Characterization of polarization insensitive FOPA using a polarization-maintaining highly non-linear fiber. - Isaac Sackey; Thomas Richter 004; Christian Meuer; Robert Elschner; Mahmoud Jazayerifar; Klaus Petermann; Colja Schubert (OFC/NFOEC, 2013)

Impact of SBS on polarization-insensitive single-pump optical parametric amplifiers based on a diversity loop scheme. - Mahmoud Jazayerifar; Isaac Sackey; Robert Elschner; Stefan Warm; Christian Meuer; Colja Schubert; Klaus Petermann (ECOC, 2014)

Kerr nonlinearity compensation in a 5×28-GBd PDM 16-QAM WDM system using fiber-based optical phase conjugation. - Francesco Da Ros; Isaac Sackey; Robert Elschner; Thomas Richter 004; Christian Meuer; M. Nolle; Mahmoud Jazayerifar; Klaus Petermann; Christophe Peucheret; Colja Schubert (ECOC, 2014)

Design and performance evaluation of an OPC device using a dual-pump polarization-independent FOPA. - Isaac Sackey; Francesco Da Ros; Thomas Richter 004; Robert Elschner; Mahmoud Jazayerifar; Christian Meuer; Christophe Peucheret; Klaus Petermann; Colja Schubert (ECOC, 2014)

Characterization of a fiber-optical parametric amplifier in a 5 × 28-GBd 16-QAM DWDM system. - Isaac Sackey; Robert Elschner; Markus Nölle; Thomas Richter 004; Lutz Molle; Christian Meuer; Mahmoud Jazayerifar; Stefan Warm; Klaus Petermann; Colja Schubert (OFC, 2014)

Non-reciprocal gain due to counter-propagating pumps in a polarization-independent FOPA with diversity loop. - Isaac Sackey; Mahmoud Jazayerifar; Robert Elschner; Thomas Richter 004; Christian Meuer; Klaus Petermann; Colja Schubert (ECOC, 2015)

Fiber Nonlinearity Mitigation in 800-km Transmission of a 1.6-Tb/s Superchannel Using Waveband-Shift-Free Optical Phase Conjugation. - Carsten Schmidt-Langhorst; Isaac Sackey; Robert Elschner; Tomoyuki Kato; Takahito Tanimura; Shigeki Watanabe; Takeshi Hoshida; Colja Schubert (ECOC, 2017)

Novel wavelength-shift-free optical phase conjugator used for fiber nonlinearity mitigation in 200-Gb/s PDM-16QAM transmission. - Isaac Sackey; Robert Elschner; Carsten Schmidt-Langhorst; Tomoyuki Kato; Takahito Tanimura; Shigeki Watanabe; Takeshi Hoshida; Colja Schubert (OFC, 2017)

Any-to-Any Signal Frequency Shifting Across Entire C-Band Using Continuously Tuneable Optical Frequency Shifter. - Tomoyuki Kato; Shigeki Watanabe; Takahito Tanimura; Carsten Schmidt-Langhorst; Isaac Sackey; Robert Elschner; Colja Schubert; Takeshi Hoshida (ECOC, 2018)

Filterless Optical WDM Metro Networks Exploiting C+L Band. - Francesco Paolucci; Robert Emmerich; Francesco Fresi; Isaac Sackey; Luca Potì; Colja Schubert; Johannes K. Fischer; Filippo Cugini (ECOC, 2018)

Distributed Aggregation and Reception of a 400-Gb/s Net Rate Superchannel in a Single-Photodiode 110-GHz Kramers-Kronig Receiver. - Isaac Sackey; Carsten Schmidt-Langhorst; Robert Emmerich; Robert Elschner; Tomoyuki Kato; Takahito Tanimura; Shigeki Watanabe; Takeshi Hoshida; Colja Schubert (OFC, 2018)

32 GBd 16QAM Wireless Transmission in the 300 GHz Band using a PIN Diode for THz Upconversion. - Carlos Castro; Simon Nellen; Robert Elschner; Isaac Sackey; Robert Emmerich; Thomas Merkle; Björn Globisch; David de Felipe; Colja Schubert (OFC, 2019)

Experimental Comparison of Fiber Nonlinearity Mitigation: Intra-Modal FWM versus Inter-Modal FWM. - Isaac Sackey; Carsten Schmidt-Langhorst; Colja Schubert; Johannes Karl Fischer; Ronald Freund (OFC, 2020)

Efficient Ultra-Broadband C-to-O Band Converter Based on Multi-Mode Silicon-on-Insulator Waveguides. - Gregor Ronniger; Isaac Sackey; Tasnad Kernetzky; Ulrike Höfler; Christian Mai; Colja Schubert; Norbert Hanik; Lars Zimmermann; Ronald Freund; Klaus Petermann (ECOC, 2021)

Performance Evaluation of an Interband All-Optical Wavelength Converter for Cost-Effective High-Capacity Optical Networks. - Isaac Sackey; Robert Elschner; Robert Emmerich; Carsten Schmidt-Langhorst; D. D. Groß; Georg Rademacher; Yoshinari Awaji; Hideaki Furukawa; Takemi Hasegawa; Colja Schubert; Ronald Freund (ECOC, 2021)

Enabling S-C-L-Band Systems with Standard C-Band Modulator and Coherent Receiver using Nonlinear Predistortion. - Robert Emmerich; Matheus Ribeiro Sena; Robert Elschner; Carsten Schmidt-Langhorst; Isaac Sackey; Colja Schubert; Ronald Freund (OFC, 2021)

Ultra-Broadband Optical Wavelength-Conversion using Nonlinear Multi-Modal Optical Waveguides. - Norbert Hanik; Tasnad Kernetzky; Yizhao Jia; Ulrike Höfler; Ronald Freund; Colja Schubert; Isaac Sackey; Gregor Ronniger; Lars Zimmermann (CSNDSP, 2022)

Characterization of Dispersion-Tailored Silicon Strip Waveguide for Wideband Wavelength Conversion. - Hidenobu Muranaka; Tomoyuki Kato; Shun Okada; Tokuharu Kimura; Yu Tanaka; Tsuyoshi Yamamoto; Isaac Sackey; Gregor Ronniger; Carsten Schmidt-Langhorst; Colja Schubert; Takeshi Hoshida (OECC/PSC, 2022)

Optimization of Ultra-Broadband Optical Wavelength Conversion in Nonlinear Multi-Modal Silicon-On-Insulator Waveguides. - Tasnad Kernetzky; Norbert Hanik; Yizhao Jia; Ulrike Höfler; Ronald Freund; Colja Schubert; Isaac Sackey; Gregor Ronniger; Lars Zimmermann (ICTON, 2023)

Experimental Demonstration of Optical Modulation Format Identification Using SOI-based Photonic Reservoir. - Guillermo von Hünefeld; Gregor Ronniger; Enes Seker; Rijil Thomas; Pooyan Safari; Isaac Sackey; Md Mahasin Khan; Stephan Suckow; Max Christian Lemme; David Stahl; Colja Schubert; Johannes Karl Fischer; et al. (OFC, 2023)

Design and Characterization of Dispersion-Tailored Silicon Strip Waveguides toward Wideband Wavelength Conversion. - Hidenobu Muranaka; Tomoyuki Kato; Shun Okada; Tokuharu Kimura; Yu Tanaka; Tsuyoshi Yamamoto; Isaac Sackey; Gregor Ronniger; Robert Elschner; Carsten Schmidt-Langhorst; Colja Schubert; Takeshi Hoshida (IEICE Trans. Electron., 2023)