GRADED-INDEX POLYMER-BASED WAVE-GUIDE LENS WORKING AT VISIBLE WAVELENGTHS ON GAAS SUBSTRATE FOR OPTOELECTRONIC INTERCONNECTS

被引：7

作者：

CHEN, RT

机构：

[1] Microelectronics Research Center, Department of Electrical and Computer Engineering, University of Texas, Austin

来源：

APPLIED PHYSICS LETTERS | 1993年 / 62卷 / 20期

关键词：

D O I：

10.1063/1.109330

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A polymer-based graded index (GRIN with n = 1.4-1.6) waveguide lens was demonstrated on a semi-insulating GaAs substrate. The transparent bandwidth of the polymer film (photolime gel) is from approximately 280 to approximately 2800 nm. Therefore, UV (ultraviolet), visible and near-IR (infrared) light can be employed as the signal carrier wavelength. In this letter, an off-axis chirped grating lens working at 632.8 nm with 35 mm focal length, 680/mm chirp rate, and angular field of view of 6-degrees was demonstrated. Measured focal spot size of the main lobe is 5.6 mum which is very close to the theoretical prediction (4.2 mum). The crosslink-induced index modulation is as high as 0.2. Therefore, an array of chirped phase grating lenses can be multiplexed onto the same holographic emulsion for one- and two-dimensional massive fanout optical interconnects and signal processing.

引用

页码：2495 / 2497

页数：3

共 18 条

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