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Polarisation independent 8×8 waveguide grating multiplexer on InP

Polarisation independent 8×8 waveguide grating multiplexer on InP

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© The Institution of Electrical Engineers
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A polarisation independent InP-based 8×8 multiplexer is realised by designing the free spectral range to exactly match the TM-TE shift. The device exhibits a channel spacing of 88.4 GHz (0.71 nm), a crosstalk of −20 dB and a channel bandwidth of 39 GHz (0.31 nm). The insertion loss is below 5 dB for all eight channels.

Inspec keywords: optical fibres; indium compounds; III-V semiconductors; optical communication equipment; multiplexing equipment; integrated optics; wavelength division multiplexing

Other keywords: crosstalk; 39 GHz; waveguide grating multiplexer; channel spacing; InP; channel bandwidth; insertion loss; TM-TE shift; free spectral range; polarisation-independent device

Subjects: Optical communication; Other switching centres; Integrated optics; Fibre optics

References

    1. 1)
      • M. Zirngibl , C. Dragone , C.H. Joyner . Demonstration of a 15×15 arrayed waveguide multiplexer on InP. IEEE Photonics Technol. Lett.
    2. 2)
      • I.P. Kaminow . FSK with direct detection in optical multiple-access FDM networks. IEEE J. Sel. Areas Commun. , 1005 - 1014
    3. 3)
      • H. Takahashi , Y. Hibino , I. Nishi . Polarization-insensitive arrayed-waveguide grating wavelength multiplexeron silicon. Opt. Lett. , 499 - 501
    4. 4)
      • M.K. Smit . (1991) , Integrated optics in silicon-based aluminum oxide.
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