Low cost λ-tunable transmitter for indoor infrared wireless communication system

Q. Ma, C. Li, Y. Zhang, X. Dai, Z. Cao, Y. Liu, Y. Xiang (Corresponding author)

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Uittreksel

Optical wireless technology provides a future-proof solution for indoor communication due to its unparallel broadband features. Different from other applications, indoor communication networks are sensitive to the cost and complexity. Indoor beam-steered infrared wireless communication system (IWC) based on wavelength division device, e.g. arrayed waveguide grating is attractive due to its low cost. However, the traditional wavelength tunable transmitter is expensive. In this paper, we propose a low-cost wavelength tunable transmitter for an indoor beam-steered IWC system. The key device of such transmitter is a simple and low cost Fabry–Perot(F–P) cavity laser. Different from the external-modulator based solutions, the proposed transmitter provides gain rather than insertion loss, which further simplifies the system design and improves the system reliability. The optimal central offset in spectrum between the modulated signal and the wavelength division devices is also investigated to improve the system performance. A 4.5 Gb/s indoor IWC system incorporating 3.2-km single mode fiber and 1.1-m free space link is experimentally demonstrated.

TaalEngels
Pagina's60-63
Aantal pagina's4
TijdschriftOptics Communications
Volume448
DOI's
StatusGepubliceerd - 1 okt 2019

Vingerafdruk

wireless communication
transmitters
telecommunication
Transmitters
Communication systems
Infrared radiation
Wavelength
wavelengths
division
Costs
costs
Arrayed waveguide gratings
communication networks
Laser resonators
Single mode fibers
Insertion losses
laser cavities
insertion loss
systems engineering
Modulators

Trefwoorden

    Citeer dit

    Ma, Q. ; Li, C. ; Zhang, Y. ; Dai, X. ; Cao, Z. ; Liu, Y. ; Xiang, Y./ Low cost λ-tunable transmitter for indoor infrared wireless communication system. In: Optics Communications. 2019 ; Vol. 448. blz. 60-63
    @article{e7116addbd7a40ed93b090e7a711b004,
    title = "Low cost λ-tunable transmitter for indoor infrared wireless communication system",
    abstract = "Optical wireless technology provides a future-proof solution for indoor communication due to its unparallel broadband features. Different from other applications, indoor communication networks are sensitive to the cost and complexity. Indoor beam-steered infrared wireless communication system (IWC) based on wavelength division device, e.g. arrayed waveguide grating is attractive due to its low cost. However, the traditional wavelength tunable transmitter is expensive. In this paper, we propose a low-cost wavelength tunable transmitter for an indoor beam-steered IWC system. The key device of such transmitter is a simple and low cost Fabry–Perot(F–P) cavity laser. Different from the external-modulator based solutions, the proposed transmitter provides gain rather than insertion loss, which further simplifies the system design and improves the system reliability. The optimal central offset in spectrum between the modulated signal and the wavelength division devices is also investigated to improve the system performance. A 4.5 Gb/s indoor IWC system incorporating 3.2-km single mode fiber and 1.1-m free space link is experimentally demonstrated.",
    keywords = "Communication, Infrared wireless communication, Low cost, Tunable transmitter",
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    Low cost λ-tunable transmitter for indoor infrared wireless communication system. / Ma, Q.; Li, C.; Zhang, Y.; Dai, X.; Cao, Z.; Liu, Y.; Xiang, Y. (Corresponding author).

    In: Optics Communications, Vol. 448, 01.10.2019, blz. 60-63.

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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    AU - Zhang,Y.

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    AU - Liu,Y.

    AU - Xiang,Y.

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    N2 - Optical wireless technology provides a future-proof solution for indoor communication due to its unparallel broadband features. Different from other applications, indoor communication networks are sensitive to the cost and complexity. Indoor beam-steered infrared wireless communication system (IWC) based on wavelength division device, e.g. arrayed waveguide grating is attractive due to its low cost. However, the traditional wavelength tunable transmitter is expensive. In this paper, we propose a low-cost wavelength tunable transmitter for an indoor beam-steered IWC system. The key device of such transmitter is a simple and low cost Fabry–Perot(F–P) cavity laser. Different from the external-modulator based solutions, the proposed transmitter provides gain rather than insertion loss, which further simplifies the system design and improves the system reliability. The optimal central offset in spectrum between the modulated signal and the wavelength division devices is also investigated to improve the system performance. A 4.5 Gb/s indoor IWC system incorporating 3.2-km single mode fiber and 1.1-m free space link is experimentally demonstrated.

    AB - Optical wireless technology provides a future-proof solution for indoor communication due to its unparallel broadband features. Different from other applications, indoor communication networks are sensitive to the cost and complexity. Indoor beam-steered infrared wireless communication system (IWC) based on wavelength division device, e.g. arrayed waveguide grating is attractive due to its low cost. However, the traditional wavelength tunable transmitter is expensive. In this paper, we propose a low-cost wavelength tunable transmitter for an indoor beam-steered IWC system. The key device of such transmitter is a simple and low cost Fabry–Perot(F–P) cavity laser. Different from the external-modulator based solutions, the proposed transmitter provides gain rather than insertion loss, which further simplifies the system design and improves the system reliability. The optimal central offset in spectrum between the modulated signal and the wavelength division devices is also investigated to improve the system performance. A 4.5 Gb/s indoor IWC system incorporating 3.2-km single mode fiber and 1.1-m free space link is experimentally demonstrated.

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