Authors

S. Khan; M. A. Baghban;S. Fathpour

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

NANOIMPRINT LITHOGRAPHY; WAVE-GUIDES; TIME DELAYS; FABRICATION; GRATINGS; WAVELENGTH; RESONATORS; CHIP; Optics

Abstract

Electronically tunable optical true-time delay lines are proposed. The devices utilize the combination of apodised gratings and the free-carrier plasma effect to tune the enhanced delay of silicon waveguides at a fixed wavelength. Three variations of the proposed scheme are studied and compared. The compact and integrable devices can achieve tuning ranges as high as similar to 660 ps with a loss of < 2.2 dB when operated in the reflection mode of the gratings. A delay of similar to 40 ps with a loss of < 10 dB and an estimated operation bit rate of similar to 20 Gb/s can be achieved.

Journal Title

Optics Express

Volume

19

Issue/Number

12

Publication Date

1-1-2011

Document Type

Article

Language

English

First Page

11780

Last Page

11785

WOS Identifier

WOS:000292865500081

ISSN

1094-4087

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