SPECIAL SECTION ON MOEMSFiber Optics and Telecom

Novel intercore-cladding lithium niobate thin film coated MOEMS fiber sensor/modulator

[+] Author Affiliations
Tracee L. Jamison

NASA Goddard Space Flight Center, Parts Packaging and Assembly Office, Greenbelt, Maryland 20771

Phillip Kornreich

Syracuse University, Department of Electrical and Computer Engineering 121 Link Hall, Syracuse, New York 13244

Chung Yu

North Carolina A&T State University, Department of Electrical and Computer Engineering, Ron McNair Building, Greensboro, North Carolina 27411

J. Micro/Nanolith. MEMS MOEMS. 4(4), 041302 (November 09, 2005). doi:10.1117/1.2114667
History: Received October 01, 2004; Revised April 22, 2005; Accepted April 22, 2005; Published November 09, 2005
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A MOEMS fiber modulator/sensor is fabricated by depositing a lithium niobate sol-gel thin film between the core and cladding of a fiber preform. The preform is then drawn into 125-μm fibers. Such a MOEMS modulator design is expected to enhance existing lithium niobate undersea acousto-optic sound wave detectors. In our proposed version, the lithium niobate thin film alters the ordinary silica core/cladding boundary conditions such that, when a stress or strain is applied to the fiber, the core light confinement factor changes, leading to modulation of fiber light transmission. Test results of the lithium niobate embedded fiber with a 1550-nm, 4-mW laser source revealed a reduction in light transmission with applied tension. As a comparison, using the same laser source, an ordinary silica core/cladding fiber did not exhibit any reduction in transmitted light when the same strain was applied. Further experimental work and theoretical analysis is ongoing.

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© 2005 Society of Photo-Optical Instrumentation Engineers

Citation

Tracee L. Jamison ; Phillip Kornreich and Chung Yu
"Novel intercore-cladding lithium niobate thin film coated MOEMS fiber sensor/modulator", J. Micro/Nanolith. MEMS MOEMS. 4(4), 041302 (November 09, 2005). ; http://dx.doi.org/10.1117/1.2114667


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