Design scheme for Mach-Zehnder interferometric coarse wavelength division multiplexing splitters and combiners
JOSA B, Vol. 23, Issue 9, pp. 1752-1756 (2006)
http://dx.doi.org/10.1364/JOSAB.23.001752
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Abstract
I propose an analytical approach to design flattened wavelength splitters with cascaded Mach–Zehnder interferometers when wavelength dependence of the directional couplers cannot be neglected. I start from a geometrical representation of the action of a doubly point-symmetrical filter, assuming no wavelength dependence of the couplers. Next I derive the analytical formulas behind its working principle and extend them to the wavelength-dependent case. I also show how the geometrical representation allows one to broaden the class of working structures.
© 2006 Optical Society of America
OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.4230) Fiber optics and optical communications : Multiplexing
(130.3120) Integrated optics : Integrated optics devices
(250.5300) Optoelectronics : Photonic integrated circuits
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: February 17, 2006
Revised Manuscript: April 28, 2006
Manuscript Accepted: May 28, 2006
Citation
Matteo Cherchi, "Design scheme for Mach-Zehnder interferometric coarse wavelength division multiplexing splitters and combiners," J. Opt. Soc. Am. B 23, 1752-1756 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-9-1752
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