An electronic device containing a polymer of Formula (I), Formula (II), or mixtures, or isomers thereof ##STR00001## wherein each R.sub.1 through R.sub.10 is independently hydrogen, alkyl, aryl, alkoxy, halogen, arylalkyl, cyano, or nitro providing that R.sub.1 and R.sub.2 exclude halogen, nitro and cyano; a and b represent the number of rings; and n represents the number of repeating groups or moieties.

 
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> Laterally oxidized vertical cavity surface emitting lasers

> VCSEL, manufacturing method thereof, module, light sending device, optical spatial transmission device, light sending system, and optical spatial transmission system

~ 00534