Uniform flat-top interleaver consisting of a two-stage cascaded Mach-Zehnder interferometer

Huaiyin Su; Yundong Zhang; Yongfeng Wu; Hui Li; Changqiu Yu; Ping Yuan

doi:10.1117/12.2246002

31 October 2016 Uniform flat-top interleaver consisting of a two-stage cascaded Mach-Zehnder interferometer

Huaiyin Su, Yundong Zhang, Yongfeng Wu, Hui Li, Changqiu Yu, Ping Yuan

Proceedings Volume 10019, Optoelectronic Devices and Integration VI; 100190Q (2016) https://doi.org/10.1117/12.2246002
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

We theoretically investigate an all-fiber interleaver consisting of a two-stage cascaded Mach-Zehnder interferometer (MZI). The simulation results of the all-fiber interleaver presented symmetrical and asymmetrical output spectra and a uniform flat-top spectral response by changing the coupling coefficient of the couplers. In addition, the interleaver proposed can realize arbitrary passband width ratio between the two output ports by adjusting the coupling coefficient of the couplers involved. A near box-shaped spectral response can be generated through setting suitable parameters, at the same time, the passband and stopband of optical interleaver are improved significantly. This interleaver proposed should be useful to realize the deployment of flat-top all-fiber asymmetric interleaver in dense wavelength division multiplexing (DWDM) networks of high spectral efficiency.

Citation Download Citation

Huaiyin Su, Yundong Zhang, Yongfeng Wu, Hui Li, Changqiu Yu, and Ping Yuan "Uniform flat-top interleaver consisting of a two-stage cascaded Mach-Zehnder interferometer", Proc. SPIE 10019, Optoelectronic Devices and Integration VI, 100190Q (31 October 2016); https://doi.org/10.1117/12.2246002

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