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  1. M. Kuznetsov, “Radiation Loss in Dielectric Waveguide Y-Branch Structures,” IEEE/OSA J. Lightwave Technol. LT-3, 674 (1985).
    [CrossRef]
  2. O. Hanaizumi, M. Miyagi, S. Kawakami, “Wide Y-Junction with Low Losses in Three-Dimensional Dielectric Optical Waveguides,” IEEE J. Quantum Electron. QE-21, 168 (1985).
    [CrossRef]
  3. T. Findakly, B. Chen, “Single Mode Integrated Optical 1 × N Star Coupler,” Appl. Phys. Lett. 40, 549 (1982).
    [CrossRef]
  4. M. Belanger, G. L. Yip, M. Haruna, “Passive Planar Multibranch Optical Power Divider: Some Design Consideration,” Appl. Opt. 22, 2383 (1983).
    [CrossRef] [PubMed]
  5. R. A. Becker, L. M. Johnson, “Low-Loss Multiple-Branching Circuit in Ti-indiffused LiNbO3 Channel Waveguides,” Opt. Lett. 9, 246 (1984).
    [CrossRef] [PubMed]
  6. D. Yap, L. M. Johnson, “Coupling Between Successive Ti:LiNbO3 Waveguide Bends and Branches,” Appl. Opt. 23, 2991 (1984).
    [CrossRef] [PubMed]
  7. R. A. Forber, E. Marom, “Symmetric Directional Coupler Switches,” IEEE J. Quantum Electron. QE-22, 911 (1986).
    [CrossRef]
  8. A. Hardy, M. Osinski, W. Streifer, “Application of Coupled-Mode Theory to Nearly Parallel Waveguide Systems,” Electron. Lett. 22, 1249 (1986).
    [CrossRef]
  9. R. M. Knox, P. P. Toulios, “Integrated Circuits for the Millimeter Through Optical Frequency Range,” in Proceedings, Symposium on Submillimeter Waves, Microwave Research Institute Symposia Series, J. Fox, Ed. (Polytechnic Press, Brooklyn, 1971), p. 497.
  10. G. B. Hocker, W. K. Burns, “Mode Dispersion in Diffused Channel Waveguides by the Effective Index Method,” Appl. Opt. 16, 113 (1977); see references therein.
    [CrossRef] [PubMed]
  11. A. Hardy, W. Streifer, M. Osinski, “Coupled-Mode Equations for Multimode Systems in Isotropic or Anisotropic Media,” Opt. Lett. 11, 742 (1986).
    [CrossRef] [PubMed]
  12. A. Hardy, W. Streifer, “Coupled Mode Solutions to the Coupled Differential Equations of Multiwaveguide Systems,” IEEE J. Quantum Electron. QE-22, 528 (1986).
    [CrossRef]
  13. E. Kapon, R. N. Thurston, “Multichannel Waveguide Functions for Guided-Wave Optics,” Appl. Phys. Lett. 50, 1710 (1987).
    [CrossRef]

1987 (1)

E. Kapon, R. N. Thurston, “Multichannel Waveguide Functions for Guided-Wave Optics,” Appl. Phys. Lett. 50, 1710 (1987).
[CrossRef]

1986 (4)

A. Hardy, W. Streifer, M. Osinski, “Coupled-Mode Equations for Multimode Systems in Isotropic or Anisotropic Media,” Opt. Lett. 11, 742 (1986).
[CrossRef] [PubMed]

R. A. Forber, E. Marom, “Symmetric Directional Coupler Switches,” IEEE J. Quantum Electron. QE-22, 911 (1986).
[CrossRef]

A. Hardy, M. Osinski, W. Streifer, “Application of Coupled-Mode Theory to Nearly Parallel Waveguide Systems,” Electron. Lett. 22, 1249 (1986).
[CrossRef]

A. Hardy, W. Streifer, “Coupled Mode Solutions to the Coupled Differential Equations of Multiwaveguide Systems,” IEEE J. Quantum Electron. QE-22, 528 (1986).
[CrossRef]

1985 (2)

M. Kuznetsov, “Radiation Loss in Dielectric Waveguide Y-Branch Structures,” IEEE/OSA J. Lightwave Technol. LT-3, 674 (1985).
[CrossRef]

O. Hanaizumi, M. Miyagi, S. Kawakami, “Wide Y-Junction with Low Losses in Three-Dimensional Dielectric Optical Waveguides,” IEEE J. Quantum Electron. QE-21, 168 (1985).
[CrossRef]

1984 (2)

1983 (1)

1982 (1)

T. Findakly, B. Chen, “Single Mode Integrated Optical 1 × N Star Coupler,” Appl. Phys. Lett. 40, 549 (1982).
[CrossRef]

1977 (1)

Becker, R. A.

Belanger, M.

Burns, W. K.

Chen, B.

T. Findakly, B. Chen, “Single Mode Integrated Optical 1 × N Star Coupler,” Appl. Phys. Lett. 40, 549 (1982).
[CrossRef]

Findakly, T.

T. Findakly, B. Chen, “Single Mode Integrated Optical 1 × N Star Coupler,” Appl. Phys. Lett. 40, 549 (1982).
[CrossRef]

Forber, R. A.

R. A. Forber, E. Marom, “Symmetric Directional Coupler Switches,” IEEE J. Quantum Electron. QE-22, 911 (1986).
[CrossRef]

Hanaizumi, O.

O. Hanaizumi, M. Miyagi, S. Kawakami, “Wide Y-Junction with Low Losses in Three-Dimensional Dielectric Optical Waveguides,” IEEE J. Quantum Electron. QE-21, 168 (1985).
[CrossRef]

Hardy, A.

A. Hardy, M. Osinski, W. Streifer, “Application of Coupled-Mode Theory to Nearly Parallel Waveguide Systems,” Electron. Lett. 22, 1249 (1986).
[CrossRef]

A. Hardy, W. Streifer, M. Osinski, “Coupled-Mode Equations for Multimode Systems in Isotropic or Anisotropic Media,” Opt. Lett. 11, 742 (1986).
[CrossRef] [PubMed]

A. Hardy, W. Streifer, “Coupled Mode Solutions to the Coupled Differential Equations of Multiwaveguide Systems,” IEEE J. Quantum Electron. QE-22, 528 (1986).
[CrossRef]

Haruna, M.

Hocker, G. B.

Johnson, L. M.

Kapon, E.

E. Kapon, R. N. Thurston, “Multichannel Waveguide Functions for Guided-Wave Optics,” Appl. Phys. Lett. 50, 1710 (1987).
[CrossRef]

Kawakami, S.

O. Hanaizumi, M. Miyagi, S. Kawakami, “Wide Y-Junction with Low Losses in Three-Dimensional Dielectric Optical Waveguides,” IEEE J. Quantum Electron. QE-21, 168 (1985).
[CrossRef]

Knox, R. M.

R. M. Knox, P. P. Toulios, “Integrated Circuits for the Millimeter Through Optical Frequency Range,” in Proceedings, Symposium on Submillimeter Waves, Microwave Research Institute Symposia Series, J. Fox, Ed. (Polytechnic Press, Brooklyn, 1971), p. 497.

Kuznetsov, M.

M. Kuznetsov, “Radiation Loss in Dielectric Waveguide Y-Branch Structures,” IEEE/OSA J. Lightwave Technol. LT-3, 674 (1985).
[CrossRef]

Marom, E.

R. A. Forber, E. Marom, “Symmetric Directional Coupler Switches,” IEEE J. Quantum Electron. QE-22, 911 (1986).
[CrossRef]

Miyagi, M.

O. Hanaizumi, M. Miyagi, S. Kawakami, “Wide Y-Junction with Low Losses in Three-Dimensional Dielectric Optical Waveguides,” IEEE J. Quantum Electron. QE-21, 168 (1985).
[CrossRef]

Osinski, M.

A. Hardy, M. Osinski, W. Streifer, “Application of Coupled-Mode Theory to Nearly Parallel Waveguide Systems,” Electron. Lett. 22, 1249 (1986).
[CrossRef]

A. Hardy, W. Streifer, M. Osinski, “Coupled-Mode Equations for Multimode Systems in Isotropic or Anisotropic Media,” Opt. Lett. 11, 742 (1986).
[CrossRef] [PubMed]

Streifer, W.

A. Hardy, W. Streifer, M. Osinski, “Coupled-Mode Equations for Multimode Systems in Isotropic or Anisotropic Media,” Opt. Lett. 11, 742 (1986).
[CrossRef] [PubMed]

A. Hardy, W. Streifer, “Coupled Mode Solutions to the Coupled Differential Equations of Multiwaveguide Systems,” IEEE J. Quantum Electron. QE-22, 528 (1986).
[CrossRef]

A. Hardy, M. Osinski, W. Streifer, “Application of Coupled-Mode Theory to Nearly Parallel Waveguide Systems,” Electron. Lett. 22, 1249 (1986).
[CrossRef]

Thurston, R. N.

E. Kapon, R. N. Thurston, “Multichannel Waveguide Functions for Guided-Wave Optics,” Appl. Phys. Lett. 50, 1710 (1987).
[CrossRef]

Toulios, P. P.

R. M. Knox, P. P. Toulios, “Integrated Circuits for the Millimeter Through Optical Frequency Range,” in Proceedings, Symposium on Submillimeter Waves, Microwave Research Institute Symposia Series, J. Fox, Ed. (Polytechnic Press, Brooklyn, 1971), p. 497.

Yap, D.

Yip, G. L.

Appl. Opt. (3)

Appl. Phys. Lett. (2)

T. Findakly, B. Chen, “Single Mode Integrated Optical 1 × N Star Coupler,” Appl. Phys. Lett. 40, 549 (1982).
[CrossRef]

E. Kapon, R. N. Thurston, “Multichannel Waveguide Functions for Guided-Wave Optics,” Appl. Phys. Lett. 50, 1710 (1987).
[CrossRef]

Electron. Lett. (1)

A. Hardy, M. Osinski, W. Streifer, “Application of Coupled-Mode Theory to Nearly Parallel Waveguide Systems,” Electron. Lett. 22, 1249 (1986).
[CrossRef]

IEEE J. Quantum Electron. (3)

R. A. Forber, E. Marom, “Symmetric Directional Coupler Switches,” IEEE J. Quantum Electron. QE-22, 911 (1986).
[CrossRef]

O. Hanaizumi, M. Miyagi, S. Kawakami, “Wide Y-Junction with Low Losses in Three-Dimensional Dielectric Optical Waveguides,” IEEE J. Quantum Electron. QE-21, 168 (1985).
[CrossRef]

A. Hardy, W. Streifer, “Coupled Mode Solutions to the Coupled Differential Equations of Multiwaveguide Systems,” IEEE J. Quantum Electron. QE-22, 528 (1986).
[CrossRef]

IEEE/OSA J. Lightwave Technol. (1)

M. Kuznetsov, “Radiation Loss in Dielectric Waveguide Y-Branch Structures,” IEEE/OSA J. Lightwave Technol. LT-3, 674 (1985).
[CrossRef]

Opt. Lett. (2)

Other (1)

R. M. Knox, P. P. Toulios, “Integrated Circuits for the Millimeter Through Optical Frequency Range,” in Proceedings, Symposium on Submillimeter Waves, Microwave Research Institute Symposia Series, J. Fox, Ed. (Polytechnic Press, Brooklyn, 1971), p. 497.

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Figures (3)

Fig. 1
Fig. 1

Schematic illustration of multibranch couplers: (a) single-mode input guide; two-branch Y coupler terminating a two-mode-guide section; (b) single-mode input guide; three-branch coupler terminating a three-mode-guide section.

Fig. 2
Fig. 2

Variation of the power extinction ratio P 2 ( b ) / P 1 ( b ) (right scale) and the relative power P 2 ( b ) / P in transferred to the antisymmetric mode of the wide guide (left scale) as a function of the coupling length z0 of the two guides.

Fig. 3
Fig. 3

Amplitude distribution across the structure at z0 = 1 mm. Initial power distribution at z0 = 0 is wholly contained in the narrow guide. Dashed lines indicate guide boundaries.

Equations (4)

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E t ( x , y , z ) = u 1 ( a ) ( z ) E t 1 ( a ) ( x , y ) + u 1 ( b ) ( z ) E t 1 ( b ) ( x , y ) + u 2 ( b ) ( z ) E t 2 ( b ) ( x , y ) ,
d U d z = i ( B + P 1 K ) U ,
P 1 ( b ) = 1 4 | u 1 ( a ) ( z 0 ) P 12 + u 1 ( b ) ( z 0 ) | 2 ,
P 2 ( b ) = 1 4 | u 1 ( a ) ( z 0 ) P 13 + u 2 ( b ) ( z 0 ) | 2 ,

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