Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61054
Title: Variable optical delay line using discrete harmonic oscillation in waveguide lattices
Authors: Li, T
Chen, Q
Xiao, Y
Zhang, X 
Keywords: Optical buffers
Optical computing
Optical delay lines
Optical planar waveguide components
Optical propagation in anisotropic media
Issue Date: 2015
Publisher: Institute of Electrical and Electronics Engineers
Source: Journal of lightwave technology, 2015, v. 33, no. 24, 7273744, p. 5095-5102 How to cite?
Journal: Journal of lightwave technology 
Abstract: This paper proposes a variable optical delay line based on the discrete harmonic oscillation in the waveguide lattice with a quadratic distribution of coupling coefficients. Theoretical analysis and numerical simulation have shown that the device design can achieve a time delay of up to 10 ns, with the resolution of 0.5 ns, and the 3-dB bandwidth over the whole C-band. It allows a data packet of up to 17 bits at the rate of 100 Gb/s. In this design, the propagation path is folded by up to five times (or ten times for the one-port design). Compared with the conventional fiber-delay-line buffer, this design has a small footprint (about 10 mm × 0.5 mm). A group of them can be paralleled and cascaded within a small area (e.g., 20 copies into 1 cm2) as enabled by the microfabrication. With further optimization, this design has a potential for interconnecting and signal processing applications in optical communications and computing.
URI: http://hdl.handle.net/10397/61054
ISSN: 0733-8724
DOI: 10.1109/JLT.2015.2480542
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