An optical labeling scheme with novel DPSK/PPM orthogonal modulation

Rui Zhou*, Xiang Jun Xin, Yong Jun Wang, Zi Xing Zhang, Chong Xiu Yu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A novel differential-phase-shift-keying (DPSK)/pulse-position-modulation (PPM) orthogonal modulation is proposed for optical labeling applications, with PPM data as the high-speed payload and DPSK signal as the optical label. The systematic setup for the proposed scheme and research on bit-error rate is presented. The results show that at the bit-error rate of 10-9, the power penalties for 70km fiber transmission are in the range of 1-3 dB to DPSK label and 5-6 dB to PPM payload in our simulation system. This is under the condition that the large extinction ratio of 18-19 dB is used for the intensity modulators of the PPM payload, with a well received DPSK label. Thus the feasibility of the proposed scheme for all optical transmission networks is clearly verified.

Original languageEnglish
Article number094209
JournalChinese Physics Letters
Volume27
Issue number9
DOIs
Publication statusPublished - Sept 2010
Externally publishedYes

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