Improving the performance of Mach-Zehnder interferometer with the dispersion response of the add-drop ring resonator

Yu, Changqiu, Zhang, Yundong, Wang, Kaiyang, Li, Jin, Zhang, Xuenan and Yuan, Ping (2014) Improving the performance of Mach-Zehnder interferometer with the dispersion response of the add-drop ring resonator. Journal of Optics (United Kingdom), 16 12: 1-8. doi:10.1088/2040-8978/16/12/125711


Author Yu, Changqiu
Zhang, Yundong
Wang, Kaiyang
Li, Jin
Zhang, Xuenan
Yuan, Ping
Title Improving the performance of Mach-Zehnder interferometer with the dispersion response of the add-drop ring resonator
Journal name Journal of Optics (United Kingdom)   Check publisher's open access policy
ISSN 2040-8986
2040-8978
Publication date 2014-12-01
Year available 2014
Sub-type Article (original research)
DOI 10.1088/2040-8978/16/12/125711
Open Access Status
Volume 16
Issue 12
Start page 1
End page 8
Total pages 8
Place of publication Bristol, United Kingdom
Publisher Institute of Physics Publishing
Collection year 2015
Language eng
Abstract We use the add-drop ring resonator (ADRR) to produce the normal and anomalous dispersion simultaneously and apply these two dispersion responses to enhance the sensitivity of the Mach–Zehnder interferometer (MZI). To estimate the sensing ability of the ADRR assisted MZI, the dispersion sensitivity of the structure is theoretically and experimentally demonstrated. For two equal amplitude coupling coefficients, a 19.2-fold increase in the dispersion sensitivity is experimentally achieved, a little lower than 19.5-fold predicted in theory. This value can be futher increased by minimizing the attenuation or by choosing different amplitude coupling coefficient settings at different coupling regions. To acquire better dispersion sensitivity, only output port one should be utilized at the over-coupling region, and two output ports should be adopted at the under-coupling region.
Keyword Dispersion
Interferometry
Resonator
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2015 Collection
 
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