Abstract

Ring resonators are promising building blocks for developing compact optical filters with arbitrary functions; however, a major challenge for planar waveguide filter implementations is to overcome the limited free spectral range (FSR) for a given core-to-cladding refractive-index difference Δ while maintaining low loss and a large range of coupling ratios. The loss and coupling of rings operating in the whispering-gallery-mode regime were investigated by use of Ge-doped silica waveguides with a low refractive-index difference Δ=0.75%. A FSR of 12  GHz with a loss of 0.36 dB/cm was demonstrated with coupling ratios of 30% (41% optimum).

© 1998 Optical Society of America

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  1. K. Jinguji and M. Kawachi, J. Lightwave Technol. 13, 72 (1995).
    [CrossRef]
  2. C. K. Madsen and J. H. Zhao, J. Lightwave Technol. 14, 437 (1996).
    [CrossRef]
  3. K. Jinguji, J. Lightwave Technol. 14, 1882 (1996).
    [CrossRef]
  4. Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
    [CrossRef]
  5. J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.
  6. D. Marcuse, Bell Syst. Tech. J. 50, 2551 (1971).
    [CrossRef]
  7. E. A. J. Marcatili, Bell Syst. Tech. J. 48, 2102 (1969).
  8. R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
    [CrossRef]
  9. D. R. Rowland and J. D. Love, Proc. Inst. Electr. Eng. Part J 140, 177 (1993).
  10. C. K. Madsen, “Demonstration of the first general planar waveguide autoregressive optical filter,” Ph.D. dissertation (Rutgers University, New Brunswick, N.J., 1996).

1996 (2)

C. K. Madsen and J. H. Zhao, J. Lightwave Technol. 14, 437 (1996).
[CrossRef]

K. Jinguji, J. Lightwave Technol. 14, 1882 (1996).
[CrossRef]

1995 (2)

Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
[CrossRef]

K. Jinguji and M. Kawachi, J. Lightwave Technol. 13, 72 (1995).
[CrossRef]

1993 (1)

D. R. Rowland and J. D. Love, Proc. Inst. Electr. Eng. Part J 140, 177 (1993).

1991 (1)

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

1971 (1)

D. Marcuse, Bell Syst. Tech. J. 50, 2551 (1971).
[CrossRef]

1969 (1)

E. A. J. Marcatili, Bell Syst. Tech. J. 48, 2102 (1969).

Adar, R.

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

Blonder, G. E.

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

Chu, S.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Foresi, J. S.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Greene, W.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Haus, H.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Henry, C.

Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
[CrossRef]

Henry, C. H.

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

Ippen, E.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Jinguji, K.

K. Jinguji, J. Lightwave Technol. 14, 1882 (1996).
[CrossRef]

K. Jinguji and M. Kawachi, J. Lightwave Technol. 13, 72 (1995).
[CrossRef]

Kawachi, M.

K. Jinguji and M. Kawachi, J. Lightwave Technol. 13, 72 (1995).
[CrossRef]

Kimerling, L.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Kistler, R. C.

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

Laskowski, E.

Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
[CrossRef]

Li, Y.

Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
[CrossRef]

Little, B.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Love, J. D.

D. R. Rowland and J. D. Love, Proc. Inst. Electr. Eng. Part J 140, 177 (1993).

Madsen, C. K.

C. K. Madsen and J. H. Zhao, J. Lightwave Technol. 14, 437 (1996).
[CrossRef]

C. K. Madsen, “Demonstration of the first general planar waveguide autoregressive optical filter,” Ph.D. dissertation (Rutgers University, New Brunswick, N.J., 1996).

Mak, C.

Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
[CrossRef]

Marcatili, E. A. J.

E. A. J. Marcatili, Bell Syst. Tech. J. 48, 2102 (1969).

Marcuse, D.

D. Marcuse, Bell Syst. Tech. J. 50, 2551 (1971).
[CrossRef]

Olsson, N. A.

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

Rowland, D. R.

D. R. Rowland and J. D. Love, Proc. Inst. Electr. Eng. Part J 140, 177 (1993).

Shani, Y.

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

Steinmeyer, G.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Thoen, E.

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

Yaffe, H.

Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
[CrossRef]

Zhao, J. H.

C. K. Madsen and J. H. Zhao, J. Lightwave Technol. 14, 437 (1996).
[CrossRef]

Appl. Phys. Lett. (1)

R. Adar, Y. Shani, C. H. Henry, R. C. Kistler, G. E. Blonder, and N. A. Olsson, Appl. Phys. Lett. 58, 444 (1991).
[CrossRef]

Bell Syst. Tech. J. (2)

D. Marcuse, Bell Syst. Tech. J. 50, 2551 (1971).
[CrossRef]

E. A. J. Marcatili, Bell Syst. Tech. J. 48, 2102 (1969).

Electron. Lett. (1)

Y. Li, C. Henry, E. Laskowski, C. Mak, and H. Yaffe, Electron. Lett. 31, 2005 (1995).
[CrossRef]

J. Lightwave Technol. (3)

K. Jinguji and M. Kawachi, J. Lightwave Technol. 13, 72 (1995).
[CrossRef]

C. K. Madsen and J. H. Zhao, J. Lightwave Technol. 14, 437 (1996).
[CrossRef]

K. Jinguji, J. Lightwave Technol. 14, 1882 (1996).
[CrossRef]

Proc. Inst. Electr. Eng. Part J (1)

D. R. Rowland and J. D. Love, Proc. Inst. Electr. Eng. Part J 140, 177 (1993).

Other (2)

C. K. Madsen, “Demonstration of the first general planar waveguide autoregressive optical filter,” Ph.D. dissertation (Rutgers University, New Brunswick, N.J., 1996).

J. S. Foresi, B. Little, G. Steinmeyer, E. Thoen, S. Chu, H. Haus, E. Ippen, L. Kimerling, and W. Greene, in Conference on Lasers and Electro-Optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), paper CPD22-2.

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Figures (3)

Fig. 1
Fig. 1

Magnitude and group-delay responses for the 12µm-width ring from Set #2. The inset shows the ring resonator schematically.

Fig. 2
Fig. 2

Measured ring loss as a function of the ring waveguide width.

Fig. 3
Fig. 3

Measured coupling ratios as a function of the ring waveguide width for two different input waveguide widths: Set #1 wio=6 µm and Set #2 wio=4 µm.

Equations (1)

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Hz=t-δz-11-δtz-1,

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