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Serenade of Ansoft does have optical models for linear/nonlinear analysis like laser diode, LED, photon detector, optical fibre and attenuator. Otherwise it is not a dedicated Optical CAD of course.
The optical models are to be filled with real datasheet particulars if a real optical device is to be simulated, because its library does not include manufactured optical components.
I do not know of other serious CADs dealing with optical issues but a search on the web revealed the followings:
EasyOpt Optical CAD Program at kvand.mit.edu/EasyOpt/index.shtml or if you think of optical entities such as lenses, mirrors, prisms etc, then see **broken link removed** .
I do not know these programs though. I hope these are of some help to you.
Sorry for the delay but I was away for a few days.
Unfortunately I do not know the software products of Optiwave. In fact I am not really involved in optics and the related CAD, I am interested in "normal" RF circuits and as such I know Serenade includes some models of optical components. I did visit the url of Optiwave a few minutes ago and saw they are willing to send software which is fully working to anybody interested for evaluation purposes, without the burder of purchasing it later... Maybe those softwares include timelimits only.