Abstract

A new structure for bit synchronization in a tera-bit/s optical interconnection network has been designed using micro-electro-mechanical system (MEMS) technique. Link multiplexing has been adopted to reduce data packet communication latency. To eliminate link set-up time, adjustable optical delay lines (AODLs) have been adopted to shift the phases of the distributed optical clock signals for bit synchronization. By changing the optical path distance of the optical clock signal, the phase of the clock signal can be shifted at a very high resolution. A phase-shift resolution of 0.1 ps can be easily achieved with 30-μm alternation of the optical path length in vacuum.

© 2002 Optical Society of America

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References

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Comp. Commun.

B. Paillassa, �??The client/server way to interconnect high-speed LANs,�?? Comp. Commun. 20, 649-661 (1997 )
[CrossRef]

Electron. Lett.

S. D. Dyer and K. B. Rochford, �??Low-coherence interferometric measurements of fibre Bragg grating dispersion,�?? Electron. Lett. 35, 1485-1486 (1999)
[CrossRef]

IEEE Trans. Semicond. Manuf.

Yongqi Fu, and Ngoi Kok Ann Bryan, �??A novel one step integration of edge-emitting laser diode with micro-elliptical lens using focused ion beam direct deposition,�?? IEEE Trans. Semicond. Manuf. 15, 2-8 (2002)
[CrossRef]

J. Lightwave Technol.

Opt. Commun.

Nicholas Madamopoulos, and Nabeel A. Riza, �??Adaptable-delay balanced-loss binary photonic delay line architectures using polarization switching,�?? Opt. Commun. 152, 135-143 (1998)
[CrossRef]

Nabeel A Riza, �??Acousto-optically switched optical delay lines,�?? Opt. Commun. 145, 15-20 (1998)
[CrossRef]

Opt. Express

Proc. SPIE

N. Collings, W. A. Crossland, T. D. Wilkinson, R. W. A. Scarr, and T. J. Hall, �??Packet Switching Network Based on Optical Fan-in,�?? in Optics in Computing�?? 2000, Roger A. Lessard, Tigran Galstian, eds., Proc. SPIE, 4089, 550-554 (2000)
[CrossRef]

Wencai Jing, Jindong Tian, Ge Zhou, Yimo Zhang, Wei Liu, and Xun Zhang, �??Design of scalable optical interconnection network using wavelength division multiplexing,�?? in Optoelectronic Interconnects , Michael R. Feldman, Richard L. Li, W. Brian Matkin, Suning Tang, eds., Proc. SPIE, 3952, 178-187 (2000)
[CrossRef]

Sensors and Actuators

B T Meggitt, C J Hall, and K Weir, �??An all fibre white light interferometric strain measurement system,�?? Sensors and Actuators 9, 1-7 (2000)

Other

<a href="http://www.beowulf.org/intro/intro.html">Http://beowulf.gsfc.nasa.gov/intro.html</a>

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Figures (4)

Fig. 1
Fig. 1

Structure of the interconnection network

Fig. 2
Fig. 2

Structure of the MOEMS optical delay line with one corner mirror

Fig. 3
Fig. 3

Principle of the multi-reflection MOEMS optical delay line

Fig. 4
Fig. 4

Optical path difference versus axial displacement of the actuator and number of reflection

Equations (3)

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OP = 2 x + y + ( n 2 ) ( x + y ) / 2 ( μm ) , n = 2,6,10,14 ,
OPD = 2 s + ( n 2 ) · s / 2 ( μm ) , n = 2,6,10,14 ,
L R , total = 10 n log ( 1 α ) ( dB ) , n = 2,6,10,14 ,

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