| High-Speed Transmission in Multimode Fibers Ronald E. Freund, Christian-A. Bunge, Nikolay N. Ledentsov, D. Molin, Ch. Caspar Journal of Lightwave Technology 28 (No. 4), 569-586, 2010 | 180* | 2010 |
| Robustness of DPSK direct detection transmission format in standard fibre WDM systems M Rohde, C Caspar, N Heimes, M Konitzer, EJ Bachus, N Hanik Electronics Letters 36 (17), 1, 2000 | 174 | 2000 |
| Application of amplitude histograms to monitor performance of optical channels N Hanik, A Gladisch, C Caspar, B Strebel Electronics Letters 35 (5), 403-404, 1999 | 142 | 1999 |
| Fibre-optic micro-ring-resonator with 2 mm diameter C Caspar, EJ Bachus Electronics letters 25 (22), 1506-1508, 1989 | 88 | 1989 |
| RZ versus NRZ modulation format for dispersion compensated SMF-based 10-Gb/s transmission with more than 100-km amplifier spacing C Caspar, HM Foisel, A Gladisch, N Hanik, F Kuppers, R Ludwig, ... IEEE Photonics technology letters 11 (4), 481-483, 1999 | 71 | 1999 |
| Ten-Channel Coherent Optical Fibre Transmission E.-J. Bachus, R.-P. Braun, C. Caspar, E. Grossmann, H. Foisel, K. Heimes, H ... Electronics Letters 22 (No. 19), 1002-1003, 1986 | 71* | 1986 |
| High speed 160 Gb/s DMT VCSEL transmission using pre-equalization C Kottke, C Caspar, V Jungnickel, R Freund, M Agustin, NN Ledentsov 2017 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2017 | 69 | 2017 |
| 4x4 polymer thermo-optic directional coupler switch at 1.55 μm N Keil, HH Yao, C Zawadzki, B Strebel, C Caspar Optical Fiber Communication Conference, PD14, 1994 | 68 | 1994 |
| Application of amplitude histograms for quality of service measurements of optical channels and fault identification K Mueller, N Hanik, A Gladisch, HM Foisel, C Caspar 24th European Conference on Optical Communication. ECOC'98 (IEEE Cat. No …, 1998 | 44 | 1998 |
| Extension of all-optical network-transparent domains based on normalized transmission sections N Hanik, A Ehrhardt, A Gladisch, C Peucheret, P Jeppesen, L Molle, ... Journal of Lightwave Technology 22 (6), 1439, 2004 | 43 | 2004 |
| A SiGe-HBT 2: 1 analog multiplexer with more than 67 GHz bandwidth T Tannert, XQ Du, D Widmann, M Grözing, M Berroth, C Schmidt, ... 2017 IEEE Bipolar/BiCMOS Circuits and Technology Meeting (BCTM), 146-149, 2017 | 40 | 2017 |
| High-speed DMT and VCSEL-based MMF transmission using pre-distortion C Kottke, C Caspar, V Jungnickel, R Freund, M Agustin, JR Kropp, ... Journal of Lightwave Technology 36 (2), 168-174, 2018 | 35 | 2018 |
| Coherent optical multicarrier systems EJ Bachus, RP Braun, C Caspar, HM Foisel, E Grossmann, B Strebel, ... Journal of lightwave technology 7 (2), 375-384, 1989 | 34 | 1989 |
| Cascadability of arrayed-waveguide grating (de) multiplexers in transparent optical networks C Caspar, HM Foisel, R Freund, U Kruger, B Strebel Proceedings of Optical Fiber Communication Conference (, 19-20, 1997 | 32 | 1997 |
| Progress on single mode VCSELs for data-and tele-communications NN Ledentsov, JA Lott, JR Kropp, VA Shchukin, D Bimberg, P Moser, ... Vertical-Cavity Surface-Emitting Lasers XVI 8276, 160-170, 2012 | 31 | 2012 |
| Comparison of the cascadability performance of different types of commercially available wavelength (de) multiplexers C Caspar, HM Foisel, C Helmolt, B Strebel, Y Sugaya Integrated Optics and Optical Fibre Communications, 11th International …, 1997 | 31 | 1997 |
| Multimode fiber enabling 40 Gbit/s multi-mode transmission over distances> 400 m P Matthijsse, G Kuyt, F Gooijer, F Achten, R Freund, L Molle, C Caspar, ... Optical Fiber Communication Conference, OWI13, 2006 | 26 | 2006 |
| Histogram method for identification and evaluation of crosstalk CM Weinert, C Caspar, M Konitzer, M Rohde Optical Fiber Communication Conference, ThD5, 2000 | 21 | 2000 |
| Energy efficient 850-nm VCSEL based optical transmitter and receiver link capable of 56 Gbit/s NRZ operation N Ledentsov Jr, M Agustin, L Chorchos, JR Kropp, VA Shchukin, ... Vertical-Cavity Surface-Emitting Lasers XXIII 10938, 77-84, 2019 | 20 | 2019 |
| Transparent all-optical coherent-multi-carrier 4* 2 switching node RP Braun, EJ Bachus, C Caspar, HM Foisel, B Strebel | 19 | 1991 |
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