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

Xiuyou Han; Feng Liu; Fufei Pang; Fenghong Chu; Haiwen Cai; Ronghui Qu; Zujie Fang

Journals >Chinese Optics Letters >Volume 4 >Issue 7 >Page 393 > Article

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 Han^1、2、*, Feng Liu^1、2, Fufei Pang^1、2, Fenghong Chu^1、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

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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 Copy Citation Text

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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.

Keywords

130.2790 130.3120 230.5750 130.0130

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