title: Minimum channel spacing in wavelength-division-multiplexed nonreturn-to-zero optical fiber transmissions.
abstract: Cross-phase-modulation-induced instability and collisions lead to a minimum channel spacing in dispersionmanaged wavelength-division-multiplexed nonreturn-to-zero transmissions. We obtain a simple analytical description of these instabilities and confirm the results by numerical simulations.
authors.forename: Y
authors.initials: Y
authors.lastname: Kodama
authors.forename: A
authors.initials: A
authors.lastname: Maruta
authors.forename: S
authors.initials: S
authors.lastname: Wabnitz