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Optical Engineering

Wide tunable filters using a recirculating delay line with multi-reflections
Author(s): S. Vargas; C. Vazquez; Jose M. Sanchez-Pena
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Paper Abstract

A ring resonator with multiple reflections as a tunable filter is proposed and analyzed in this paper. A coupler and two identical Bragg gratings are used to implement the internal reflections so an active filter with a wide tuning range controlled through a coupler coupling constant is derived. Simple equations to design the device are included.

Paper Details

Date Published: 1 May 2002
PDF: 2 pages
Opt. Eng. 41(5) doi: 10.1117/1.1465430
Published in: Optical Engineering Volume 41, Issue 5
Show Author Affiliations
S. Vargas, Univ. Carlos III (Spain)
C. Vazquez, Univ. Carlos III de Madrid (Spain)
Jose M. Sanchez-Pena, Univ. Carlos III de Madrid (Spain)

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