Experimental Demonstration of an Optical Second-Order Volterra Nonlinear Filter using Wave Mixing and Delays to Equalize a 20-Gbaud 4-APSK Channel
- Resource Type
- Conference
- Authors
- Zou, Kaiheng; Liao, Peicheng; Zhou, Huibin; Fallahpour, Ahmad; Minoofar, Amir; Almaiman, Ahmed; Alishahi, Fatemeh; Tur, Moshe; Willner, Alan E.
- Source
- 2020 Optical Fiber Communications Conference and Exhibition (OFC) Optical Fiber Communications Conference and Exhibition (OFC), 2020. :1-3 Mar, 2020
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
- Language
We demonstrate an optical second-order Volterra filter using wave mixing and delays. We measure the frequency response and perform the compensation of a nonlinearly distorted 20Gbaud 4-APSK signal with BER reduction from 8.2×10 -3 to 3.2×10 -3 .