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In-fiber modal Mach-Zehnder interferometer based on the locally post-processed core of a photonic crystal fiber |
Optics Express, Vol. 19, Issue 4, pp. 3124-3129 (2011)
http://dx.doi.org/10.1364/OE.19.003124
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Abstract
We demonstrate a novel, compact and low-loss photonic crystal fiber modal Mach-Zehnder interferometer with potential applications to sensing and WDM telecommunications. By selectively collapsing a ~1-mm-long section of a hole next to the solid core, a pair of modes of the post-processed structure are excited and interfere at its exit. A modulation depth of up to ~13 dB and an insertion loss as low as 2.8 dB were achieved. A temperature sensitivity of −53.4 pm/°C was measured, making the device suitable for temperature sensing.
© 2011 OSA
OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: January 3, 2011
Revised Manuscript: January 29, 2011
Manuscript Accepted: January 29, 2011
Published: February 2, 2011
Citation
Rodrigo M. Gerosa, Danilo H. Spadoti, Leonardo de S. Menezes, and Christiano J. S. de Matos, "In-fiber modal Mach-Zehnder interferometer based on the locally post-processed core of a photonic crystal fiber," Opt. Express 19, 3124-3129 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-4-3124
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