A multimode interference device and method of making the same comprises at least one input port, at least one output port, a multimode interference region separating the input port from the output port, and at least one subregion in the multimode interference region, wherein a self-image length within the multimode interference region is reduced by a factor that is approximately equal to one plus a number of subregions configured in the multimode interference region, wherein the at least one subregion is configured to have an effective width and effective refractive index running longitudinally through the multimode interference region. Additionally, the subregion may comprise at least one slot.

 
Web www.patentalert.com

< Arrangements enabling an audience to replay a presentation

< Systems and methods for secure transaction management and electronic rights protection

> Systems and methods for providing a RF transaction device for use in a private label transaction

> Ionization device for aerosol mass spectrometer and method of ionization

~ 00257