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  • Received: Mar. 9, 2006

    Accepted: --

    Posted: Aug. 27, 2006

    Published Online: Aug. 27, 2006

    The Author Email: Xiuyou Han (hanxiuyou@mail.siom.ac.cn)

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    Xiuyou Han, Feng Liu, Fufei Pang, Fenghong Chu, Haiwen Cai, Ronghui Qu, Zujie Fang. Polarization-dependent characteristics of a racetrack waveguide resonator fabricated by ion exchange in K9 glass[J]. Chinese Optics Letters, 2006, 4(7): 393

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Chinese Optics Letters, Vol. 4, Issue 7, 393 (2006)

Polarization-dependent characteristics of a racetrack waveguide resonator fabricated by ion exchange in K9 glass

Xiuyou Han1,2,*, Feng Liu1,2, Fufei Pang1,2, Fenghong Chu1,2, Haiwen Cai1, Ronghui Qu1, and Zujie Fang1

Author Affiliations

  • 1Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
  • 2Graduate School of the Chinese Academy of Sciences, Beijing 100039

Abstract

A racetrack waveguide resonator filter was fabricated by ion exchange technology in K9 optical glass. The filter responses of the waveguide resonator were measured with two polarized input lightwaves. The polarization-dependent characteristics of the waveguide resonator were analyzed, and the results of effective indices of n_(TE)=1.5721 and n_(TM)=1.5548, coupling ratios of r_(TE)=0.731 and r_(TM)=0.761, and losses of 'alpha'_(TE)=4.35 dB/cm and 'alpha'_(TM)=6.05 dB/cm were obtained for transverse electric (TE) and transverse magnetic (TM) modes, respectively. The causes of large loss and effective index differences between TE and TM modes were discussed.

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