B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, "Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations," J. Lightwave Technol. 14, 2301-2310 (1996).

[CrossRef]

M. Kuznetsov, "Cascaded coupler Mach-Zehnder channel dropping filter for wavelength-division-multiplexed optical systems," J. Lightwave Technol. 12, 226-230 (1994).

[CrossRef]

N. Frigo, "A generalized geometrical representation of coupled mode theory," IEEE J. Quantum Electron. 22, 2131-2140 (1986).

[CrossRef]

S. K. Korotky, "Three-space representation of phase-mismatch switching in coupled two-state optical systems," IEEE J. Quantum Electron. QE-22, 952-958 (1986).

[CrossRef]

B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

N. Frigo, "A generalized geometrical representation of coupled mode theory," IEEE J. Quantum Electron. 22, 2131-2140 (1986).

[CrossRef]

B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, "Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations," J. Lightwave Technol. 14, 2301-2310 (1996).

[CrossRef]

B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, "Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations," J. Lightwave Technol. 14, 2301-2310 (1996).

[CrossRef]

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, "Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations," J. Lightwave Technol. 14, 2301-2310 (1996).

[CrossRef]

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, "Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations," J. Lightwave Technol. 14, 2301-2310 (1996).

[CrossRef]

S. K. Korotky, "Three-space representation of phase-mismatch switching in coupled two-state optical systems," IEEE J. Quantum Electron. QE-22, 952-958 (1986).

[CrossRef]

M. Kuznetsov, "Cascaded coupler Mach-Zehnder channel dropping filter for wavelength-division-multiplexed optical systems," J. Lightwave Technol. 12, 226-230 (1994).

[CrossRef]

C. K. Madsen, Optical Filter Design and Analysis (Wiley, 1999).

[CrossRef]

B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, "Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations," J. Lightwave Technol. 14, 2301-2310 (1996).

[CrossRef]

N. Frigo, "A generalized geometrical representation of coupled mode theory," IEEE J. Quantum Electron. 22, 2131-2140 (1986).

[CrossRef]

S. K. Korotky, "Three-space representation of phase-mismatch switching in coupled two-state optical systems," IEEE J. Quantum Electron. QE-22, 952-958 (1986).

[CrossRef]

B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks," IEEE J. Sel. Top. Quantum Electron. 5, 1400-1406 (1999).

[CrossRef]

K. Jinguji, N. Takato, Y. Hida, T. Kitoh, and M. Kawachi, "Two-port optical wavelength circuits composed of cascaded Mach-Zehnder interferometers with point-symmetrical configurations," J. Lightwave Technol. 14, 2301-2310 (1996).

[CrossRef]

M. Kuznetsov, "Cascaded coupler Mach-Zehnder channel dropping filter for wavelength-division-multiplexed optical systems," J. Lightwave Technol. 12, 226-230 (1994).

[CrossRef]

M. Tormen and M. Cherchi, "Wavelength-flattened directional couplers for mirror-symmetric interferometers," J. Lightwave Technol. 23, 4387-4392 (2005).

[CrossRef]

C. K. Madsen, Optical Filter Design and Analysis (Wiley, 1999).

[CrossRef]

Fimmwave, fully vectorial semianalytical mode solver by PhotonDesign, http://www.photond.com.

BeamPROP, vectorial beam propagator by RSoft Inc., http://www.rsoftdesign.com.