Abstract
For the development of very large scale high speed integrated photonics devices the organic material DAST (4-N, N-dimethylamino-4′-N′-methyl stilbazolium tosylate) is considered as highly attractive due to the combination of low dielectric constants (ϵ1 = 5.2 ±0.4) with outstanding nonlinear ((d11 = 1010 ± 110pm/V at 1318 nm, d11 = 290 ± 15pm/V at 1542 nm) and electro-optical properties (r11 = 47 ± 8 pm/V at 1535 nm), being respectively 10 times and twice as large as those of standard lithium niobate. DAST is an organic crystal based on strong Coulomb interactions, therefore its stability is an essential advantage over poled polymers.
© 2007 IEEE
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