[TuF3] Optical Signal Functionalization III

[TuF3-1] Compact Reconfigurable Optical Unitary Converter based on Non-Uniform Multimode Interference Coupler

〇Ryota Tanomura, Rui Tang, Takuo Tanemura, Yoshiaki Nakano (The Univ. of Tokyo, Japan)

キーワード：Photonic integrated technologies for compact and low power consumption switching subsystems and modules, Optical signal processing techniques for optical communications, SDM technologies for photonic switching and networking

We propose and demonstrate reconfigurable optical unitary converter with non-uniform multimode interference (MMI) couplers. By using compact 182-μm-long non-uniform MMIs, desired 8×8 unitary operation is obtained with the crosstalk equivalent to that with 364-μm-long uniform-MMIs.