Abstract

An on-chip wireless optical broadcast network for future multicore CPU interconnections is introduced in this paper. A baseline topology is composed of 32 identical transmitting/receiving optical dielectric rod antennas arranged around a circular ring. To ensure balanced power distribution between the channels, the optical antenna design was governed by the antennas' far-field radiation pattern and near-field coupling. Over the frequency range of 172 THz (1750 nm) and 222 THz (1350 nm), the broadcasting network has average and minimum transmissions of -16 and -21.5 dB, respectively. The overall transmission efficiency is maintained above 70% throughout the operating bandwidth. Results are confirmed by the full-wave simulations based on finite integration and finite element methods. For additional validation, an eight-channel microwave broadcasting network is fabricated, and excellent agreement between the full-wave design and measurements are obtained.

© 2010 IEEE

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2010 (1)

Z. Li, M. Mohamed, H. Zhou, L. Shang, A. R. Mickelson, D. Filipovic, M. Vachharajani, X. Chen, W. Park, Y. Sun, "Global on-chip coordination at light speed," IEEE Design Test Comput. 27, 54-67 (2010).

2009 (3)

P. Dong, S. Liao, D. Feng, H. Liang, D. Zheng, R. Shafiiha, C.-C. Kung, W. Qian, G. Li, X. Zheng, A. Krishnamoorthy, M. Asghari, "Low Vpp, ultralow-energy, compact, high-speed silicon electro-optic modulator," Opt. Exp. 17, 22484-22490 (2009).

S. Selvaraja, E. Sleeckx, M. Schaekers, W. Bogaerts, D. Thourhout, P. Dumon, R. Baets, "Low-loss amorphous silicon-on-insulator technology for photonic integrated circuitry ," Opt. Commun. 282, 1767-1770 (2009) 1.

L. Chen, K. Preston, S. Manipatruni, M. Lipson, "Integrated GHz silicon photonic interconnect with micrometer-scale modulators and detectors ," Opt. Exp. 17, 15248-15256 (2009).

2008 (2)

2008 (2)

G. Roelkens, D. Vermeulen, D. Van Thourhout, R. Baets, S. Brision, P. Lyan, P. Gautier, J.-M. Fedeli, "High efficiency diffractive grating couplers for interfacing a single mode optical fiber with a nanophotonic silicon-on-insulator waveguide circuit," Appl. Phys. Lett. 92, 131101-1-131101-3 (2008 ).

2008 (2)

R. G. Beausoleil, P. J. Kuekes, G. S. Snider, W. Shih-Yuan, R. S. Williams, "Nanoelectronic and nanophotonic interconnect," Proc. IEEE 96, 230-247 (2008).

2007 (2)

J. D. Owens, W. J. Dally, R. Ho, D. N. Jayasimha, S. W. Keckler, P. Li-Shiuan, "Research challenges for on-chip interconnection networks," Micro, IEEE 27, 96-108 (2007).

F. Xia, M. Rooks, L. Sekaric, Y. Vlasov, "Ultra-compact high order ring resonator filters using submicron silicon photonic wires for on-chip optical interconnects," Opt. Exp. 15, 11934-11941 (2007).

2004 (1)

Y. Vlasov, S. McNab, "Losses in single-mode silicon-on-insulator strip waveguides and bends," Opt. Exp. 12, 1622-1631 (2004).

1999 (2)

M. A. Fardad, M. Fallahi, "Sol-Gel multimode power splitters," IEEE Photon. Technol. Lett. 11, 697-699 (1999).

J. Shin, D. H. Schaubert, "A parameter study of stripline-fed Vivaldi notch-antenna arrays," IEEE Trans. Antennas Propagat. 47, 879-886 (1999).

1995 (1)

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

1994 (1)

P. A. Besse, M. Bachmann, H. Melchior, L. B. Soldano, M. K. Smit, "Optical bandwidth and fabrication tolerances of multimode interference couplers," J. Lightw. Technol. 12, 1004-1009 (1994).

1982 (1)

S. Kobayashi, R. Mittra, R. Lampe, "Dielectric rod antennas for millimeter-wave applications," IEEE Trans. Antennas Propag. AP-30, 54-58 (1982).

Appl. Phys. Lett. (1)

G. Roelkens, D. Vermeulen, D. Van Thourhout, R. Baets, S. Brision, P. Lyan, P. Gautier, J.-M. Fedeli, "High efficiency diffractive grating couplers for interfacing a single mode optical fiber with a nanophotonic silicon-on-insulator waveguide circuit," Appl. Phys. Lett. 92, 131101-1-131101-3 (2008 ).

IEEE Design Test Comput. (1)

Z. Li, M. Mohamed, H. Zhou, L. Shang, A. R. Mickelson, D. Filipovic, M. Vachharajani, X. Chen, W. Park, Y. Sun, "Global on-chip coordination at light speed," IEEE Design Test Comput. 27, 54-67 (2010).

IEEE Photon. Technol. Lett. (1)

M. A. Fardad, M. Fallahi, "Sol-Gel multimode power splitters," IEEE Photon. Technol. Lett. 11, 697-699 (1999).

IEEE Trans. Antennas Propag. (1)

S. Kobayashi, R. Mittra, R. Lampe, "Dielectric rod antennas for millimeter-wave applications," IEEE Trans. Antennas Propag. AP-30, 54-58 (1982).

IEEE Trans. Antennas Propagat. (1)

J. Shin, D. H. Schaubert, "A parameter study of stripline-fed Vivaldi notch-antenna arrays," IEEE Trans. Antennas Propagat. 47, 879-886 (1999).

J. Lightw. Technol. (2)

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

P. A. Besse, M. Bachmann, H. Melchior, L. B. Soldano, M. K. Smit, "Optical bandwidth and fabrication tolerances of multimode interference couplers," J. Lightw. Technol. 12, 1004-1009 (1994).

Micro, IEEE (1)

J. D. Owens, W. J. Dally, R. Ho, D. N. Jayasimha, S. W. Keckler, P. Li-Shiuan, "Research challenges for on-chip interconnection networks," Micro, IEEE 27, 96-108 (2007).

Opt. Commun. (1)

S. Selvaraja, E. Sleeckx, M. Schaekers, W. Bogaerts, D. Thourhout, P. Dumon, R. Baets, "Low-loss amorphous silicon-on-insulator technology for photonic integrated circuitry ," Opt. Commun. 282, 1767-1770 (2009) 1.

Opt. Exp. (4)

F. Xia, M. Rooks, L. Sekaric, Y. Vlasov, "Ultra-compact high order ring resonator filters using submicron silicon photonic wires for on-chip optical interconnects," Opt. Exp. 15, 11934-11941 (2007).

P. Dong, S. Liao, D. Feng, H. Liang, D. Zheng, R. Shafiiha, C.-C. Kung, W. Qian, G. Li, X. Zheng, A. Krishnamoorthy, M. Asghari, "Low Vpp, ultralow-energy, compact, high-speed silicon electro-optic modulator," Opt. Exp. 17, 22484-22490 (2009).

Y. Vlasov, S. McNab, "Losses in single-mode silicon-on-insulator strip waveguides and bends," Opt. Exp. 12, 1622-1631 (2004).

L. Chen, K. Preston, S. Manipatruni, M. Lipson, "Integrated GHz silicon photonic interconnect with micrometer-scale modulators and detectors ," Opt. Exp. 17, 15248-15256 (2009).

Opt. Lett. (1)

Proc. IEEE (1)

R. G. Beausoleil, P. J. Kuekes, G. S. Snider, W. Shih-Yuan, R. S. Williams, "Nanoelectronic and nanophotonic interconnect," Proc. IEEE 96, 230-247 (2008).

Other (6)

N. E. Jerger, L. S. Peh, M. Lipasti, "Virtual circuit tree multicasting: A case for on-chip hardware multicast support," Proc. 35th Int. Symp. Comput. Architect. (2008) pp. 229-240.

IMEC Passive Photonic cSOI 220 nm Epixfab.

CST Microwave Studio User Manual, Version 2009 (CST GmbH, 2009 ).

HFSS v12.0 User Manual (Ansoft Corporation, 2009).

C. H. Cox, Analog Optical Links: Theory and Practice (Cambridge Univ. Press, 2004).

G. P. Agrawal, Fiber-Optic Communication Systems (Wiley-Interscience, 2004 ).

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