Generalized coupled-mode approach of metamaterial coupled-line couplers: Coupling theory, phenomenological explanation, and experimental demonstration

IEEE Transactions on Microwave Theory and Techniques

Volumn 55, Issue 5, 2007, Pages 1029-1038

  Van Nguyen, Hoang ^a,b   Caloz, Christophe ^a,b  

^a IEEE   (Canada)

^b ÉCOLE POLYTECHNIQUE DE MONTRÉAL   (Canada)

Author keywords

Composite right left handed (CRLH) transmission lines; Coupled line couplers; Coupled mode theory (CMT); Metal insulator metal capacitor; Microstrip lines

Indexed keywords

COUPLED LINE COUPLERS; COUPLED MODE THEORY (CMT); METAL INSULATOR METAL CAPACITOR; METAMATERIAL COUPLERS;

APPROXIMATION THEORY; ELECTRIC LINES; MATHEMATICAL MODELS; MICROSTRIP LINES; PARAMETER ESTIMATION; TRANSMISSION ELECTRON MICROSCOPY;

ELECTRIC CONNECTORS;

EID: 34248216129     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2007.895646     Document Type: Article

References (14)

1. R. Mongia, I. Bahl, and P. Bhartia, RF and Microwave Coupled-Line Circuits. Norwood, MA: Artech House, 1999.
2. K. C. Gupta, R. Garg, and I. J. Bahl, Microstrip Lines and Slotlines. Norwood, MA: Artech House, 1996.
3. G. L. Matthaei, L. Young, and E. M. T. Jones, Microwave Filters, Impedance-Matching Networks, and Coupling Structures. New York: McGraw-Hill, 1964.
4. C. Caloz and T. Itoh, Electromagnetic Metamaterials: Transmission Line Theory and Microwave Applications. Piscataway, NJ: Wiley-IEEE Press, 2005.
5. C. Caloz, A. Sanada, and T. Itoh, "A novel composite right/left-handed coupled-line directional coupler with arbitrary coupling level and broad bandwidth," IEEE Trans. Microw. Theory Tech., vol. 52, no. 3, pp. 980-992, Mar. 2004.
6. C. Caloz and T. Itoh, "A novel mixed conventional microstrip and composite right/left-handed backward-wave directional coupler with broadband and tight coupling characteristics," IEEE Microw. Wireless Compon. Lett., vol. 14, no. 1, pp. 31-33, Jan. 2004.
7. R. Islam, F. Elek, and G. V. Eleftheriades, "Coupled-line metamaterial coupler having co-directional power flow," Electron. Lett., vol. 14, no. 5, Mar. 2004.
8. R. Islam and G. V. Eleftheriades, "Printed high-directivity metamaterial MS/NRI coupled-line coupler for signal monitoring applications," IEEE Microw. Wireless Compon. Lett., vol. 16, no. 4, pp. 164-166, Apr. 2006.
9. H. V. Nguyen and C. Caloz, "Simple-design and compact MIM CRLH microstrip 3-dB coupled-line coupler," in IEEE MTT-S Int. Microw. Symp. Dig., San Francisco, CA, Jun. 2006, pp. 1733-1736.
10. B. M. Oliver, "Directional electromagnetic couplers," Proc. IRE, vol. 42, no. 11, pp. 1686-1692, Nov. 1954.
11. W. H. Louisell, Coupled Mode and Parametric Electronics. New York: Wiley, 1960.
12. M. K. Krage and G. I. Haddad, "Characteristics of coupled microstrip transmission lines - I: Coupled-mode formulation of inhomogeneous lines," IEEE Trans. Microw. Theory Tech., vol. MTT-18, no. 4, pp. 217-222, Apr. 1970.
13. D. M. Pozar, Microwave Engineering, 3rd ed. Hoboken, NJ: Wiley, 2005.
14. S. Ramo, J. R. Whinnery, and T. Van Duzer, Fields and Waves in Communication Electronics, 3rd ed. New York: Wiley, 1994.