Reinhold LUDWIG


160 Gbit/s OTDM Long-Haul Transmission with Long-Term Stability Using RZ-DPSK Modulation Format
Sebastian FERBER Carsten SCHMIDT-LANGHORST Reinhold LUDWIG Christof BOERNER Colja SCHUBERT Vincent MAREMBERT Marcel KROH Hans-Georg WEBER 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5  pp. 1947-1954
Type of Manuscript:  INVITED PAPER (Joint Special Section on Recent Progress in Optoelectronics and Communications)
Category: 
Keyword: 
high bit rate transmissiontime division multiplexingdifferential phase shift keying
 Summary | Full Text:PDF(760KB)

Ultrafast All-Optical 3R-Regeneration
Shigeki WATANABE Reinhold LUDWIG Fumio FUTAMI Colja SCHUBERT Sebastian FERBER Christof BOERNER Carsten SCHMIDT-LANGHORST Joern BERGER Hans-Georg WEBER 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/07/01
Vol. E87-C  No. 7  pp. 1114-1118
Type of Manuscript:  INVITED PAPER (Special Section on Ultrafast Photonics)
Category: 
Keyword: 
3R-regenerationoptical signal processingnonlinear fiber
 Summary | Full Text:PDF(232.4KB)

A Tunable Femtosecond Modelocked Semiconductor Laser for Applications in OTDM-Systems
Reinhold LUDWIG Stefan DIEZ Armin EHRHARDT Lothar KULLER Wilhelm PIEPER Hans G. WEBER 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/02/25
Vol. E81-C  No. 2  pp. 140-145
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: 
Keyword: 
modelocked semiconductor laserfemtosecond optical pulsesoptical time division multiplexingall-optical clock recoverypump and probe measurements
 Summary | Full Text:PDF(663.5KB)