Abstract

We report silicon cross-connect filters using microring resonator coupled multimode-interference (MMI) based waveguide crossings. Our experiments reveal that the MMI-based cross-connect filters impose lower crosstalk at the crossing than the conventional cross-connect filters using plain crossings, while offering a nearly symmetric resonance line shape in the drop-port transmission. As a proof-of-concept for cross-connection applications, we demonstrate on a silicon-on-insulator substrate (i) a 4- channel 1×4 linear-cascaded MMI-based cross-connect filter, and (ii) a 2- channel 2×2 array-cascaded MMI-based cross-connect filter.

© 2008 Optical Society of America

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2008 (3)

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

Q. Xu, D. Fattal, and R. G. Beausoleil, "Silicon microring resonators with 1.5-?m radius," Opt. Express 16, 4309-4315 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-6-4309.
[CrossRef] [PubMed]

2007 (5)

2006 (2)

H. Chen and A. W. Poon, "Low-loss multimode-interference-based crossings for silicon wire waveguides," IEEE Photon. Technol. Lett. 18, 2260-2262 (2006).
[CrossRef]

S. Zheng, H. Chen, and A. W. Poon, "Microring-resonator cross-connect filters in silicon nitride: rib waveguide dimensions dependence," IEEE J. Sel. Top. Quantum Electron. 12, 1380-1387(2006).
[CrossRef]

2005 (3)

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

S. J. Emelett and R. A. Soref, "Synthesis of dual-microring-resonator cross-connect filters," Opt. Express 13, 4439-4456 (2005),
[CrossRef] [PubMed]

2004 (3)

T. Fukazawa, T. Hirano, F. Ohno, and T. Baba, "Low loss intersection of Si photonic wire waveguides," Jpn. J. Appl. Phys. 43, 646-647 (2004).
[CrossRef] [PubMed]

H. Liu, H. Tam, P. K. A. Wai, and E. Pun, "Low-loss waveguide crossing using a multimode interference structure," Opt. Commun. 241, 99-104 (2004).
[CrossRef] [PubMed]

Y. Hatakeyama, T. Hanai, S. Suzuki, and Y. Kokubun, "Loss-less multilevel crossing of busline waveguide in vertically coupled microring resonator filter," IEEE Photon. Technol. Lett. 16, 473-475 (2004).
[CrossRef]

2003 (1)

2000 (1)

B. E. Little, S. T. Chu, W. Pan, and Y. Kokubun, "Microring resonator arrays for VLSI photonics," IEEE Photon. Technol. Lett. 12, 323-325 (2000).
[CrossRef]

1999 (1)

S. T. Chu, B. E. Little., W. Pan, T. Kaneko, S. Sato, and Y. Kokubun, "An eight-channel add-drop filter using vertically coupled microring resonators over a cross grid," IEEE Photon. Technol. Lett. 11, 691-693 (1999).
[CrossRef]

1998 (1)

1995 (1)

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).

1961 (1)

U. Fano, "Effect of configuration interaction on intensities and phase shifts," Phys. Rev. 124, 1866 (1961).

Allaert, J.

Baba, T.

T. Fukazawa, T. Hirano, F. Ohno, and T. Baba, "Low loss intersection of Si photonic wire waveguides," Jpn. J. Appl. Phys. 43, 646-647 (2004).
[CrossRef] [PubMed]

Baets, R.

Baker, N.

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

Beausoleil, R. G.

Benyattou, T.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Bergman, K.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Biberman, A.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Bogaerts, W.

Bontoux, P.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Brière, M.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Chen, H.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

S. Zheng, H. Chen, and A. W. Poon, "Microring-resonator cross-connect filters in silicon nitride: rib waveguide dimensions dependence," IEEE J. Sel. Top. Quantum Electron. 12, 1380-1387(2006).
[CrossRef]

H. Chen and A. W. Poon, "Low-loss multimode-interference-based crossings for silicon wire waveguides," IEEE Photon. Technol. Lett. 18, 2260-2262 (2006).
[CrossRef]

Chen, X.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Chou, C-Y.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Chu, S. T.

B. E. Little, S. T. Chu, W. Pan, and Y. Kokubun, "Microring resonator arrays for VLSI photonics," IEEE Photon. Technol. Lett. 12, 323-325 (2000).
[CrossRef]

S. T. Chu, B. E. Little., W. Pan, T. Kaneko, S. Sato, and Y. Kokubun, "An eight-channel add-drop filter using vertically coupled microring resonators over a cross grid," IEEE Photon. Technol. Lett. 11, 691-693 (1999).
[CrossRef]

Dadap, J. I.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Driessen, A.

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

Drouard, E.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Dumon, P.

Emelett, S. J.

Fan, S.

Fano, U.

U. Fano, "Effect of configuration interaction on intensities and phase shifts," Phys. Rev. 124, 1866 (1961).

Fattal, D.

Fukazawa, T.

T. Fukazawa, T. Hirano, F. Ohno, and T. Baba, "Low loss intersection of Si photonic wire waveguides," Jpn. J. Appl. Phys. 43, 646-647 (2004).
[CrossRef] [PubMed]

Gaffiot, F.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Geuzebroek, D. H.

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

Green, W. M.

Green, W. M. J.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Hanai, T.

Y. Hatakeyama, T. Hanai, S. Suzuki, and Y. Kokubun, "Loss-less multilevel crossing of busline waveguide in vertically coupled microring resonator filter," IEEE Photon. Technol. Lett. 16, 473-475 (2004).
[CrossRef]

Hatakeyama, Y.

Y. Hatakeyama, T. Hanai, S. Suzuki, and Y. Kokubun, "Loss-less multilevel crossing of busline waveguide in vertically coupled microring resonator filter," IEEE Photon. Technol. Lett. 16, 473-475 (2004).
[CrossRef]

Haus, H. A.

Hirano, T.

T. Fukazawa, T. Hirano, F. Ohno, and T. Baba, "Low loss intersection of Si photonic wire waveguides," Jpn. J. Appl. Phys. 43, 646-647 (2004).
[CrossRef] [PubMed]

Hsieh, I-W.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Joannopoulos, J. D.

Johnson, S. G.

Kazmierczak, A.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Kelderman, H.

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

Khan, M. H.

Klein, E. J.

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

Kokubun, Y.

Y. Hatakeyama, T. Hanai, S. Suzuki, and Y. Kokubun, "Loss-less multilevel crossing of busline waveguide in vertically coupled microring resonator filter," IEEE Photon. Technol. Lett. 16, 473-475 (2004).
[CrossRef]

B. E. Little, S. T. Chu, W. Pan, and Y. Kokubun, "Microring resonator arrays for VLSI photonics," IEEE Photon. Technol. Lett. 12, 323-325 (2000).
[CrossRef]

Lee, B. G.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Letartre, X.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Li, C.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

Liang, T-K.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

Lipson, M.

Little, B. E.

B. E. Little, S. T. Chu, W. Pan, and Y. Kokubun, "Microring resonator arrays for VLSI photonics," IEEE Photon. Technol. Lett. 12, 323-325 (2000).
[CrossRef]

S. T. Chu, B. E. Little., W. Pan, T. Kaneko, S. Sato, and Y. Kokubun, "An eight-channel add-drop filter using vertically coupled microring resonators over a cross grid," IEEE Photon. Technol. Lett. 11, 691-693 (1999).
[CrossRef]

Liu, H.

H. Liu, H. Tam, P. K. A. Wai, and E. Pun, "Low-loss waveguide crossing using a multimode interference structure," Opt. Commun. 241, 99-104 (2004).
[CrossRef] [PubMed]

Liu, X.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Liu, Y.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

Manipatruni, S.

Manolatou, C.

O???Connor, I.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Ohno, F.

T. Fukazawa, T. Hirano, F. Ohno, and T. Baba, "Low loss intersection of Si photonic wire waveguides," Jpn. J. Appl. Phys. 43, 646-647 (2004).
[CrossRef] [PubMed]

Orobtchouk, R.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Osgood, R. M.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

Pan, W.

B. E. Little, S. T. Chu, W. Pan, and Y. Kokubun, "Microring resonator arrays for VLSI photonics," IEEE Photon. Technol. Lett. 12, 323-325 (2000).
[CrossRef]

Pennings, E. C. M.

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).

Poon, A. W.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

H. Chen and A. W. Poon, "Low-loss multimode-interference-based crossings for silicon wire waveguides," IEEE Photon. Technol. Lett. 18, 2260-2262 (2006).
[CrossRef]

S. Zheng, H. Chen, and A. W. Poon, "Microring-resonator cross-connect filters in silicon nitride: rib waveguide dimensions dependence," IEEE J. Sel. Top. Quantum Electron. 12, 1380-1387(2006).
[CrossRef]

Pun, E.

H. Liu, H. Tam, P. K. A. Wai, and E. Pun, "Low-loss waveguide crossing using a multimode interference structure," Opt. Commun. 241, 99-104 (2004).
[CrossRef] [PubMed]

Qi, M.

Rojo-Romeo, P.

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

Rooks, M. J.

Schmidt, B.

Sekaric, L.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nat. Photon. 1, 65-71 (2007).
[CrossRef]

W. M. Green, M. J. Rooks, L. Sekaric, and Y. A. Vlasov, "Ultra-compact, low RF power, 10 Gb/s silicon Mach-Zehnder modulator," Opt. Express 15, 17106-17113 (2007), http://www.opticsinfobase.org/abstract.cfm?URI=oe-15-25-17106.
[CrossRef] [PubMed]

Sengo, G.

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

Shakya, J.

Shen, H.

Soldano, L. B.

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).

Soref, R. A.

Stuart, H. R.

Suzuki, S.

Y. Hatakeyama, T. Hanai, S. Suzuki, and Y. Kokubun, "Loss-less multilevel crossing of busline waveguide in vertically coupled microring resonator filter," IEEE Photon. Technol. Lett. 16, 473-475 (2004).
[CrossRef]

Tam, H.

H. Liu, H. Tam, P. K. A. Wai, and E. Pun, "Low-loss waveguide crossing using a multimode interference structure," Opt. Commun. 241, 99-104 (2004).
[CrossRef] [PubMed]

Tsang, H. K.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

Van Thourhout, D.

Villeneuve, P. R.

Vlasov, Y.

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nat. Photon. 1, 65-71 (2007).
[CrossRef]

Vlasov, Y. A.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

W. M. Green, M. J. Rooks, L. Sekaric, and Y. A. Vlasov, "Ultra-compact, low RF power, 10 Gb/s silicon Mach-Zehnder modulator," Opt. Express 15, 17106-17113 (2007), http://www.opticsinfobase.org/abstract.cfm?URI=oe-15-25-17106.
[CrossRef] [PubMed]

Wai, P. K. A.

H. Liu, H. Tam, P. K. A. Wai, and E. Pun, "Low-loss waveguide crossing using a multimode interference structure," Opt. Commun. 241, 99-104 (2004).
[CrossRef] [PubMed]

Xia, F.

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nat. Photon. 1, 65-71 (2007).
[CrossRef]

Xiao, S.

Xu, F.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

Xu, Q.

Zheng, S.

S. Zheng, H. Chen, and A. W. Poon, "Microring-resonator cross-connect filters in silicon nitride: rib waveguide dimensions dependence," IEEE J. Sel. Top. Quantum Electron. 12, 1380-1387(2006).
[CrossRef]

Zhou, L.

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

E (1)

A. W. Poon, L. Zhou, F. Xu, C. Li, H. Chen, T-K. Liang, Y. Liu, and H. K. Tsang, "Silicon photonics research in Hong Kong: microresonator devices and optical nonlinearity," IEICE Trans. Electron. E 91-C, 156-166 (2008).

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

S. Zheng, H. Chen, and A. W. Poon, "Microring-resonator cross-connect filters in silicon nitride: rib waveguide dimensions dependence," IEEE J. Sel. Top. Quantum Electron. 12, 1380-1387(2006).
[CrossRef]

IEEE Photon. Technol. Lett. (7)

E. J. Klein, D. H. Geuzebroek, H. Kelderman, G. Sengo, N. Baker, and A. Driessen, "Reconfigurable optical add-drop multiplexer using microring resonators," IEEE Photon. Technol. Lett. 17, 2358-2360 (2005).
[CrossRef]

B. G. Lee, X. Chen, A. Biberman, X. Liu, I-W. Hsieh, C-Y. Chou, J. I. Dadap, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, R. M. Osgood, and K. Bergman, "Ultrahigh-bandwidth silicon photonic nanowire waveguides for on-chip networks," IEEE Photon. Technol. Lett. 20, 398-400 (2008).
[CrossRef]

B. E. Little, S. T. Chu, W. Pan, and Y. Kokubun, "Microring resonator arrays for VLSI photonics," IEEE Photon. Technol. Lett. 12, 323-325 (2000).
[CrossRef]

S. T. Chu, B. E. Little., W. Pan, T. Kaneko, S. Sato, and Y. Kokubun, "An eight-channel add-drop filter using vertically coupled microring resonators over a cross grid," IEEE Photon. Technol. Lett. 11, 691-693 (1999).
[CrossRef]

Y. Hatakeyama, T. Hanai, S. Suzuki, and Y. Kokubun, "Loss-less multilevel crossing of busline waveguide in vertically coupled microring resonator filter," IEEE Photon. Technol. Lett. 16, 473-475 (2004).
[CrossRef]

A. Kazmierczak, M. Brière, E. Drouard, P. Bontoux, P. Rojo-Romeo, I. O???Connor, X. Letartre, F. Gaffiot, R. Orobtchouk, and T. Benyattou, "Design, simulation, and characterization of a passive optical add-drop filter in silicon-on-insulator technology," IEEE Photon. Technol. Lett. 17, 1447-1449 (2005).
[CrossRef]

H. Chen and A. W. Poon, "Low-loss multimode-interference-based crossings for silicon wire waveguides," IEEE Photon. Technol. Lett. 18, 2260-2262 (2006).
[CrossRef]

J. Lightwave Technol. (1)

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).

Jpn. J. Appl. Phys. (1)

T. Fukazawa, T. Hirano, F. Ohno, and T. Baba, "Low loss intersection of Si photonic wire waveguides," Jpn. J. Appl. Phys. 43, 646-647 (2004).
[CrossRef] [PubMed]

Nat. Photon. (1)

F. Xia, L. Sekaric, and Y. Vlasov, "Ultracompact optical buffers on a silicon chip," Nat. Photon. 1, 65-71 (2007).
[CrossRef]

Opt. Commun. (1)

H. Liu, H. Tam, P. K. A. Wai, and E. Pun, "Low-loss waveguide crossing using a multimode interference structure," Opt. Commun. 241, 99-104 (2004).
[CrossRef] [PubMed]

Opt. Express (5)

Opt. Lett. (3)

Phys. Rev. (1)

U. Fano, "Effect of configuration interaction on intensities and phase shifts," Phys. Rev. 124, 1866 (1961).

Other (7)

F. Xu and A. W. Poon, "Microring resonator-coupled multimode-interference-based crossings in 2x2 cross-grid array filters," in proceedings of the IEEE 4th International Conference on Group IV Photonics, (IEEE and Optical Society of America, 2007), pp. 1-3.
[CrossRef]

A. W. Poon, F. Xu, and X. Luo, "Cascaded active silicon microresonator array cross-connect circuits for WDM networks-on-chip," in proceedings of SPIE Photonics West 2008, San Jose, California USA, Jan.19-24, 2008.

H. Chen and A. W. Poon, "Design of silicon MMI crossing laterally coupled microring resonators," in proceedings of Conference on Lasers and Electro-Optics 2006, (IEEE and Optical Society of America, 2006) paper CTuCC5.
[CrossRef]

http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-12-4439.
[CrossRef]

A. Shacham, K. Bergman, and L. P. Carloni, "On the design of a photonic network-on-chip," in proceedings of the First International Symposium on Networks-on-Chip, (Institute of Electrical and Electronics Engineers, New York, 2007), pp. 53-64.

R. G. Beausoleil, "A nanophotonic interconnect for high-performance many-core computation," in proceeding of SPIE Photonic West 2008, San Jose, California USA, Jan.19-24, 2008.

F. Xu and A.W. Poon, "Multimode-interference waveguide crossing coupled microring-resonator-based switch nodes for photonic networks-on-chip," in proceedings of Conference on Lasers and Electro-Optics 2008, (IEEE and Optical Society of America, 2008), San Jose, California, USA, 4-9 May, 2008.

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Figures (5)

Fig. 1.
Fig. 1.

(a) Schematic of the silicon cross-connect filter using a microring resonator laterally coupled MMI crossing. I: input-port, D: drop-port. T: throughput-port. Wm : MMI width, Lm : MMI length, Wt : taper width, Lt : taper length, Wb : bus waveguide width, g: gap spacing between the bus waveguide and the microring. (b)–(c) FDTD-simulated TE-polarized modefield patterns of the MMI crossing-coupled microring resonator for (b) on-resonance wavelength, and (c) off-resonance wavelength.

Fig. 2.
Fig. 2.

(a) FDTD-simulated TE-polarized intensity profile of the MMI crossing at wavelength 1.55 µm. The simulated device parameters: Wm =1.1 µm, Lm =4.4̟ µm, Wt =0.8 µm, Lt =3 µm, and Wb =0.4 µm. I: input-port, C: cross-port, T: throughput-port, R: back-reflection-port. Insets: Schematic cross-sections of the MMI waveguide (left) and the bus waveguide (right). (b) Throughput-port transmission spectra of the MMI crossing (red line) and of the conventional (plain) waveguide crossing (blue line) with Wb =0.4 µm. (c) Cross-port transmission spectra and back-reflection-port spectra of the MMI crossing (red dotted line and red dashed line) and of the plain crossing (blue dotted line and blue dashed line). (d) Throughput-port transmission of the MMI crossing with tapers (square dots) and without tapers (triangular dots) as a function of MMI length (Lm ).

Fig. 3.
Fig. 3.

(a) SEM of the typically fabricated silicon cross-connect filter using a single microring resonator-coupled MMI crossing (Lm =4.3 µm). I: input-port, T: throughput-port, D: drop-port. Inset: zoom-in view SEM of the MMI crossing. (b)–(c) Measured throughput- and drop-port transmission spectra of (b) the MMI crossing-based filter, (c) the plain crossing-based filter.

Fig. 4.
Fig. 4.

(a) SEM of the fabricated 4-channel 1×4 linear-cascaded MMI-based cross-connect filter in SOI. R1,2,3,4 denote the four different microring resonators. r1,2,3,4 : microring resonator corner radii, where r2 =r1 +Δr, r3 =r1 +2Δr, and r4 =r1 +3Δr, with an increment of Δr. I: input-port, T: throughput-port, D1, D2, D3, D4: drop-ports. (b) Measured TE-polarized throughput-port transmission spectrum at port T. (c)–(d) Measured TE-polarized drop-port transmission spectra at ports (c) D1 (blue line), D4 (pink line), and (d) D2 (black line), D3 (purple line).

Fig. 5.
Fig. 5.

(a) SEM of the fabricated 2-channel 2×2 array-cascaded MMI-based cross-connect filter in SOI [26]. (b) Measured TE-polarized throughput-port transmission spectra for input-coupling at port I 1 (blue line) and Ir (pink line). (c) Measured TE-polarized drop-port transmission spectra at port D2 (brown line) and port D3 (orange line) for input-coupling at port I 1 . (d) Measured TE-polarized drop-port transmission spectrum at port D1 for input-coupling at port I 1 .

Tables (1)

Tables Icon

Table 1. Summary of the FDTD-simulated MMI crossing insertion loss, crosstalk, and back-reflection of four different MMI waveguide widths with optimized MMI waveguide lengths

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