Paper Info
Title
Multi-Stage Mach-Zehnder Based Continuously Tunable Photonic Delay Line
Abstract
A multi-stage Mach-Zehnder based integrated continuously tunable optical delay line with a large tunability range, increase transmission bandwidth and the vast delay-bandwidth product is demonstrated. The proposed non-resonant delay line is based on cascaded lattice Mach-Zehnder. With the proposed generalized, hitless, and simple control strategy, the delay tunability and delay bandwidth product of the delay line increases with increasing order of Mach-Zehnder based stage. In this paper, we have reported the results of delay line up to order 10 using the proposed control strategy. We have also shown the comparison between single and multiple stage delay lines over various characteristics. We demonstrated that using the proposed control strategy, the four-stage Mach-Zehnder delay line has transmission bandwidth, delay tunability, and delay-bandwidth product that is 12%, 4x, and 10x larger, respectively compared to one-stage Mach-Zehnder delay line. We have also demonstrated that the bandwidth-delay product is almost increasing linearly with an increase in the number of stages of Mach-Zehnder stages.
Year
DOI
Venue
2021
10.1007/s11277-021-09061-3
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Keywords
DocType
Volume
Mach-Zehnder, Optical filter, Photonic delay line, Optical phase array, Microwave photonics, Integrated photonics, Delay line
Journal
121
Issue
ISSN
Citations 
2
0929-6212
0
PageRank 
References 
Authors
0.34
0
4
Name
Order
Citations
PageRank
Zarlish Mushtaq100.68
Muhammad Aslam Uqaili2477.99
Abi Waqas300.68
Bhawani Shankar Chowdhry45117.15