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Wavelength-division-multiplexing add/drop multiplexer employing a novel polarisation independent acousto-optic tunable filter

Wavelength-division-multiplexing add/drop multiplexer employing a novel polarisation independent acousto-optic tunable filter

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© The Institution of Electrical Engineers
Published

A wavelength-division-multiplexing add/drop multiplexer (WDM-ADM) employing a novel polarisation independent acousto-optic tunable filter (PI-AOTF) and two optical circulators is proposed. The PI-AOTF consists of only one PBS and one acousto-optic TE-TM mode convertor. The polarisation dependent power fluctuation of the proposed PI-AOTF is less than 1 dB. A 3.2 nm spaced four-channel IM-DD transmission experiment at 622 Mbit/s is demonstrated. The power penalty due to the Doppler shift is 1 dB at a BER of 10−9.

Inspec keywords: wavelength division multiplexing; optical communication equipment; tuning; multiplexing equipment; optical filters; digital communication systems; acousto-optical devices

Other keywords: Doppler shift; acousto-optic TE-TM mode convertor; optical circulators; 622 Mbit/s; four-channel transmission experiment; BER; polarisation independent; add/drop multiplexer; wavelength-division-multiplexing; acousto-optic tunable filter

Subjects: Acousto-optical devices; Optical coatings and filters; Other switching centres; Optical communication

References

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      • M.I. Irshid . A fully transparent fiber-optic ring architecture for WDM networks. J. Lightwave Technol. , 101 - 108
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      • Kar-Roy Arjun . Low-sidelobe weighted-coupled integrated acoustooptic tunable filter using focused surface acoustic waves. Photonics Technol. Lett. , 1132 - 1135
    3. 3)
      • K.W. Cheung . 1 Gbit/s system performance of an integrated, polarization-independent, acoustically-tunable optical filter. Photonics Technol. Lett. , 271 - 271
    4. 4)
      • T. Matumoto . Polarization-independent optical circulator: An experiment. Appl. Opt. , 108 - 112
    5. 5)
      • D.A. Smith . Integrated-optic acoustically-tunable filters for WDM networks. IEEE J. Sel. Areas. Commun. , 1151 - 1159
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      • W.I. Way . A self-routing WDM high-capacity SONET ring network. Photonics Technol. Lett. , 402 - 405
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