated PM-64QAM, 20x124.8-Gb/s Nyquist-WDM over 1306 Km of PSCF in an EDFA-only system configuration. The raw SE was 10.4b/s/Hz, thanks to digital spectral shaping. The Tx DACs operated at a record-low 1.15 sample/symb. The SEDP was 11,327 (b km)/s/Hz.

 

Th.2.E.1 • 11:00 Invited
Synthetic Photonic Nodes for the Future Photonic Network
M Fukui1, A Hiramatsu1, T Tsuritani2, K Kitayama3; 1NTT, Japan; 2KDDI R&D Laboratories, Japan; 3Osaka University, Japan
A synthetic photonic node consists of an array of the photonic network processors and reconfigurable optical interconnections. It enables to dynamically synthesize variety of optical node functions by software on the processors. Its concept and some use cases are presented.




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