A WDM/TDM access network based on broad t-band wavelength resource using quantum dot semiconductor devices

Nazirul Afham Idris, Naokatsu Yamamoto, Kouichi Akahane, Katsumi Yoshizawa, Yasunori Tomomatsu, Makoto Sudo, Tadashi Hajikano, Ryogo Kubo, Takuya Uesugi, Takahiro Kikuchi, Hiroyuki Tsuda

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A wavelength-division multiplexing/time-division multiplexing (WDM/TDM) network exploiting the broad wavelength range of T-band (1000-1260 nm) is proposed. The network is based on different wavebands of downlink and uplink channels, with each transmitter consisting of a wavelength tunable laser utilized for more than one user through wavelength tuning. The downlink section of the network also introduces interconnecting optical lines and semiconductor optical amplifiers (SOAs), pairing up each of the downlink wavebands to provide structural redundancy by allowing transmitters to be shared between the paired wavebands through TDM. Quantum dot (QD)-based wavelength tunable lasers and SOAs were fabricated for a preliminary demonstration experiment. Error-free transmission with less than 1 dB of power penalty was obtained for a wavelength range of 24.2 nm (5.6 THz). The QD-SOAs exhibited a decent rise and fall time, as well as extinction ratios throughout the wavelength range, which enable it to be used as path switches.

Original languageEnglish
Article number7389328
JournalIEEE Photonics Journal
Volume8
Issue number1
DOIs
Publication statusPublished - 2016 Feb 1

Fingerprint

time division multiplexing
Time division multiplexing
wavelength division multiplexing
Semiconductor devices
semiconductor devices
Wavelength division multiplexing
Semiconductor quantum dots
resources
quantum dots
broadband
Wavelength
Semiconductor optical amplifiers
light amplifiers
wavelengths
Laser tuning
tunable lasers
transmitters
Transmitters
redundancy
penalties

Keywords

  • Quantum dot semiconductor optical amplifier
  • Quantum dot tunable laser
  • WDM access network

ASJC Scopus subject areas

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

Cite this

A WDM/TDM access network based on broad t-band wavelength resource using quantum dot semiconductor devices. / Idris, Nazirul Afham; Yamamoto, Naokatsu; Akahane, Kouichi; Yoshizawa, Katsumi; Tomomatsu, Yasunori; Sudo, Makoto; Hajikano, Tadashi; Kubo, Ryogo; Uesugi, Takuya; Kikuchi, Takahiro; Tsuda, Hiroyuki.

In: IEEE Photonics Journal, Vol. 8, No. 1, 7389328, 01.02.2016.

Research output: Contribution to journalArticle

Idris, NA, Yamamoto, N, Akahane, K, Yoshizawa, K, Tomomatsu, Y, Sudo, M, Hajikano, T, Kubo, R, Uesugi, T, Kikuchi, T & Tsuda, H 2016, 'A WDM/TDM access network based on broad t-band wavelength resource using quantum dot semiconductor devices', IEEE Photonics Journal, vol. 8, no. 1, 7389328. https://doi.org/10.1109/JPHOT.2016.2520831
Idris, Nazirul Afham ; Yamamoto, Naokatsu ; Akahane, Kouichi ; Yoshizawa, Katsumi ; Tomomatsu, Yasunori ; Sudo, Makoto ; Hajikano, Tadashi ; Kubo, Ryogo ; Uesugi, Takuya ; Kikuchi, Takahiro ; Tsuda, Hiroyuki. / A WDM/TDM access network based on broad t-band wavelength resource using quantum dot semiconductor devices. In: IEEE Photonics Journal. 2016 ; Vol. 8, No. 1.
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