Upgrade of passive optical subscriber network

Norio Kashima

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

An upgrade method is described for a two-way broadband service transmission of a previously proposed passive optical subscriber network (PASS-NET). PASS-NET uses optical frequency division multiplex/time-division multiplex (OFDM/TDM) techniques for downstream transmission and time division multiple access (TDMA) for upstream. Fundamental experiments for downstream transmission to two subscribers are executed to demonstrate the possibility of the upgrade method. Two wavelengths emitted by a distributor Bragg reflector-laser diode (DBR-LD) tunable laser with a 5-GHz (0.04-nm) space between them are directly intensity modulated at 32 MB/s. Each wave transmits narrowband service to each subscriber. The third wavelength emitted by another DBR-LD tunable laser with an 11-nm separation from the two wavelengths is directly intensity modulated at 100 MB/s and overlaid. Three waves transmitted over a 10-km single-mode fiber are demultiplexed by a 1 × 2 wavelength selective star coupler. One subscriber receives two waves, one for a 32-MB/s burst transmission and another for a 100-Mb/s continuous transmission. Both narrowband and broadband data are successfully transmitted and bit error rates are measured for both transmissions.

Original languageEnglish
Pages (from-to)113-120
Number of pages8
JournalJournal of Lightwave Technology
Volume9
Issue number1
DOIs
Publication statusPublished - 1991 Jan
Externally publishedYes

Fingerprint

Bragg reflectors
distributors
Wavelength
Laser tuning
tunable lasers
wavelengths
division
Semiconductor lasers
narrowband
semiconductor lasers
time division multiple access
broadband
Time division multiple access
Single mode fibers
bit error rate
Bit error rate
upstream
couplers
Stars
bursts

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Upgrade of passive optical subscriber network. / Kashima, Norio.

In: Journal of Lightwave Technology, Vol. 9, No. 1, 01.1991, p. 113-120.

Research output: Contribution to journalArticle

Kashima, Norio. / Upgrade of passive optical subscriber network. In: Journal of Lightwave Technology. 1991 ; Vol. 9, No. 1. pp. 113-120.
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