Dye thin film, production method thereof, optical switch,...

Details Dye thin film, production method thereof, optical switch,... Dye thin film, production method thereof, optical switch,...

2005-03-15

2005-03-15

Healy, Brian (Department: 2883)

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

C385S016000, C385S018000, C549S304000, C549S305000, C549S307000, C359S321000

Reexamination Certificate

active

06868215

ABSTRACT:
A dye thin film containing a dye compound represented by the general formula (I), an optical switch, an optical distributor, an optical modulator and an optical switch array having the dye thin film, as well as a method for producing a dye thin film are provided. The method includes the step of coating the solution of the dye compound on a substrate:where R1and R2may be identical or different from each other and each represents, respectively, a linear alkyl group or a branched alkyl group, the dye thin film having high thermal stability, having intense absorption at approximately 1.3 μm and having ultrafast response characteristic.

REFERENCES:
patent: 20030031439 (2003-02-01), Iwasa et al.
patent: 20030220511 (2003-11-01), Tian et al.
patent: A 11-282034 (1999-10-01), None
patent: A 2000-111967 (2000-04-01), None
Furuki et. al., “Monomolecular layer of squarylium dye J aggregates exhibiting a femtosecond optical response of delocalized excitons,” Applied Physics Letters, vol. 72, No. 21, May 25, 1998.
Furuki et. al., “Observation of sub-100-fs optical response from spin-coated films of squarylium dye J aggregates,” Applied Physics Letters, vol. 78, No. 18, Apr. 30, 2001.
Nikkan Kogyo Shimbun, pp. 5, Jul. 13, 1998.

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