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Efficient self-aligning multibeam coupling into a single-mode fiber

M. Snowbell, N. Strasman, B. Fischer, M. Cronin-Golomb
1995 Journal of Lightwave Technology  
We present and demonstrate a method for efficient coupling of many beams into a single-mode fiber.  ...  Using the phase conjugating property for mutually incoherent beams of the Double Phase Conjugate Mirror (DPCM), we achieved coupling for a full 6x6 matrix of beams into a single-mode fiber.  ...  ACKNOWLEDGMENT We acknowledge the support and many helpful discussions with 0. Levin, Head of the Switching Technologies Department Division of "Bezeq-The Israel Telecommunication Corp."  ... 
doi:10.1109/50.350646 fatcat:2vomfwr2irfk3ly3izt3qyd3g4

Ultrafast Optical Techniques for Communication Networks and Signal Processing [chapter]

Bhavin J. Shastri, John Chang, Alexander N. Tait, Matthew P. Chang, Ben Wu, Mitchell A. Nahmias, Paul R. Prucnal
2015 Springer Series in Optical Sciences  
Analog optical signal processing techniques, or microwave photonics, provides an ideal platform for processing wireless information before it is transported to data aggregation centers by fibers.  ...  The backhaul of nearly all wireless data networks is fiber-optic.  ...  Beam-steering is done by adaptive antenna arrays with processing done all-optically by MPFs.  ... 
doi:10.1007/978-3-319-14992-9_15 fatcat:rvrgup7ovjf5ppumxujijyyhzu

2020 Index IEEE Photonics Journal Vol. 12

2020 IEEE Photonics Journal  
., +, JPHOT April 2020 7200712 Rate Analysis of Intensity Modulated Broadcast Optical Mobile Communication System With User Mobility.  ...  ., +, JPHOT Feb. 2020 6100117 Spatial-Dependent Hamiltonian Formulation of Cross-Mode Modulation.  ...  Light interferometry Fourier and Inverse Fourier Transform Model for Delayed Self-interferometry System. Zhang  ... 
doi:10.1109/jphot.2021.3050278 fatcat:lbfms2rznnhurdanu5rfora5pe

Optical MEMS for Lightwave Communication

Ming C. Wu, Olav Solgaard, Joseph E. Ford
2006 Journal of Lightwave Technology  
Broadband devices include optical switches, crossconnects, optical attenuators, and data modulators, while wavelength-selective components encompass wavelength add/drop multiplexers, wavelength-selective  ...  Integration of MEMS and planar lightwave circuits, microresonators, and photonic crystals could lead to further reduction in size and cost.  ...  WSXC can also be constructed by integrating wavelength demultiplexing directly into the free-space optical switch fabric.  ... 
doi:10.1109/jlt.2006.886405 fatcat:gh77wwlueregdi6acklu4l2qay

Tunable optical delay line based on single-sideband suppressed-carrier modulation

J. Palaci, B. Vidal
2013 IEEE Photonics Technology Letters  
This thesis is focused on the application of vector processing in the optical domain to radiofrequency signals in two fields of application: optical beamforming, and photonic vector modulation and demodulation  ...  , routing and switching, optical sampling, tone generation, delay control, beamforming and photonic generation of digital modulations, and even a combination of several of these functionalities.  ...  The WDM beam signal compounds are separated spatially by a wavelength filter and illuminate a separate portion of a phase-only spatial light modulator (PSLM) array.  ... 
doi:10.1109/lpt.2012.2227697 fatcat:e5uasvwjd5ckvcllvynughtbg4

IP over WDM [chapter]

2009 Optical WDM Networks  
and provisioning inside the transport network, an allow fast and cheap optical switching.  ...  In parallel the Internet transport infrastructure is moving towards a model of high-speed routers interconnected by optical core networks.  ...  Crosstalk can be introduced by almost any WDM component, including optical filters, wavelength multiplexers and demultiplexers, optical switches, optical amplifiers and by the fiber itself.  ... 
doi:10.1109/9780470545447.ch7 fatcat:s4ddocdvirb7dk4icir3ti7y7u

5G PPP Architecture Working Group - View on 5G Architecture, Version 3.0

Simone Redana, Ömer Bulakci, Christian Mannweiler, Laurent Gallo, Apostolos Kousaridas, David Navrátil, Anna Tzanakaki, Jesús Gutiérrez, Holger Karl, Peer Hasselmeyer, Anastasius Gavras, Stephanie Parker (+1 others)
2019 Zenodo  
Capitalizing on the architectural vision and framework set by the first version of the white paper, the Version 2.0 of the white paper was released in January 2018 and presented the latest findings and  ...  concepts from 5G PPP Phase 1 projects and initiatives.  ...  By tuning the phases of the OBFN matrix elements the generated beams can be steered. Two OBFN variants have been proposed for investigation in [3-40], namely a coherent and an incoherent OBFN.  ... 
doi:10.5281/zenodo.3265030 fatcat:ctlelszvm5fdfodlequre424wa

Parameter survey of a rib stiffened wooden floor using sinus modes model

Lars‐Göran Sjökvist, Jonas Brunskog, Finn Jacobsen
2008 Journal of the Acoustical Society of America  
A grouping of the churches by typology was found by analysing the reverberation times; 3.  ...  The most representative churches ͑San Marco, Parish churches, hospitals and monasteries͒ were selected for this study and the music was performed within them by the Choir of St John's College of Cambridge  ...  Temporal and spatial coherence of low frequency acoustic modes in shallow water.  ... 
doi:10.1121/1.2933934 fatcat:fmeouf2iynctnculdxzvoqb4iu

Spherical near field acoustic holography with microphones on a rigid sphere

Finn Jacobsen, Jo/rgen Hald, Efrén Fernandez, Guillermo Moreno
2008 Journal of the Acoustical Society of America  
A grouping of the churches by typology was found by analysing the reverberation times; 3.  ...  The most representative churches ͑San Marco, Parish churches, hospitals and monasteries͒ were selected for this study and the music was performed within them by the Choir of St John's College of Cambridge  ...  Temporal and spatial coherence of low frequency acoustic modes in shallow water.  ... 
doi:10.1121/1.2934035 fatcat:57w2rziyfvcmnnyzsxlgg43qxa

Measurement of total sound energy density in enclosures at low frequencies

Finn Jacobsen
2008 Journal of the Acoustical Society of America  
A grouping of the churches by typology was found by analysing the reverberation times; 3.  ...  The most representative churches ͑San Marco, Parish churches, hospitals and monasteries͒ were selected for this study and the music was performed within them by the Choir of St John's College of Cambridge  ...  Temporal and spatial coherence of low frequency acoustic modes in shallow water.  ... 
doi:10.1121/1.2934233 fatcat:vuavezpbsnabxmhi4jlbvbwgly

Versatile shaping of optical frequency combs and applications

Jianqi Hu
2021
Christophe Moser, and jury members Prof. José Azaña, Prof. Chen-Bin Huang, and Prof. Tobias J. Kippenberg for reviewing and commenting my thesis work.  ...  Jijun He for the help in the experiments and Dr. Junqiu Liu for fabricating the samples. The results we got are fruitful.  ...  Acknowledgements First and foremost, I would like to express my deepest gratitude to my thesis supervisor, Prof. Camille-Sophie Brès. Four years ago, she encouraged me to pursue a direct PhD at EPFL.  ... 
doi:10.5075/epfl-thesis-10435 fatcat:nr6ohn37zveebiyynnz6ag7fh4

Future trends in microelectronics - reflections on the road to nanotechnology

1997 Precision engineering  
the data needed, and completing and reviewing the collection of information.  ...  Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188), Washington, DC 20503.  ...  Acknowledgement This work was supported by the Office of Naval Research (N00014-89-J-1470, N00014-92-J-1519 KH) and by the Army Research Office (DAAL03-92-G-0271).  ... 
doi:10.1016/0141-6359(97)90048-9 fatcat:j7blw4wn6zbitmoqqffj46g54e

An Asymmetric B-Factory Based on PEP

PIERMARIA ODDONE
1989 Annals of the New York Academy of Sciences  
Definitive measurements of both Cabibbo-allowed and Cabibbosuppressed semileptonic decay modes are possible.  ...  A wide variety of b -» c and b -> u hadronic decays are available for study, as are b -> c and b -» u semileptonic decays.  ...  Control Distribution The control system will have its processes distributed spatially and functionally.  ... 
doi:10.1111/j.1749-6632.1989.tb31331.x fatcat:px73dnxainhohjyghukw3vueue

ALICE: Physics Performance Report, Volume I

ALICE Collaboration, F Carminati, P Foka, P Giubellino, A Morsch, G Paic, J-P Revol, K Safarík, Y Schutz, U A Wiedemann (editors)
2004 Journal of Physics G: Nuclear and Particle Physics  
It currently includes more than 900 physicists and senior engineers, from both nuclear and high-energy physics, from about 80 institutions in 28 countries.  ...  ALICE is a general-purpose heavy-ion experiment designed to study the physics of strongly interacting matter and the quark-gluon plasma in nucleus-nucleus collisions at the LHC.  ...  In addition the Collaboration would like to acknowledge the contributions by S Maridor, L Ray and R Veenhof.  ... 
doi:10.1088/0954-3899/30/11/001 fatcat:kpuzyaivrnbyzjkz4lbxas4sla

Scalable optical switches: Architectures and physical layer characterization

Rathy Shankar, Université D'Ottawa / University Of Ottawa, Université D'Ottawa / University Of Ottawa
2013
The objective of this work is to investigate the scalability of various optical switches and networks by using theoretical and experimental models.  ...  The scaling of optical networks, while benefiting from optical transparency is however influenced by the accumulations of certain physical impairments, such as interference (crosstalk) and amplifier noises  ...  with an AWG (the chosen spatial group containing W wavelengths is demultiplexed as it passes through for subsequent wavelength selection stage).  ... 
doi:10.20381/ruor-13061 fatcat:qvnlv2j3rbaxzfw2m3rn3neszq
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