Abstract

A ten-user truly asynchronous gigabit coherent-optical-code-division-multiple-access (OCDMA) transmission was experimentally demonstrated without using any timing coordination. The enabling technologies are a record-length 511-chip superstructured-fiber-Bragg-grating (SSFBG) en/decoder and a supercontinuum (SC)-based optical-thresholding technique to significantly suppress the signal interference beat noise as well as the multiple-access-interference (MAI) noise.

© 2006 IEEE

Full-asynchronous gigabit-symmetric DPSK downstream and OOK upstream OCDMA-PON with source-free ONUs employing all-optical self-clocked time gate

Bo Dai, Satoshi Shimizu, Xu Wang, and Naoya Wada
Opt. Express 20(26) B21-B31 (2012)

Inter-symbol interference and beat noise in flexible data-rate coherent OCDMA and the BER improvement by using optical thresholding

Xu Wang, Naoya Wada, and Ken-ichi Kitayama
Opt. Express 13(26) 10469-10474 (2005)

A novel beat-noise-reducing en/decoding technology for a coherent 2-D OCDMA system

Jilin Zheng, Rong Wang, Tao Pu, Lin Lu, Tao Fang, Yun Cheng, and Xiangfei Chen
Opt. Express 17(21) 19264-19277 (2009)

Demonstration of asynchronous, 40Gbps x 4-user DPSK-OCDMA transmission using a multi-port encoder/decoder

Nobuyuki Kataoka, Gabriella Cincotti, Naoya Wada, and Ken-ichi Kitayama
Opt. Express 19(26) B965-B970 (2011)

Performance comparison of 0/π- and ± π/2-phase-shifted superstructured Fiber Bragg grating en/decoder

Bo Dai, Zhensen Gao, Xu Wang, Nobuyuki Kataoka, and Naoya Wada
Opt. Express 19(13) 12248-12260 (2011)