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An eight-channel hyperfine wavelength demultiplexer using a virtually imaged phased-array (VIPA)

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2 Author(s)
Shijun Xiao ; Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA ; Weiner, A.M.

We demonstrate an eight-channel hyperfine wavelength demultiplexer at 1.55 μm using a virtually imaged phased-array spectral disperser, with channel spacings of ∼3 GHz (24 pm) and -3-dB channel bandwidths of ∼0.75 GHz (6 pm). We achieve adjacent channel isolations ≥23 dB and nonadjacent channel isolations ≥30 dB. We also present the first theoretical analysis.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 2 )

Date of Publication:

Feb. 2005

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