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ARROW-type polarizer utilizing form birefringence in multilayer first cladding

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2 Author(s)
Kokubun, Y. ; Div. of Electr. & Comput. Eng., Yokohama Nat. Univ., Japan ; Asakawa, S.

A waveguide polarizer using an ARROW (antiresonant reflecting optical waveguide) structure, of which the first cladding consists of three thin layers, is proposed. Theoretical calculation shows that this polarizer can achieve isolation over 30 dB/cm with an insertion loss of 0.01 dB/cm at 1.3 mu m. Isolation of 83 dB/cm with insertion loss of 4.3 dB/cm was experimentally obtained at 0.633 mu m. This structure is suitable for the integration of a polarization splitter and photodetector.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 12 )