Fabrication of crystalline organic waveguides with an exceptionally large electro-optic coefficient

被引：117

作者：

Geis, W ^{[1
]}

Sinta, R ^{[1
]}

Mowers, W ^{[1
]}

Deneault, SJ ^{[1
]}

Marchant, MF ^{[1
]}

Krohn, KE ^{[1
]}

Spector, SJ ^{[1
]}

Calawa, DR ^{[1
]}

Lyszczarz, TM ^{[1
]}

机构：

[1] MIT, Lincoln Lab, Lexington, MA 02420 USA

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 19期

关键词：

D O I：

10.1063/1.1723697

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Single-crystal optical waveguides of 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST), an organic material with a large electro-optic coefficient, have been obtained. DAST decomposes at its melting temperature, making its growth from the melt difficult. However, graphoepitaxy allows for >1 mm s(-1) growth, 1x10(5) times faster than conventional techniques, and produces crystals of the correct dimensions for optical waveguides, 1-15 mum on a side and 5-10 mm long. The crystals grow with the c-axis normal to the substrate, and with in-plane orientation determined by lithographic patterning. The electro-optic coefficient dn/dE is 600+/-300 pm V-1 at 1.55 mum wavelength. Optical losses are <10 dB cm(-1). (C) 2004 American Institute of Physics.

引用

页码：3729 / 3731

页数：3

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