Multimode interference devices with input-output ports on the sides |
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Authors: | Mackie David M |
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Affiliation: | Army Research Laboratory, Microphotonics Branch, Adelphi, Maryland 20783, USA. dmackie@arl.army.mil |
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Abstract: | Multimode interference (MMI) devices are useful for power splitting and for the separation or combination of wavelengths or polarizations, usually in integrated optics. Input-output guides connect to the MMI region by ports. In all previously reported MMI devices, the input and output guides connect only to the ends of the MMI region; i.e., they are end ported. What is believed to be a novel arrangement of the input-output ports on MMI devices is described. By placing input-output ports either partially or entirely on the sides of the MMI region (i.e., side porting), a variety of benefits are achieved and a variety of new devices can be made. |
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