Fabrication of a multimode interference device in a low-loss flat-fiber platform using physical micromachining technique

Fabrication of a multimode interference device in a low-loss flat-fiber platform using physical micromachining technique

A physical micromachining technique is demonstrated in a low-loss flat-fiber substrate to fabricate a multimode interference (MMI) device. The flat-fiber substrate is a low-index-contrast material; however, by making use of two physically micromachined trenches, lateral confinement is achieved provi...

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Bibliographic Details
Main Authors: Ambran, S., Holmes, C., Gates, J.C., Webb, A.S., Carpenter, L.G., Adikan, Faisal Rafiq Mahamd, Smith, P.G.R., Sahu, J.K.
Format: Article
Language:English
Published: Institute of Electrical and Electronics Engineers 2012
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.um.edu.my/4653/1/Ambran-2012-Fabrication_of_a_Mul.pdf
Description
Summary:A physical micromachining technique is demonstrated in a low-loss flat-fiber substrate to fabricate a multimode interference (MMI) device. The flat-fiber substrate is a low-index-contrast material; however, by making use of two physically micromachined trenches, lateral confinement is achieved providing high index contrast for the MMI region. A 1 x 3 MMI device exhibiting 1.89 dB of excess loss has been demonstrated.

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