Application of long period gratings to integrated optical power splitters

C. Wong; J. N. McMullin; C. J. Haugen

doi:10.1117/12.700457

9 February 2007 Application of long period gratings to integrated optical power splitters

C. Wong, J. N. McMullin, C. J. Haugen

Proceedings Volume 6478, Photonics Packaging, Integration, and Interconnects VII; 64780P (2007) https://doi.org/10.1117/12.700457
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

Long period gratings (LPGs) in singlemode fibers have been used in recent years to make optical sensors. The grating-assisted coupling of light from the bound fibre mode to a cladding mode is sensitive to local influences such as temperature and stress. In this paper, we investigate the possibility of using LPGs to modify the behavior of planar multimode interference (MMI) devices by coupling power between selected bound modes of the planar device. In particular, it is shown that by applying an LPG to a MMI 1xN splitter, the splitting ratio can be changed. By making the grating dynamic, a tunable splitter can be realized. Examples are given for 1x2, 1x3 and 1x5 splitters. Possible methods for realizing such devices are discussed.

Citation Download Citation

C. Wong, J. N. McMullin, and C. J. Haugen "Application of long period gratings to integrated optical power splitters", Proc. SPIE 6478, Photonics Packaging, Integration, and Interconnects VII, 64780P (9 February 2007); https://doi.org/10.1117/12.700457

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