Cross-phase-modulation-induced instability and collisions lead to a minimum channel spacing in dispersion-managed wavelength-division-multiplexed nonreturn-to-zero transmissions. We obtain a simple analytical description of these instabilities and confirm the results by numerical simulations.
© 1996 Optical Society of America
Original Manuscript: June 10, 1996
Published: November 15, 1996
Yuji Kodama, Akihiro Maruta, and Stefan Wabnitz, "Minimum channel spacing in wavelength-division-multiplexed nonreturn-to-zero optical fiber transmissions," Opt. Lett. 21, 1815-1817 (1996)