Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019400-Gb/s Single-Photodiode Polarization-Agnostic Kramers–Kronig Reception of Distributedly Aggregated Superchannel
Sackey, I.; Elschner, R.; Schmidt-Langhorst, C.; Emmerich, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Hoshida, T.; Schubert, C.
Zeitschriftenaufsatz
2019Wavelength conversion using fiber cross-phase modulation driven by two pump waves
Watanabe, S.; Kato, T.; Tanimura, T.; Schmidt-Langhorst, C.; Elschner, R.; Sackey, I.; Schubert, C.; Hoshida, T.
Zeitschriftenaufsatz
2018Any-to-Any Signal Frequency Shifting Across Entire C-Band Using Continuously Tuneable Optical Frequency Shifter
Kato, T.; Watanabe, S.; Tanimura, T.; Schmidt-Langhorst, C.; Sackey, I.; Elschner, R.; Schubert, C.; Hoshida, T.
Konferenzbeitrag
2018Distributed aggregation and reception of a 400-Gb/s net rate superchannel in a single-photodiode 110-GHz Kramers-Kronig receiver
Sackey, I.; Schmidt-Langhorst, C.; Emmerich, R.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Hoshida, T.; Schubert, C.
Konferenzbeitrag
2018Fiber-optic frequency shifting of THz-range WDM signal using orthogonal pump-signal polarization configuration
Kato, T.; Watanabe, S.; Tanimura, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Hoshida, T.
Konferenzbeitrag
2018Waveband-Shift-Free Optical Phase Conjugator for Spectrally Efficient Fiber Nonlinearity Mitigation
Sackey, I.; Schmidt-Langhorst, C.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Hoshida, T.; Schubert, C.
Zeitschriftenaufsatz
2017Advanced polarization-insensitive optical signal processing using orthogonal signal and idler fields
Schmidt-Langhorst, C.; Elschner, R.; Sackey, I.; Kato, T.; Tanimura, T.; Watanabe, S.; Hoshida, T.; Schubert, C.
Konferenzbeitrag
2017Continuously tunable optical frequency shift of 1.6-Tb/s superchannel up to THz-range by polarization switched frequency conversion
Kato, T.; Watanabe, S.; Tanimura, T.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Hoshida, T.
Konferenzbeitrag
2017Fiber Nonlinearity Mitigation in 800-km Transmission of a 1.6-Tb/s Superchannel Using Waveband-Shift-Free Optical Phase Conjugation
Schmidt-Langhorst, C.; Sackey, I.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Hoshida, T.; Schubert, C.
Konferenzbeitrag
2017Fiber-optic signal processing using frequency conversion for optical node
Kato, T.; Watanabe, S.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Hoshida, T.
Konferenzbeitrag
2017Novel wavelength-shift-free optical phase conjugator used for fiber nonlinearity mitigation in 200-Gb/s PDM-16QAM transmission
Sackey, I.; Elschner, R.; Schmidt-Langhorst, C.; Kato, T.; Tanimura, T.; Watanabe, S.; Hoshida, T.; Schubert, C.
Konferenzbeitrag
2017THz-Range Optical Frequency Shifter for Dual Polarization WDM Signals Using Frequency Conversion in Fiber
Kato, T.; Watanabe, S.; Tanimura, T.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Hoshida, T.
Zeitschriftenaufsatz
2016Coherent optical subcarrier processing and add/drop multiplexing
Schmidt-Langhorst, C.; Richter, T.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Hoshida, T.; Schubert, C.
Konferenzbeitrag
2016Coherent-optical in-line add/drop of PDM tributaries of subcarrier multiplexed signals
Kato, T.; Tanimura, T.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Watanabe, S.
Zeitschriftenaufsatz
2016Distributed aggregation of spectrally efficient single- and dual-polarization super-channels by optical frequency conversion in fiber
Elschner, R.; Richter, T.; Schmidt-Langhorst, C.; Kato, T.; Tanimura, T.; Watanabe, S.; Schubert, C.
Zeitschriftenaufsatz
2016In-line optical signal multiplexing by polarization-insensitive fiber frequency conversion
Kato, T.; Tanimura, T.; Hoshida, T.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2016Subcarrier polarization manipulation using orthogonal dual phase-modulation in fiber
Kato, T.; Tanimura, T.; Hoshida, T.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2016THz-range optical frequency shifter for dual polarization WDM signals using frequency conversion in fibre
Kato, T.; Watanabe, S.; Tanimura, T.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Hoshida, T.
Konferenzbeitrag
2015Broadband coherent-optical add/drop multiplexing over 400-GHz bandwidth by fiber frequency conversion
Kato, T.; Tanimura, T.; Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2015Coherent subcarrier processing node based on optical frequency conversion and free-running lasers
Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Schubert, C.
Zeitschriftenaufsatz
2015Distributed 1-Tb/s all-optical aggregation capacity in 125-GHz optical bandwidth by frequency conversion in fiber
Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Molle, L.; Alreesh, S.; Kato, T.; Tanimura, T.; Watanabe, S.; Fischer, J.K.; Schubert, C.
Konferenzbeitrag
2015Efficient signal multiplexing scheme based on optical signal processing
Kato, T.; Tanimura, T.; Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2015Generation of ultra-dense superchannels using frequency conversion in optical fibers
Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
2015Spatially distributed aggregation of a polarization-division multiplexed superchannel by frequency conversion in fiber
Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Kato, T.; Tanimura, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
2015Versatile coherent in-line 4-, 16-, 32-QAM subcarrier add/drop-multiplexing by optical frequency conversion
Schmidt-Langhorst, C.; Richter, T.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
2014Coherent in-line substitution of OFDM subcarriers using fiber-frequency conversion and free-running lasers
Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
2014Coherent reception and 126 GHz bandwidth digital signal processing of CO-OFDM superchannel generated by fiber frequency conversion
Tanimura, T.; Kato, T.; Okabe, R.; Oda, S.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Rasmussen, J.C.; Watanabe, S.
Konferenzbeitrag
2014Distributed generation of a 400-Gb/s nyquist 16QAM dense superchannel by fiber-frequency conversion
Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Kato, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
2014Tolerances for add/drop operation of a coherent multiplexing node based on fiber frequency conversion
Richter, T.; Schmidt-Langhorst, C.; Elschner, R.; Kato, T.; Tanimura, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
2013Distributed ultradense optical frequency-division multiplexing using fiber nonlinearity
Elschner, R.; Richter, T.; Kato, T.; Watanabe, S.; Schubert, C.
Zeitschriftenaufsatz
2013Narrow guard-band distributed Nyquist-WDM using fiber frequency conversion
Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Kato, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
2013Precise Remote Optical Carrier Addition Into 200-Gb/s CO-OFDM Channel Using Fiber Frequency Conversion
Kato, T.; Okabe, R.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2013Removal of local frequency fluctuation in distributed coherent-optical OFDM
Kato, T.; Okabe, R.; Richter, T.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2012All-optical data frequency multiplexing on single-wavelength carrier light by sequentially provided cross-phase modulation in fiber
Watanabe, S.; Kato, T.; Okabe, R.; Elschner, R.; Ludwig, R.; Schubert, C.
Zeitschriftenaufsatz
2012Chirp removal from directly modulated laser signals by two-stage fiber cross-phase modulation
Kato, T.; Elschner, R.; Richter, T.; Okabe, R.; Meuer, C.; Troppenz, U.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2012Distributed coherent optical OFDM multiplexing using fiber frequency conversion and free-running lasers
Elschner, R.; Richter, T.; Kato, T.; Watanabe, S.; Schubert, C.
Konferenzbeitrag
201112-Stage sequential optical FDM of 120 Gb/s (12x10 Gb/s) data in 240-GHz bandwidth using fiber cross-phase modulation with optical subcarrier signals
Kato, T.; Okabe, R.; Ludwig, R.; Elschner, R.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2011All-optical THz-band frequency multiplexing on a single optical carrier using fiber cross-phase modulation
Kato, T.; Okabe, R.; Ludwig, R.; Schmidt-Langhorst, C.; Schubert, C.; Watanabe, S.
Konferenzbeitrag
2011Multi-stage optical FDM of 12-channel 10-Gb/s data with 20-GHz exact channel spacing using fiber cross-phase modulation with optical subcarrier signals
Kato, T.; Okabe, R.; Ludwig, R.; Elschner, R.; Schubert, C.; Watanabe, S.
Zeitschriftenaufsatz
2010All-optical level equalization of data packets using a fiber-optic parametric amplifier
Richter, T.; Ludwig, R.; Fischer, J.K.; Watanabe, S.; Okabe, R.; Kato, T.; Schubert, C.
Konferenzbeitrag
2009All-optical combination of DPSK and OOK to 320-Gb/s DQPSK signal using fiber-based signal processors
Futami, F.; Okabe, R.; Kato, T.; Schmidt-Langhorst, C.; Schubert, C.; Ludwig, R.; Watanabe, S.
Konferenzbeitrag
2009Polarization-independent all-optical amplitude limiter using two-stage gain-saturated fiber parametric amplifiers
Watanabe, S.; Futami, F.; Okabe, R.; Kato, T.; Ludwig, R.; Schmidt-Langhorst, C.; Schubert, C.
Konferenzbeitrag