Grating coupler design of an integrated HAMR head light delivery system using topology optimization

Hyun Jun Soh; Jeonghoon Yoo

doi:10.1109/TMAG.2009.2039855

Grating coupler design of an integrated HAMR head light delivery system using topology optimization

Hyun Jun Soh, Jeonghoon Yoo

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

This research is objected to design the grating structure for the purpose of efficient light delivery for the heat assisted magnetic recording (HAMR) system. The parameter study is firstly performed to determine the proper size of waveguide components and the topology optimization method is employed to design the grating structure. The formulation of the optimization problem is set to maximize the efficiency of the optical delivery. In the topology optimization result, the coupling efficiency is improved more than 20 times in comparison with the initial coupling efficiency and it is verified that the suggested optimization process can be applied to the grating structure design in the HAMR head effectively.

Original language	English
Article number	5467641
Pages (from-to)	1511-1514
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	46
Issue number	6
DOIs	https://doi.org/10.1109/TMAG.2009.2039855
Publication status	Published - 2010 Jun

Bibliographical note

Funding Information:
This work was supported by the Korea Science and Engineering Foundation (KOSEF) grant funded by the Korean government (MEST) (No. 2009-0079338).

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2009.2039855

Cite this

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title = "Grating coupler design of an integrated HAMR head light delivery system using topology optimization",

abstract = "This research is objected to design the grating structure for the purpose of efficient light delivery for the heat assisted magnetic recording (HAMR) system. The parameter study is firstly performed to determine the proper size of waveguide components and the topology optimization method is employed to design the grating structure. The formulation of the optimization problem is set to maximize the efficiency of the optical delivery. In the topology optimization result, the coupling efficiency is improved more than 20 times in comparison with the initial coupling efficiency and it is verified that the suggested optimization process can be applied to the grating structure design in the HAMR head effectively.",

author = "Soh, {Hyun Jun} and Jeonghoon Yoo",

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AB - This research is objected to design the grating structure for the purpose of efficient light delivery for the heat assisted magnetic recording (HAMR) system. The parameter study is firstly performed to determine the proper size of waveguide components and the topology optimization method is employed to design the grating structure. The formulation of the optimization problem is set to maximize the efficiency of the optical delivery. In the topology optimization result, the coupling efficiency is improved more than 20 times in comparison with the initial coupling efficiency and it is verified that the suggested optimization process can be applied to the grating structure design in the HAMR head effectively.

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Grating coupler design of an integrated HAMR head light delivery system using topology optimization

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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