Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2011Impact of strategic decisions on the planning of FTTx-Networks: A case study
Louchet, H.; Richter, A.; Patzak, E.; Schlosser, M.
Conference Paper
2010Availability evaluation in shared-path-protected WDM networks with startup-failure-driven backup path reprovisioning
Ni, W.; Patzak, E.; Schlosser, M.; Zhang, H.
Conference Paper
2010FTTx-Plan - Optimierter Aufbau von FTTx Netzen. Teil B: Erweiterbarkeit bestehende passiver optischer Zugangsnetze
Louchet, H.; Patzak, E.; Richter, A.; Schlosser, M.
Conference Paper
2010On operating shared-path-protected WDM networks non-revertively by using backup path reprovisioning
Ni, W.; Patzak, E.; Schlosser, M.; Ye, Y.; Zhang, H.
Conference Paper
2010Survivable mapping with maximal physical-layer failure-localization potential in IP over transparent optical networks
Ni, W.; Ye, Y.; Schlosser, M.; Patzak, E.; Zhang, H.
Conference Paper
2009Blocking-differentiated path provisioning in semi-dynamic survivable WDM networks
Ni, W.; Schlosser, M.; Zhang, H.; Patzak, E.
Conference Paper
2009Combined Analysis of Cost and Traffic Grooming Policies for Hybrid Networks Under Dynamic Traffic Requests
Cao, Y.; Buchta, H.; Patzak, E.; Zheng, X.; Zhang, H.
Journal Article
2009Method for placing bypass capable nodes in two-layer networks
Schlosser, M.; Patzak, E.
Conference Paper
2009System performance of high-order optical DPSK and star QAM modulation for direct detection analyzed by semi-analytical BER estimation
Nölle, M.; Seimetz, M.; Patzak, E.
Journal Article
2008Analysis of the physical impairments on maximum size and throughput of SOA-based optical burst switching nodes
Buchta, H.; Patzak, E.
Journal Article
2008Integrated evaluation of performance and technology
Gauger, C.M.; Buchta, H.; Patzak, E.
Journal Article
2008Maximum size and throughput of SOA-based optical burst switching nodes with limited tuning-range wavelength converters and FDL buffers
Buchta, H.; Gauger, C.M.; Patzak, E.
Journal Article
2008Placing bypass capable nodes in two-layer networks
Schlosser, M.; Patzak, E.
Conference Paper
2007"Carrier-grade" Ethernet-Netze
Autenrieth, A.; Kirstädter, A.; Edmaier, B.; Epple, C.; Grammel, G.; Gladisch, A.; Westphal, F.-J.; Grobe, K.; Obermann, K.; Patzak, E.; Schlosser, M.; Späth, J.; Eilenberger, G.J.
Journal Article
2007Assessment of TCP performance in OBS networks with load dependent contention
Gelpke, P.; Schlosser, M.; Patzak, E.; Buchta, H.
Conference Paper
2007Carrier grade metro ethernet networks
Autenrieth, A.; Kirstädter, A.; Edmaier, B.; Epple, C.; Eilenberger, G.; Grammel, G.; Gladisch, A.; Westphal, F.J.; Grobe, K.; Obermann, K.; Patzak, E.; Schlosser, M.; Späth, J.; Eilenberger, G.J.
Conference Paper
2007Optical systems with high-order DPSK and star QAM modulation based on interferometric direct detection
Seimetz, M.; Noelle, M.; Patzak, E.
Journal Article
2007TCP performance in OBS networks with load dependent contention
Gelpke, P.; Schlosser, M.; Patzak, E.; Buchta, H.
Conference Paper
2005Impact of deflection routing on TCP performance in optical burst switching networks
Schlosser, M.; Patzak, E.; Gelpke, P.
Conference Paper
2005Impact of modulation formats and SOA chirp on the throughput of SOA based OBS nodes
Buchta, H.; Patzak, E.
Conference Paper
2004Impact of SOA gain saturation and dynamics on the throughput of optical burst switching nodes
Buchta, H.; Patzak, E.; Saniter, J.; Raub, F.
Conference Paper
2003Limits of effective throughput of optical burst switches based on semiconductor optical amplifiers
Buchta, H.; Gauger, C.; Patzak, E.; Saniter, J.
Conference Paper
2003Maximal and effective throughput of optical switching nodes for optical burst switching
Buchta, H.; Patzak, E.; Saniter, J.; Gauger, C.
Conference Paper
2003Optical switching and bit rates of 40 Gbit/s and above
Ackaert, A.; Demester, P.; O'Mahony, M.; Tromborg, B.; Erasme, D.; Patzak, E.; Saniter, J.
Conference Paper
2003Performance meets technology - an integrated evaluation of OBS nodes with FDL buffers
Gauger, C.M.; Buchta, H.; Patzak, E.; Saniter, J.
Conference Paper
2002Methods for stabilizing the gain of EDFAs in burst switching optical networks
Feng, H.; Patzak, E.; Saniter, J.
Journal Article
2002Network architectures for optical burst switching in "broadcast and select" switching
Feng, H.; Patzak, E.; Saniter, J.
Conference Paper
199980 Gbit/s transmission over 106 km standard-fiber using optical phase conjugation in a Sagnac-interferometer
Feiste, U.; Ludwig, R.; Schmidt, C.; Dietrich, E.; Diez, S.; Ehrke, H.J.; Patzak, E.; Weber, H.G.
Conference Paper
199980-Gb/s transmission over 106-km standard-fiber using optical phase conjugation in a Sagnac-interferometer
Feiste, U.; Ludwig, R.; Schmidt, C.; Dietrich, E.; Diez, S.; Ehrke, H.J.; Patzak, E.; Weber, H.G.; Merker, T.
Journal Article
1999Experimental investigations of a novel optical delay network structure for true time delay antennas at 10 GHz
Eggemann, R.; Grosskopf, G.; Patzak, E.; Rohde, D.
Conference Paper
1998Novel gain-transparent SOA-switch for high bitrate OTDM add/drop multiplexing
Diez, S.; Ludwig, R.; Patzak, E.; Weber, H.G.
Conference Paper
1997Large-signal analysis of all-optical wavelength conversion using two-mode injection-locking in semiconductor lasers
Hörer, J.; Patzak, E.
Journal Article
1996All-optical polarisation and wavelength independent 3R signal regenerator
Pieper, W.; Weich, K.; Ludwig, R.; Patzak, E.; Weber, H.G.
Journal Article
1996All-optical polarization and wavelength independent 3R signal regenerator
Pieper, W.; Weich, K.; Ludwig, R.; Patzak, E.; Weber, H.G.
Conference Paper
1996Four-wave mixing in semiconductor laser amplifiers: Phase matching in configurations with three input waves
Diez, S.; Ludwig, R.; Patzak, E.; Weber, H.G.; Eisenstein, G.; Schimpe, R.
Conference Paper
1996Improvement of crosstalk tolerance in optical cross connects by regenerative frequency converters
Caspar, C.; Foisel, H.-M.; Patzak, E.; Strebel, B.; Weich, K.
Conference Paper
1996Improvement of crosstalk tolerance in optical cross-connects by regenerative frequency converters
Caspar, C.; Foisel, H.-M.; Patzak, E.; Strebel, B.; Weich, K.
Journal Article
1995Photonic signal processing in fiber optic links
Patzak, E.
Conference Paper
1995Two stage polarization insensitive regenerative wavelength converter
Weich, K.; Horer, J.; Eggemann, R.; Patzak, E.; Ludwig, R.; Mohrle, M.; Schimpe, R.
Conference Paper
199410 Gbit/s all-optical clocked decision circuit using two-section semiconductor lasers
Weich, K.; Eggemann, R.; Hörer, J.; As, D.J.; Möhrle, M.; Patzak, E.
Journal Article
19942.5-Gbit/s all-optical clocked decision and retiming circuit using bistable semiconductor lasers
Welch, K.; Horer, J.; As, D.J.; Eggemann, R.; Mohrle, M.; Patzak, E.
Conference Paper
19945 Gbit/s optical switching between two injection locked modes of a semiconductor laser
Weich, K.; Patzak, E.; Horer, I.; As, D.J.; Eggemann, R.; Mohrle, M.
Conference Paper
1994Fast all-optical switching using two-section injection-locked semiconductor lasers
Weich, K.; Patzak, E.; Hörer, J.
Journal Article
1994High speed all-optical functional elements using injection locked semiconductor lasers
Hörer, J.; Weich, K.; Möhrle, M.; Patzak, E.; Sartorius, B.
Conference Paper
1994Injection locked laser as wavelength converter and optical regenerator up to 10 Gbit/s
Weich, K.; Horer, J.; Patzak, E.; As, D.J.; Eggemann, R.; Mohrle, M.
Conference Paper
1993Clock recovery based on a new type of selfpulsation in a 1.5 mu m two-section InGaAsP-InP DFB laser
As, D.J.; Eggemann, R.; Feiste, U.; Möhrle, M.; Patzak, E.; Weich, K.
Journal Article
1993Optical frequency multiplex technique: principles, applications, and potential
Bachus, E.-J.; Grosskopf, G.; Heidrich, H.; Helmolt, C. von; Meissner, P.; Patzak, E.; Saniter, J.; Strebel, B.; Walf, G.; Weber, H.-G.
Journal Article
1991Optical signal processing using semiconductor laser amplifiers
Weber, H.G.; Grosskopf, G.; Ludwig, R.; Patzak, E.; Schnabel, R.
Conference Paper
1990Balanced 3*3 port phase diversity receiver with reduced impact of thermal noise
Langenhorst, R.; Patzak, E.; Pieper, W.
Journal Article
1990Limitations of phase noise cancellation due to time delay and filtering
Patzak, E.; Foisel, H.-M.; Gross, R.
Conference Paper
1989Calculation of bit error rate in DPSK system with interfering echoes from optical amplifier chain
Patzak, E.
Journal Article
1989Semiconductor laser optical amplifiers for multichannel coherent optical transmission
Dietrich, E.; Enning, B.; Grosskopf, G.; Kuller, L.; Ludwig, R.; Molt, R.; Patzak, E.; Weber, H.G.
Journal Article
1989Sensitivity degradation of conventional and balanced 3*3 port phase diversity DPSK receivers due to thermal and local oscillator intensity noise
Patzak, E.; Lancenhorst, R.
Journal Article
1989Signal processing in an optical polarization diversity receiver for 560-Mbit/s ASK heterodyne detection
Enning, B.; Vodhanel, R.S.; Dietrich, E.; Patzak, E.; Meissner, P.; Wenke, G.
Journal Article
1988Influence of IF-filtering on bit error rate floor in coherent optical DPSK-systems
Patzak, E.; Meissner, P.
Journal Article
1988Theoretical investigation of local oscillator intensity noise in optical homodyne systems
Gross, R.; Meissner, P.; Patzak, E.
Journal Article
1986Homogeneous linewidth and linewidth enhancement factor for a GaAs semiconductor laser
Sugimura, A.; Patzak, E.; Meissner, P.
Journal Article
1986Investigation of linewidth and side-mode suppression for a DBR laser with integrated passive waveguide
Meissner, P.; Patzak, E.
Journal Article
1986Reliable laboratory transmitter with submegahertz linewidth
Wenke, G.; Patzak, E.; Meissner, P.
Journal Article
1985An analysis of the linewidth and spectral behaviour of DBR lasers
Patzak, E.; Meissner, P.; Yevick, D.
Journal Article
1985An analysis of the linewidth of DBR lasers
Patzak, E.; Meissner, P.; Yevick, D.
Conference Paper
1984A numerical investigation of lateral holeburning effects on the spectral behaviour of stripe geometry lasers
Meissner, P.; Patzak, E.; Yevick, D.
Journal Article
1984A self-consistent model of stripe geometry lasers based on the beam propagation method
Meissner, P.; Patzak, E.; Yevick, D.
Journal Article
1982Comment on 'Spontaneous emission factor of narrow-stripe gain-guided diode lasers' (and reply)
Patzak, E.; Streifer, W.; Scifres, D.R.; Burnham, R.D.
Journal Article
1982Laser mode partition noise in optical wideband transmission links
Grosskopf, G.; Kuller, L.; Patzak, E.
Journal Article
1982Modal mode partition noise in optical fiber systems
Elze, G.; Patzak, E.
Journal Article