Abstract

Rigorous simulations of bent and branched sections of coupled resonator optical waveguides (CROWs) composed of side-coupled whispering gallery (WG) mode microdisks are performed. Pre- and post-fabrication tuning capability of the designed structures is explored, and a novel concept of realization of tunable CROW-based routers and switches is introduced. The proposed tuning mechanism exploits the properties of CROW optical modes coupling with avoided crossing scenario rather than the previously used Vernier effect. Applications of spectrally-engineered branched CROW structures for controllable manipulation of coupling between spatially separated nano-emitters are also discussed.

© 2007 Optical Society of America

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2007 (10)

B. Moeller, U. Woggon, and M. V. Artemyev, "Bloch modes and disorder phenomena in coupled resonator chains," Phys. Rev. B 75, 245327 (2007).
[CrossRef]

S. V. Boriskina, T. M. Benson, and P. Sewell, "Photonic molecules made of matched and mismatched micro-cavities: new functionalities of microlasers and optoelectronic components," Proc. SPIE 6452, 64520X (2007).
[CrossRef]

S. V. Pishko and S. V. Boriskina, "Theory and numerical design of coupled-resonator optical waveguide sections with bends," Proc. SPIE 6645, 664521 (2007).
[CrossRef]

M. Soltani, S. Yegnanarayanan, and A. Adibi, "Ultra-high Q planar silicon microdisk resonators for chip-scale silicon photonics," Opt. Express 15, 4694-4704 (2007).
[CrossRef] [PubMed]

S. V. Boriskina, "Coupling of WG modes in size-mismatched microdisk photonic molecules," Opt. Lett. 321557-1559 (2007).
[CrossRef] [PubMed]

J. -J. Li, J. -X. Wang, and Y. -Z. Huang, "Mode coupling between first- and second-order whispering-gallery modes in coupled microdisks," Opt. Lett. 32, 1563-1565 (2007).
[CrossRef] [PubMed]

M. Karl, S. Li, T. Passow, W. Löffler, H. Kalt, and M. Hetterich, "Localized and delocalized modes in coupled optical micropillar cavities," Opt. Express 15, 8191-8196 (2007).
[CrossRef] [PubMed]

M. Först, J. Niehusmann, T. Plötzing, J. Bolten, T. Wahlbrink, C. Moormann, and H. Kurz, "High-speed all-optical switching in ion-implanted SOI microring resonators," Opt. Lett. 32, 2046-2048 (2007).
[CrossRef] [PubMed]

S. V. Pishko, P. Sewell, T. M. Benson, and S. V. Boriskina, "Efficient analysis and design of low-loss WG-mode coupled resonator optical waveguide bends," J. Lightwave Technol. 25, 2487-2494 (2007).
[CrossRef]

M. Beaugeois, B. Pinchemel, M. Bouazaoui, M. Lesecq, S. Maricot, and J. P. Vilcot, "All-optical tunability of InGaAsP/InP microdisk resonator by infrared light irradiation," Opt. Lett. 32, 35-37 (2007).
[CrossRef]

2006 (12)

A. Morand, Y. Zhang, B. Martin, K.P. Huy, D. Amans, P. Benech, J. Verbert, E. Hadji, and J.-M. Fédéli, "Ultra-compact microdisk resonator filters on SOI substrate," Opt. Express 14, 12814-12821 (2006).
[CrossRef] [PubMed]

S. V. Boriskina, "Theoretical prediction of a dramatic Q-factor enhancement and degeneracy removal of whispering gallery modes in symmetrical photonic molecules," Opt. Lett. 31, 338-340 (2006).
[CrossRef] [PubMed]

Z. Chen, A. Taflove, and V. Backman, "Highly efficient optical coupling and transport phenomena in chains of dielectric microspheres," Opt. Lett. 31, 389-391 (2006).
[CrossRef] [PubMed]

S. Mookherjea, "Spectral characteristics of coupled resonators," J. Opt. Soc. Am. B 23, 1137-1145 (2006).
[CrossRef]

L. Zhou and A. W. Poon, "Silicon electro-optic modulators using p-i-n diodes embedded 10-micron-diameter microdisk resonators," Opt. Express 14, 6851-6857 (2006).
[CrossRef] [PubMed]

S. P. Ashili, V. N. Astratov, and E. C. H. Sykes, "The effects of inter-cavity separation on optical coupling in dielectric bispheres," Opt. Express 14, 9460-9466 (2006).
[CrossRef] [PubMed]

F. Xia, L. Sekaric, M. O'Boyle, and Y. Vlasov, "Coupled resonator optical waveguides based on silicon-on-insulator photonic wires," Appl. Phys. Lett. 89, 041122 (2006).
[CrossRef]

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nature Photonics 1, 65-71 (2006).
[CrossRef]

J. Scheuer and A. Yariv, "Sagnac effect in coupled-resonator slow-light waveguide structures," Phys. Rev. Lett. 96, 053901 (2006).
[CrossRef] [PubMed]

S. Ishii, A. Nakagawa, and T. Baba, "Modal characteristics and bistability in twin microdisk photonic molecule lasers," IEEE J. Sel. Top. Quantum. Electron. 12, 71-77 (2006).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Optical coupling of whispering-gallery modes of two identical microdisks and its effect on photonic molecule lasing," IEEE J. Sel. Top. Quantum. Electron. 12, 78-85 (2006).
[CrossRef]

J. Wiersig, "Formation of long-lived, scarlike modes near avoided resonance crossings in optical microcavities," Phys. Rev. Lett. 97, 253901 (2006).
[CrossRef]

2005 (9)

A. A. Savchenkov, V. S. Ilchenko, A. B. Matsko, and L. Maleki, "High-order tunable filters based on a chain of coupled crystalline WG-mode resonators," IEEE Photon. Technol. Lett. 17, 136-138 (2005).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Cold-cavity thresholds of microdisks with uniform and nonuniform gain: quasi-3-D modeling with accurate 2-D analysis," IEEE J. Sel. Top. Quantum Electron. 11, 1135-1142 (2005).
[CrossRef]

M. Lipson, "Switching light on a silicon chip," Opt. Mater. 27, 731-729 (2005).
[CrossRef]

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, "Micrometre-scale silicon electro-optic modulator," Nature 435, 325-327 (2005).
[CrossRef] [PubMed]

D. Geuzebroek, E. Klein, H. Kelderman, N. Baker, and A. Driessen, "Compact wavelength-selective switch for gigabit filtering in access networks," IEEE Photon. Technol. Lett. 17, 336-338 (2005).
[CrossRef]

T. Baehr-Jones, M. Hochberg, C. Walker, E. Chan, D. Koshinz, W. Krug, and A. Scherer, "Analysis of the tuning sensitivity of SOI optical ring resonators," J. Lightwave Technol. 23, 4215-4221 (2005).
[CrossRef]

S. J. Emelett and R. Soref, "Design and simulation of silicon microring optical routing switches," J. Lightwave Technol. 23, 1800-1807 (2005).
[CrossRef]

B. M. Möller, U. Woggon, and M. V. Artemyev, "Coupled-resonator optical waveguides doped with nanocrystals," Opt. Lett. 30, 2116-2118 (2005).
[CrossRef] [PubMed]

S. Mookherjea, "Dispersion characteristics of coupled-resonator optical waveguides," Opt. Lett. 30, 2406-2408 (2005).
[CrossRef] [PubMed]

2004 (3)

J. K. S. Poon, J. Scheuer, Y. Xu, and A. Yariv, "Designing coupled-resonator optical waveguide delay lines," J. Opt. Soc. Am. B 21, 1665-1673 (2004).
[CrossRef]

V. N. Astratov, J. P. Franchak, and S. P. Ashili, "Optical coupling and transport phenomena in chains of spherical dielectric microresonators with size disorder," Appl. Phys. Lett. 85, 5508-5510 (2004).
[CrossRef]

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

2003 (1)

A. Melloni, F. Morichetti, and M. Martinelli, "Linear and nonlinear pulse propagation in coupled resonator slow-wave optical structures," Opt. Quantum Electron. 35, 365-379 (2003).
[CrossRef]

2002 (2)

K. Djordjev, S.-J. Choi, S.-J. Choi, and P. D. Dapkus, "Microdisk tunable resonant filters and switches," IEEE Photon. Technol. Lett. 14, 828-830 (2002).
[CrossRef]

J. E. Heebner and R. W. Boyd, "'Slow' and 'fast' light in resonator-coupled waveguides," J. Mod. Opt. 49, 2629-2636 (2002).
[CrossRef]

2000 (1)

W. D. Heiss, "Repulsion of resonance states and exceptional points," Phys. Rev. E,  61, 929-932 (2000).
[CrossRef]

1999 (1)

Adibi, A.

Amans, D.

Artemyev, M. V.

B. Moeller, U. Woggon, and M. V. Artemyev, "Bloch modes and disorder phenomena in coupled resonator chains," Phys. Rev. B 75, 245327 (2007).
[CrossRef]

B. M. Möller, U. Woggon, and M. V. Artemyev, "Coupled-resonator optical waveguides doped with nanocrystals," Opt. Lett. 30, 2116-2118 (2005).
[CrossRef] [PubMed]

Ashili, S. P.

S. P. Ashili, V. N. Astratov, and E. C. H. Sykes, "The effects of inter-cavity separation on optical coupling in dielectric bispheres," Opt. Express 14, 9460-9466 (2006).
[CrossRef] [PubMed]

V. N. Astratov, J. P. Franchak, and S. P. Ashili, "Optical coupling and transport phenomena in chains of spherical dielectric microresonators with size disorder," Appl. Phys. Lett. 85, 5508-5510 (2004).
[CrossRef]

Astratov, V. N.

S. P. Ashili, V. N. Astratov, and E. C. H. Sykes, "The effects of inter-cavity separation on optical coupling in dielectric bispheres," Opt. Express 14, 9460-9466 (2006).
[CrossRef] [PubMed]

V. N. Astratov, J. P. Franchak, and S. P. Ashili, "Optical coupling and transport phenomena in chains of spherical dielectric microresonators with size disorder," Appl. Phys. Lett. 85, 5508-5510 (2004).
[CrossRef]

Baba, T.

S. Ishii, A. Nakagawa, and T. Baba, "Modal characteristics and bistability in twin microdisk photonic molecule lasers," IEEE J. Sel. Top. Quantum. Electron. 12, 71-77 (2006).
[CrossRef]

Backman, V.

Baehr-Jones, T.

Baker, N.

D. Geuzebroek, E. Klein, H. Kelderman, N. Baker, and A. Driessen, "Compact wavelength-selective switch for gigabit filtering in access networks," IEEE Photon. Technol. Lett. 17, 336-338 (2005).
[CrossRef]

Beaugeois, M.

Benech, P.

Benson, T. M.

S. V. Boriskina, T. M. Benson, and P. Sewell, "Photonic molecules made of matched and mismatched micro-cavities: new functionalities of microlasers and optoelectronic components," Proc. SPIE 6452, 64520X (2007).
[CrossRef]

S. V. Pishko, P. Sewell, T. M. Benson, and S. V. Boriskina, "Efficient analysis and design of low-loss WG-mode coupled resonator optical waveguide bends," J. Lightwave Technol. 25, 2487-2494 (2007).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Optical coupling of whispering-gallery modes of two identical microdisks and its effect on photonic molecule lasing," IEEE J. Sel. Top. Quantum. Electron. 12, 78-85 (2006).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Cold-cavity thresholds of microdisks with uniform and nonuniform gain: quasi-3-D modeling with accurate 2-D analysis," IEEE J. Sel. Top. Quantum Electron. 11, 1135-1142 (2005).
[CrossRef]

Binsma, H.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Bolten, J.

Boriskina, S. V.

Bouazaoui, M.

Boyd, R. W.

J. E. Heebner and R. W. Boyd, "'Slow' and 'fast' light in resonator-coupled waveguides," J. Mod. Opt. 49, 2629-2636 (2002).
[CrossRef]

Chan, E.

Chen, Z.

Choi, S.-J.

K. Djordjev, S.-J. Choi, S.-J. Choi, and P. D. Dapkus, "Microdisk tunable resonant filters and switches," IEEE Photon. Technol. Lett. 14, 828-830 (2002).
[CrossRef]

K. Djordjev, S.-J. Choi, S.-J. Choi, and P. D. Dapkus, "Microdisk tunable resonant filters and switches," IEEE Photon. Technol. Lett. 14, 828-830 (2002).
[CrossRef]

Dapkus, P. D.

K. Djordjev, S.-J. Choi, S.-J. Choi, and P. D. Dapkus, "Microdisk tunable resonant filters and switches," IEEE Photon. Technol. Lett. 14, 828-830 (2002).
[CrossRef]

de Vries, T.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

den Besten, J. H.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Djordjev, K.

K. Djordjev, S.-J. Choi, S.-J. Choi, and P. D. Dapkus, "Microdisk tunable resonant filters and switches," IEEE Photon. Technol. Lett. 14, 828-830 (2002).
[CrossRef]

Dorren, H. J. S.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Driessen, A.

D. Geuzebroek, E. Klein, H. Kelderman, N. Baker, and A. Driessen, "Compact wavelength-selective switch for gigabit filtering in access networks," IEEE Photon. Technol. Lett. 17, 336-338 (2005).
[CrossRef]

Emelett, S. J.

Fédéli, J.-M.

Först, M.

Franchak, J. P.

V. N. Astratov, J. P. Franchak, and S. P. Ashili, "Optical coupling and transport phenomena in chains of spherical dielectric microresonators with size disorder," Appl. Phys. Lett. 85, 5508-5510 (2004).
[CrossRef]

Geuzebroek, D.

D. Geuzebroek, E. Klein, H. Kelderman, N. Baker, and A. Driessen, "Compact wavelength-selective switch for gigabit filtering in access networks," IEEE Photon. Technol. Lett. 17, 336-338 (2005).
[CrossRef]

Hadji, E.

Heebner, J. E.

J. E. Heebner and R. W. Boyd, "'Slow' and 'fast' light in resonator-coupled waveguides," J. Mod. Opt. 49, 2629-2636 (2002).
[CrossRef]

Heiss, W. D.

W. D. Heiss, "Repulsion of resonance states and exceptional points," Phys. Rev. E,  61, 929-932 (2000).
[CrossRef]

Hetterich, M.

Hill, M. T.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Hochberg, M.

Huang, Y. -Z.

Huy, K.P.

Ilchenko, V. S.

A. A. Savchenkov, V. S. Ilchenko, A. B. Matsko, and L. Maleki, "High-order tunable filters based on a chain of coupled crystalline WG-mode resonators," IEEE Photon. Technol. Lett. 17, 136-138 (2005).
[CrossRef]

Ishii, S.

S. Ishii, A. Nakagawa, and T. Baba, "Modal characteristics and bistability in twin microdisk photonic molecule lasers," IEEE J. Sel. Top. Quantum. Electron. 12, 71-77 (2006).
[CrossRef]

Kalt, H.

Karl, M.

Kelderman, H.

D. Geuzebroek, E. Klein, H. Kelderman, N. Baker, and A. Driessen, "Compact wavelength-selective switch for gigabit filtering in access networks," IEEE Photon. Technol. Lett. 17, 336-338 (2005).
[CrossRef]

Khoe, G.-D.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Klein, E.

D. Geuzebroek, E. Klein, H. Kelderman, N. Baker, and A. Driessen, "Compact wavelength-selective switch for gigabit filtering in access networks," IEEE Photon. Technol. Lett. 17, 336-338 (2005).
[CrossRef]

Koshinz, D.

Krug, W.

Kurz, H.

Lee, R. K.

Leijtens, X. J. M.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Lesecq, M.

Li, J. -J.

Li, S.

Lipson, M.

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, "Micrometre-scale silicon electro-optic modulator," Nature 435, 325-327 (2005).
[CrossRef] [PubMed]

M. Lipson, "Switching light on a silicon chip," Opt. Mater. 27, 731-729 (2005).
[CrossRef]

Löffler, W.

Maleki, L.

A. A. Savchenkov, V. S. Ilchenko, A. B. Matsko, and L. Maleki, "High-order tunable filters based on a chain of coupled crystalline WG-mode resonators," IEEE Photon. Technol. Lett. 17, 136-138 (2005).
[CrossRef]

Maricot, S.

Martin, B.

Martinelli, M.

A. Melloni, F. Morichetti, and M. Martinelli, "Linear and nonlinear pulse propagation in coupled resonator slow-wave optical structures," Opt. Quantum Electron. 35, 365-379 (2003).
[CrossRef]

Matsko, A. B.

A. A. Savchenkov, V. S. Ilchenko, A. B. Matsko, and L. Maleki, "High-order tunable filters based on a chain of coupled crystalline WG-mode resonators," IEEE Photon. Technol. Lett. 17, 136-138 (2005).
[CrossRef]

Melloni, A.

A. Melloni, F. Morichetti, and M. Martinelli, "Linear and nonlinear pulse propagation in coupled resonator slow-wave optical structures," Opt. Quantum Electron. 35, 365-379 (2003).
[CrossRef]

Moeller, B.

B. Moeller, U. Woggon, and M. V. Artemyev, "Bloch modes and disorder phenomena in coupled resonator chains," Phys. Rev. B 75, 245327 (2007).
[CrossRef]

Möller, B. M.

Mookherjea, S.

Moormann, C.

Morand, A.

Morichetti, F.

A. Melloni, F. Morichetti, and M. Martinelli, "Linear and nonlinear pulse propagation in coupled resonator slow-wave optical structures," Opt. Quantum Electron. 35, 365-379 (2003).
[CrossRef]

Nakagawa, A.

S. Ishii, A. Nakagawa, and T. Baba, "Modal characteristics and bistability in twin microdisk photonic molecule lasers," IEEE J. Sel. Top. Quantum. Electron. 12, 71-77 (2006).
[CrossRef]

Niehusmann, J.

Nosich, A. I.

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Optical coupling of whispering-gallery modes of two identical microdisks and its effect on photonic molecule lasing," IEEE J. Sel. Top. Quantum. Electron. 12, 78-85 (2006).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Cold-cavity thresholds of microdisks with uniform and nonuniform gain: quasi-3-D modeling with accurate 2-D analysis," IEEE J. Sel. Top. Quantum Electron. 11, 1135-1142 (2005).
[CrossRef]

O'Boyle, M.

F. Xia, L. Sekaric, M. O'Boyle, and Y. Vlasov, "Coupled resonator optical waveguides based on silicon-on-insulator photonic wires," Appl. Phys. Lett. 89, 041122 (2006).
[CrossRef]

Oei, Y.-S.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Passow, T.

Pinchemel, B.

Pishko, S. V.

S. V. Pishko and S. V. Boriskina, "Theory and numerical design of coupled-resonator optical waveguide sections with bends," Proc. SPIE 6645, 664521 (2007).
[CrossRef]

S. V. Pishko, P. Sewell, T. M. Benson, and S. V. Boriskina, "Efficient analysis and design of low-loss WG-mode coupled resonator optical waveguide bends," J. Lightwave Technol. 25, 2487-2494 (2007).
[CrossRef]

Plötzing, T.

Poon, A. W.

Poon, J. K. S.

Pradhan, S.

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, "Micrometre-scale silicon electro-optic modulator," Nature 435, 325-327 (2005).
[CrossRef] [PubMed]

Savchenkov, A. A.

A. A. Savchenkov, V. S. Ilchenko, A. B. Matsko, and L. Maleki, "High-order tunable filters based on a chain of coupled crystalline WG-mode resonators," IEEE Photon. Technol. Lett. 17, 136-138 (2005).
[CrossRef]

Scherer, A.

Scheuer, J.

J. Scheuer and A. Yariv, "Sagnac effect in coupled-resonator slow-light waveguide structures," Phys. Rev. Lett. 96, 053901 (2006).
[CrossRef] [PubMed]

J. K. S. Poon, J. Scheuer, Y. Xu, and A. Yariv, "Designing coupled-resonator optical waveguide delay lines," J. Opt. Soc. Am. B 21, 1665-1673 (2004).
[CrossRef]

Schmidt, B.

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, "Micrometre-scale silicon electro-optic modulator," Nature 435, 325-327 (2005).
[CrossRef] [PubMed]

Sekaric, L.

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nature Photonics 1, 65-71 (2006).
[CrossRef]

F. Xia, L. Sekaric, M. O'Boyle, and Y. Vlasov, "Coupled resonator optical waveguides based on silicon-on-insulator photonic wires," Appl. Phys. Lett. 89, 041122 (2006).
[CrossRef]

Sewell, P.

S. V. Boriskina, T. M. Benson, and P. Sewell, "Photonic molecules made of matched and mismatched micro-cavities: new functionalities of microlasers and optoelectronic components," Proc. SPIE 6452, 64520X (2007).
[CrossRef]

S. V. Pishko, P. Sewell, T. M. Benson, and S. V. Boriskina, "Efficient analysis and design of low-loss WG-mode coupled resonator optical waveguide bends," J. Lightwave Technol. 25, 2487-2494 (2007).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Optical coupling of whispering-gallery modes of two identical microdisks and its effect on photonic molecule lasing," IEEE J. Sel. Top. Quantum. Electron. 12, 78-85 (2006).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Cold-cavity thresholds of microdisks with uniform and nonuniform gain: quasi-3-D modeling with accurate 2-D analysis," IEEE J. Sel. Top. Quantum Electron. 11, 1135-1142 (2005).
[CrossRef]

Smalbrugge, B.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Smit, M. K.

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Smotrova, E. I.

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Optical coupling of whispering-gallery modes of two identical microdisks and its effect on photonic molecule lasing," IEEE J. Sel. Top. Quantum. Electron. 12, 78-85 (2006).
[CrossRef]

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Cold-cavity thresholds of microdisks with uniform and nonuniform gain: quasi-3-D modeling with accurate 2-D analysis," IEEE J. Sel. Top. Quantum Electron. 11, 1135-1142 (2005).
[CrossRef]

Soltani, M.

Soref, R.

Sykes, E. C. H.

Taflove, A.

Verbert, J.

Vilcot, J. P.

Vlasov, Y.

F. Xia, L. Sekaric, M. O'Boyle, and Y. Vlasov, "Coupled resonator optical waveguides based on silicon-on-insulator photonic wires," Appl. Phys. Lett. 89, 041122 (2006).
[CrossRef]

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nature Photonics 1, 65-71 (2006).
[CrossRef]

Wahlbrink, T.

Walker, C.

Wang, J. -X.

Wiersig, J.

J. Wiersig, "Formation of long-lived, scarlike modes near avoided resonance crossings in optical microcavities," Phys. Rev. Lett. 97, 253901 (2006).
[CrossRef]

Woggon, U.

B. Moeller, U. Woggon, and M. V. Artemyev, "Bloch modes and disorder phenomena in coupled resonator chains," Phys. Rev. B 75, 245327 (2007).
[CrossRef]

B. M. Möller, U. Woggon, and M. V. Artemyev, "Coupled-resonator optical waveguides doped with nanocrystals," Opt. Lett. 30, 2116-2118 (2005).
[CrossRef] [PubMed]

Xia, F.

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nature Photonics 1, 65-71 (2006).
[CrossRef]

F. Xia, L. Sekaric, M. O'Boyle, and Y. Vlasov, "Coupled resonator optical waveguides based on silicon-on-insulator photonic wires," Appl. Phys. Lett. 89, 041122 (2006).
[CrossRef]

Xu, Q.

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, "Micrometre-scale silicon electro-optic modulator," Nature 435, 325-327 (2005).
[CrossRef] [PubMed]

Xu, Y.

Yariv, A.

Yegnanarayanan, S.

Zhang, Y.

Zhou, L.

Appl. Phys. Lett. (2)

F. Xia, L. Sekaric, M. O'Boyle, and Y. Vlasov, "Coupled resonator optical waveguides based on silicon-on-insulator photonic wires," Appl. Phys. Lett. 89, 041122 (2006).
[CrossRef]

V. N. Astratov, J. P. Franchak, and S. P. Ashili, "Optical coupling and transport phenomena in chains of spherical dielectric microresonators with size disorder," Appl. Phys. Lett. 85, 5508-5510 (2004).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Cold-cavity thresholds of microdisks with uniform and nonuniform gain: quasi-3-D modeling with accurate 2-D analysis," IEEE J. Sel. Top. Quantum Electron. 11, 1135-1142 (2005).
[CrossRef]

IEEE J. Sel. Top. Quantum. Electron. (2)

E. I. Smotrova, A. I. Nosich, T. M. Benson, and P. Sewell, "Optical coupling of whispering-gallery modes of two identical microdisks and its effect on photonic molecule lasing," IEEE J. Sel. Top. Quantum. Electron. 12, 78-85 (2006).
[CrossRef]

S. Ishii, A. Nakagawa, and T. Baba, "Modal characteristics and bistability in twin microdisk photonic molecule lasers," IEEE J. Sel. Top. Quantum. Electron. 12, 71-77 (2006).
[CrossRef]

IEEE Photon. Technol. Lett. (3)

A. A. Savchenkov, V. S. Ilchenko, A. B. Matsko, and L. Maleki, "High-order tunable filters based on a chain of coupled crystalline WG-mode resonators," IEEE Photon. Technol. Lett. 17, 136-138 (2005).
[CrossRef]

D. Geuzebroek, E. Klein, H. Kelderman, N. Baker, and A. Driessen, "Compact wavelength-selective switch for gigabit filtering in access networks," IEEE Photon. Technol. Lett. 17, 336-338 (2005).
[CrossRef]

K. Djordjev, S.-J. Choi, S.-J. Choi, and P. D. Dapkus, "Microdisk tunable resonant filters and switches," IEEE Photon. Technol. Lett. 14, 828-830 (2002).
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J. Lightwave Technol. (3)

J. Mod. Opt. (1)

J. E. Heebner and R. W. Boyd, "'Slow' and 'fast' light in resonator-coupled waveguides," J. Mod. Opt. 49, 2629-2636 (2002).
[CrossRef]

J. Opt. Soc. Am. B (2)

Nature (2)

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, "Micrometre-scale silicon electro-optic modulator," Nature 435, 325-327 (2005).
[CrossRef] [PubMed]

M. T. Hill, H. J. S. Dorren, T. de Vries, X. J. M. Leijtens, J. H. den Besten, B. Smalbrugge, Y.-S. Oei, H. Binsma, G.-D. Khoe, and M. K. Smit, "A fast low-power optical memory based on coupled micro-ring lasers," Nature 432, 206-209 (2004).
[CrossRef] [PubMed]

Nature Photonics (1)

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nature Photonics 1, 65-71 (2006).
[CrossRef]

Opt. Express (5)

Opt. Lett. (9)

M. Först, J. Niehusmann, T. Plötzing, J. Bolten, T. Wahlbrink, C. Moormann, and H. Kurz, "High-speed all-optical switching in ion-implanted SOI microring resonators," Opt. Lett. 32, 2046-2048 (2007).
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A. Yariv, Y. Xu, R. K. Lee, and A. Scherer, "Coupled-resonator optical waveguide: a proposal and analysis," Opt. Lett. 24, 711-713 (1999).
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S. V. Boriskina, "Coupling of WG modes in size-mismatched microdisk photonic molecules," Opt. Lett. 321557-1559 (2007).
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[CrossRef] [PubMed]

M. Beaugeois, B. Pinchemel, M. Bouazaoui, M. Lesecq, S. Maricot, and J. P. Vilcot, "All-optical tunability of InGaAsP/InP microdisk resonator by infrared light irradiation," Opt. Lett. 32, 35-37 (2007).
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B. M. Möller, U. Woggon, and M. V. Artemyev, "Coupled-resonator optical waveguides doped with nanocrystals," Opt. Lett. 30, 2116-2118 (2005).
[CrossRef] [PubMed]

S. Mookherjea, "Dispersion characteristics of coupled-resonator optical waveguides," Opt. Lett. 30, 2406-2408 (2005).
[CrossRef] [PubMed]

S. V. Boriskina, "Theoretical prediction of a dramatic Q-factor enhancement and degeneracy removal of whispering gallery modes in symmetrical photonic molecules," Opt. Lett. 31, 338-340 (2006).
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Z. Chen, A. Taflove, and V. Backman, "Highly efficient optical coupling and transport phenomena in chains of dielectric microspheres," Opt. Lett. 31, 389-391 (2006).
[CrossRef] [PubMed]

Opt. Mater. (1)

M. Lipson, "Switching light on a silicon chip," Opt. Mater. 27, 731-729 (2005).
[CrossRef]

Opt. Quantum Electron. (1)

A. Melloni, F. Morichetti, and M. Martinelli, "Linear and nonlinear pulse propagation in coupled resonator slow-wave optical structures," Opt. Quantum Electron. 35, 365-379 (2003).
[CrossRef]

Phys. Rev. B (1)

B. Moeller, U. Woggon, and M. V. Artemyev, "Bloch modes and disorder phenomena in coupled resonator chains," Phys. Rev. B 75, 245327 (2007).
[CrossRef]

Phys. Rev. E (1)

W. D. Heiss, "Repulsion of resonance states and exceptional points," Phys. Rev. E,  61, 929-932 (2000).
[CrossRef]

Phys. Rev. Lett. (2)

J. Wiersig, "Formation of long-lived, scarlike modes near avoided resonance crossings in optical microcavities," Phys. Rev. Lett. 97, 253901 (2006).
[CrossRef]

J. Scheuer and A. Yariv, "Sagnac effect in coupled-resonator slow-light waveguide structures," Phys. Rev. Lett. 96, 053901 (2006).
[CrossRef] [PubMed]

Proc. SPIE (2)

S. V. Boriskina, T. M. Benson, and P. Sewell, "Photonic molecules made of matched and mismatched micro-cavities: new functionalities of microlasers and optoelectronic components," Proc. SPIE 6452, 64520X (2007).
[CrossRef]

S. V. Pishko and S. V. Boriskina, "Theory and numerical design of coupled-resonator optical waveguide sections with bends," Proc. SPIE 6645, 664521 (2007).
[CrossRef]

Other (1)

A. Melloni, F. Morichetti, G. Cusmai, R. Costa, A. Breda, C. Canavesi, and M. Martinelli, "Progress in large integration scale circuits in SiON technology," in Proceedings of 9th International Conference on Transparent Optical Networks (Institute of Electrical and Electronics Engineers, 2007), pp. 223-226.
[CrossRef]

Supplementary Material (3)

» Media 1: MOV (595 KB)     
» Media 2: MOV (748 KB)     
» Media 3: MOV (723 KB)     

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Figures (7)

Fig. 1.
Fig. 1.

Splitting of WG12, 1 modes in a straight CROW section composed of 7 microdisks of 2.8-µm diameters with the decrease of the inter-cavity airgap width w: (a) shift of resonant wavelengths and (b) degradation of the mode Q-factors. Near-field portraits of two blue-shifted anti-bonding modes (EE-mode, black dashed line in Figs. 1(a,b) and OO-mode, black solid line in Figs. 1(a,b)) are plotted in Figs. 1(c) and 1(d), respectively (w=100 nm).

Fig. 2.
Fig. 2.

Variations of the resonant wavelengths (a) and Q-factors (b) of the EE (blue lines) and OO (red lines) anti-bonding CROW modes with the change of the CROW bend angle from 0 to 90 degrees. The CROW consists of the microdisks with the same parameters as those in Fig. 1 coupled via 100-nm airgaps. The inset shows a sketch of the bent CROW section. The bend angle is measured from the x axis. The field patterns of the EE mode (c) and OO mode (d) in the bend region correspond to the bend angle of 62 degrees.

Fig. 3.
Fig. 3.

Change in the CROW modes resonant wavelengths (a) and Q-factors (b) with the change in the effective refractive index of the microdisk positioned at the CROW branching point. The inset shows a sketch of the branched CROW section (n eff =2.9, D=2.8 µm, w=0.1 µm, β 1=60°, β 2=45°).

Fig. 4.
Fig. 4.

(594 KB) Movie of the optical near-field transformation of the higher-Q mode in the branched CROW section with the same geometry as in Fig. 3 under the perturbation of the refractive index of the central microdisk. [Media 1]

Fig. 5.
Fig. 5.

Same as in Fig. 3 for the CROW section with β 1=0°, β 2=60°.

Fig. 6.
Fig. 6.

(748 KB) Same as in Fig. 4 for the CROW section with β 1=0°, β 2=60°. [Media 2]

Fig. 7.
Fig. 7.

(723 KB) Movie of the optical near-field transformation of the lower-Q mode in the branched CROW section with the same geometry as in Fig. 5 under the perturbation of the refractive index of the central microdisk. [Media 3]

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