Multicasting optical interconnects using liquid crystal over silicon devices

Andreas Georgiou; Jeroen Beeckman; Kristiaan Neyts

doi:10.1364/JOSAA.28.000363

Journal of the Optical Society of America A
Vol. 28,
Issue 3,
pp. 363-372
(2011)
•https://doi.org/10.1364/JOSAA.28.000363

Multicasting optical interconnects using liquid crystal over silicon devices

Andreas Georgiou, Jeroen Beeckman, and Kristiaan Neyts

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Andreas Georgiou, Jeroen Beeckman, and Kristiaan Neyts, "Multicasting optical interconnects using liquid crystal over silicon devices," J. Opt. Soc. Am. A 28, 363-372 (2011)

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Table of Contents Category
- Fiber Optics and Optical Communications
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The topics in this list come from the Optics and Photonics Topics applied to this article.

About this Article
History
- Original Manuscript: June 7, 2010
- Revised Manuscript: December 18, 2010
- Manuscript Accepted: December 20, 2010
- Published: February 18, 2011

Abstract

This work presents the characteristics and expected capabilities of an optical interconnect that uses a diffractive liquid crystal over silicon (LCOS) device as a routing element. Such an interconnect may be used in a neighborhood’s optical network to distribute high definition television, thus avoiding an electronic or optical transmitter for each user. The optimal characteristics of the LCOS device are calculated in terms of pixel number and silicon area and found to be feasible with today’s technology. Finally, its performance in terms of optical efficiency and number of output ports is evaluated and found suitable for a neighborhood with hundreds of households.

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Device Name	$Δ / μm$	$g / μm$	N	F	$L / mm$	$Area / {mm}^{2}$	Dimensions	Manufacturer
LOIS	18.0	0.25	1024	0.97	18.4	339	$18.4 \times 18.4$	—
mLOIS	18.0	0.25	720	0.97	13.1	169	$13.2 \times 13.2$	—
μLOIS	18.0	0.25	512	0.97	9.2	85	$9.1 \times 9.1$	—
nLOIS	18.0	0.25	164	0.97	2.9	8.7	$2.9 \times 2.9$	—
$4 K$ $2 K$ D-ILA	6.8	0.25	2400	0.93	16.3	364	$16.3 \times 26.1$	JVC
BR1920HC	9.5	0.40	1200	0.92	11.4	208	$11.4 \times 18.2$	Brillian [23]
JVC Professional	9.5	0.45	1080	0.91	10.3	187	$10.3 \times 18.2$	JVC
Qualia	9.0	0.35	1080	0.92	9.7	168	$9.7 \times 17.3$	Sony
JVC Consumer	8.1	0.45	1080	0.89	8.7	136	$8.7 \times 15.6$	JVC
Sony XBR	7.0	0.35	1080	0.90	7.6	102	$7.6 \times 13.4$	Sony

	Loss
	$α = 0.59$ 390 ports	$α = 0.17$ 112 ports
Apodization	$- 0.1 dB$	$- 0.1 dB$
Fill Factor	$- 0.2 dB$	$- 0.2 dB$
Hologram	$- 0.9 dB$	$- 0.9 dB$
Phase quantization	$- 0.0 dB$	$- 0.0 dB$
$Sinc envelope + Fringing fields$	$- 1.6 dB$ (max $- 3.2 dB$ )	$- 0.6 dB$ (max $- 1.1 dB$ )
Total loss	$- 2.8 dB$	$- 1.8 dB$
	(max $- 4.4 dB$ )	(max $- 2.3 dB$ )

Device Name	$Δ / μm$	$g / μm$	N	F	$L / mm$	$Area / {mm}^{2}$	Dimensions	Manufacturer
LOIS	18.0	0.25	1024	0.97	18.4	339	$18.4 \times 18.4$	—
mLOIS	18.0	0.25	720	0.97	13.1	169	$13.2 \times 13.2$	—
μLOIS	18.0	0.25	512	0.97	9.2	85	$9.1 \times 9.1$	—
nLOIS	18.0	0.25	164	0.97	2.9	8.7	$2.9 \times 2.9$	—
$4 K$ $2 K$ D-ILA	6.8	0.25	2400	0.93	16.3	364	$16.3 \times 26.1$	JVC
BR1920HC	9.5	0.40	1200	0.92	11.4	208	$11.4 \times 18.2$	Brillian [23]
JVC Professional	9.5	0.45	1080	0.91	10.3	187	$10.3 \times 18.2$	JVC
Qualia	9.0	0.35	1080	0.92	9.7	168	$9.7 \times 17.3$	Sony
JVC Consumer	8.1	0.45	1080	0.89	8.7	136	$8.7 \times 15.6$	JVC
Sony XBR	7.0	0.35	1080	0.90	7.6	102	$7.6 \times 13.4$	Sony

	Loss
	$α = 0.59$ 390 ports	$α = 0.17$ 112 ports
Apodization	$- 0.1 dB$	$- 0.1 dB$
Fill Factor	$- 0.2 dB$	$- 0.2 dB$
Hologram	$- 0.9 dB$	$- 0.9 dB$
Phase quantization	$- 0.0 dB$	$- 0.0 dB$
$Sinc envelope + Fringing fields$	$- 1.6 dB$ (max $- 3.2 dB$ )	$- 0.6 dB$ (max $- 1.1 dB$ )
Total loss	$- 2.8 dB$	$- 1.8 dB$
	(max $- 4.4 dB$ )	(max $- 2.3 dB$ )

Abstract

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Figures (13)

Tables (2)

Equations (13)

Journal of the Optical Society of America A