Browse > Article
http://dx.doi.org/10.3807/KJOP.2003.14.4.359

A novel vertical directional coupler with polarization independent very short coupling lengths  

정병민 (숭실대학교 정보통신전자공학부)
김부균 (숭실대학교 정보통신전자공학부)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.4, 2003 , pp. 359-364 More about this Journal
Abstract
We propose a novel vertical directional coupler with polarization independent very short coupling lengths using the double-sided deep-ridge waveguide structure which could be implemented using double-sided process to polarization insensitive deep-ridge waveguide structures and investigate the effect of various structure parameters on the coupling length. Variation of coupling length for the variation of the waveguide width is smaller than that for the variation of the core thickness. Coupling length decreases as the inner cladding layer thickness and the core thickness decrease. The waveguide width with the polarization independent coupling length decreases as the inner cladding layer thickness decreases for the same core thickness and the core thickness decreases for the same inner cladding layer thickness.
Keywords
Vertical directional coupler; deep-ridge waveguide; double-sided process; short coupling length; polarization insensitive;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Design of polarization insensitive bragg grating in zero-birefrigence ridge waveguides /
[ W.P.Wong;K.S.Chiang ] / IEEE J. Quantium Electron   DOI   ScienceOn
2 Extremely small polarization independent phased array demultiplexers on InP /
[ H.Bissessur;P.Pagnod­Rassiaux;R.Mestric;B.Martin ] / IEEE Photon.Technol.Lett.   DOI   ScienceOn
3 Polarization independent semiconductor arrayed waveguide gratings using a deepridge waveguide structure /
[ Masaki,Kohtoku;Hiroaki,Sanjoh;Satoshi,Oku;Yoshiaki,Kadota;Yuzo,Yoshikuni ] / IEECE Trans. Electron.
4 Improved extinction ratio in ultra short directional couplers using asymmetric structures /
[ B.­G.Kim;A.Shakouri;B.L.;John,E.Bowers ] / Jpn. J. Appl. Phys.   DOI
5 Fused Inp­GaAs vertical coupler filters /
[ B.Liu;A.Shakouri;P.Abraham;Y.J.Chiu;S.Zhang;John,E.Bowers ] / IEEE Photon.Technol. Lett   DOI   ScienceOn
6 Vertical coupler with separated inputs and outputs fabricated using double-sided process /
[ B.Liu;A.Shakouri;P.Abraham;John,E.Bowers ] / Electron. Lett.   DOI   ScienceOn
7 Deep-ridge distributed feedback waveguide for polarization independent all-optical switching /
[ S.­H.Jeong;T.Mizumoto;K.Nakatsuhara;M.Takenaka;Y.Nakano ] / Electron. Lett.   DOI   ScienceOn
8 Wafer-fused optoelectronics for switching /
[ A.Shakouri;B.Liu;B.­G.Kim;Patrick,Abraham;Andrew,W.Jackson;Arthur,C.Gossard;John,E.Bowers ] / J. Lightwave Technol.   DOI   ScienceOn
9 A Novel vertical directional coupler switch with switching-operation-induced section and extinction-ratio-enhanced section /
[ S.­C.Cho;B.­M.Jung;B.­G.Kim;H.­H.Hong;A.Shakouri ] / J. Lightwave Technol.   DOI   ScienceOn