WDM-OFDMA-PON uplink optical transmission using bandwidth enhanced injection-locked FP-LD

Seung Min Yang, Chang Hun Kim, Sang Min Jung, Sang Kook Han

Research output: Contribution to journalArticle

Abstract

We propose a scalable support WDM-based orthogonal frequency division multiple access-passive optical network uplink transmission system using an injection-locked Fabry-Perot laser diode (IL-FP-LD). This system uses an injection-locking technique to enhance the usable bandwidth by making stable channel states. By properly controlling the IL-FP-LD operation, the number of optical network units (ONU) within a wavelength can be increased, which improves the optical bandwidth efficiency for the uplink transmission. The experimental results show an enhanced modulation bandwidth of 3.5 GHz. Compared with a conventional RSOA which has a modulation bandwidth of 1.5 GHz, our scheme improves the number of ONUs that can be accommodated within a wavelength more than two times. The total discrete multitone signal received from the ONUs, with QPSK mapping on the subcarriers was 6.77 Gbps over a 23-km standard single mode fiber transmission.

Original languageEnglish
Pages (from-to)1727-1732
Number of pages6
JournalMicrowave and Optical Technology Letters
Volume57
Issue number7
DOIs
Publication statusPublished - 2015 Jul 1

Fingerprint

Light transmission
Wavelength division multiplexing
injection
bandwidth
Bandwidth
Semiconductor lasers
frequency division multiple access
semiconductor lasers
Modulation
modulation
Wavelength
injection locking
Passive optical networks
Frequency division multiple access
quadrature phase shift keying
Quadrature phase shift keying
Single mode fibers
Fiber optic networks
wavelengths
lasers

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Yang, Seung Min ; Kim, Chang Hun ; Jung, Sang Min ; Han, Sang Kook. / WDM-OFDMA-PON uplink optical transmission using bandwidth enhanced injection-locked FP-LD. In: Microwave and Optical Technology Letters. 2015 ; Vol. 57, No. 7. pp. 1727-1732.
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WDM-OFDMA-PON uplink optical transmission using bandwidth enhanced injection-locked FP-LD. / Yang, Seung Min; Kim, Chang Hun; Jung, Sang Min; Han, Sang Kook.

In: Microwave and Optical Technology Letters, Vol. 57, No. 7, 01.07.2015, p. 1727-1732.

Research output: Contribution to journalArticle

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