Polarization insensitive semiconductor optical amplifier

Details Polarization insensitive semiconductor optical amplifier Polarization insensitive semiconductor optical amplifier

2008-05-13

2008-05-13

Healy, Brian (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling structure

C385S027000, C385S028000, C385S039000, C385S129000, C385S130000, C385S131000, C385S132000, C359S341100, C372S006000

Reexamination Certificate

active

07373048

ABSTRACT:
A polarization insensitive semiconductor optical amplifier (SOA) is provided. The SOA includes an active waveguide, a passive waveguide, and a taper coupler for coupling optical energy from the passive waveguide into the active waveguide, wherein the taper coupler has width W varying relative to position along a main axis z of propagation of the SOA in proportion to the minimum value of 1/CTE 01(z) 1/CTM 01(z), where CTE 01(z) represents the coefficient of energy coupling between a fundamental mode and a first order mode for the transverse electric polarization as a function of the position z, and CTM 01(z) represents the coefficient of energy coupling between a fundamental mode and a first order mode for the transverse magnetic polarization as a function of the position z.

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