Broadly Tunable Self-injection Locked InAs/InP Quantum-dash Laser Based Fiber/FSO/Hybrid Fiber-FSO Communication at 1610 nm

  • M. A. Shemis
  • , E. Alkhazraji
  • , A. M. Ragheb
  • , M. T.A. Khan
  • , M. Esmail
  • , H. Fathallah
  • , S. A. Alshebeili
  • , M. Z.M. Khan*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

We report a self-injection-locked InAs/InP quantum-dash tunable laser with ∼11 nm (∼1602-1613 nm) tuning window for next generation multiuser ultrahigh capacity fiber/free-space optics (FSO)/hybrid fiber-FSO-based optical networks. A tunability of >18 independently locked subcarriers with ∼28 dB side mode suppression ratio (SMSR) and stable (±0.1 dBm) mode power is exhibited, and an estimated small injection ratio of ∼-22 dBm is found to sustain locking and SMSR. Error free transmission of 100 and 128 Gb/s externally modulated dual-polarization quadrature phase shift keying (DP-QPSK) signals over 20 km single mode fiber (SMF) and 16 m indoor FSO links are demonstrated across 8 and 4 individual subcarriers, respectively, thus covering the entire tuning range. Moreover, up to 168 (192) Gb/s successful transmission over 10 km SMF (BTB) and 176 Gb/s over 16 m FSO link is achieved on a ∼1610 nm subcarrier. Finally, a 128 Gb/s DP-QPSK transmission over 11 km SMF-8 m FSO-11 km SMF hybrid system is accomplished, thus paving the potential deployment of this single-chip, cost-effective, and energy efficient tunable light source in terabits/s next-generation passive optical networks.

Original languageEnglish
Article number7902210
JournalIEEE Photonics Journal
Volume10
Issue number2
DOIs
StatePublished - Apr 2018

Bibliographical note

Funding Information:
Manuscript received February 16, 2018; accepted February 22, 2018. Date of publication February 27, 2018; date of current version March 30, 2018. This work was supported in part by the King Fahd University of Petroleum and Minerals through Grant KAUST004, in part by the King Saud University through research group RG-1438-092, and in part by KACST-TIC in SSL via Grant EE2381. (M. A. Shemis and E. Alkhazraji contributed equally to this work.) Corresponding author: M. Z. M. Khan (e-mail: [email protected]).

Publisher Copyright:
© 2009-2012 IEEE.

Keywords

  • Coherent communication
  • hybrid fiber-FSO system.
  • optical access networks
  • quantum-dash laser diode
  • self-injection locking
  • tunable laser sources

ASJC Scopus subject areas

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

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