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Proceedings Paper

Scalable optical transmitter and receiver based on cascaded nanoresonator modulators and multiwavelength laser
Author(s): Liam O'Faolain; Kapil Debnath; Frederic Y. Gardes; Andreas Steffan; Emel Tasyurek; David A. B. Miller; Graham Reed; Thomas F. Krauss
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Paper Abstract

Optical modulators are key components in optical data links and are, currently, the subject of much research. Here we combine a comb laser with a series of cascaded photonic crystal modulators. A silicon nitride waveguide is used as the bus providing a near ideal means of routing light around a photonic chip as well as low insertion losses from optical fibre. This is vertically coupled to the photonic crystal cavities, the large free spectral range of which provides very high scalability along with very low (~femtojoule) switching energies. Finally, we show a route to integrating optics with electronics at the frontend. Combined with the low silicon area consumed by vertically coupled photonic crystal cavities, this is very promising for future optical interconnects.

Paper Details

Date Published: 27 February 2013
PDF: 6 pages
Proc. SPIE 8630, Optoelectronic Interconnects XIII, 86300P (27 February 2013); doi: 10.1117/12.2004841
Show Author Affiliations
Liam O'Faolain, Univ. of St. Andrews (United Kingdom)
Stanford Univ. (United States)
Kapil Debnath, Univ. of St. Andrews (United Kingdom)
Frederic Y. Gardes, Univ. of Surrey (United Kingdom)
Andreas Steffan, u2t Photonics AG (Germany)
Emel Tasyurek, Stanford Univ. (United States)
David A. B. Miller, Stanford Univ. (United States)
Graham Reed, Univ. of Surrey (United Kingdom)
Thomas F. Krauss, Univ. of St Andrews (United Kingdom)

Published in SPIE Proceedings Vol. 8630:
Optoelectronic Interconnects XIII
Alexei L. Glebov; Ray T. Chen, Editor(s)

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