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Asymptotically Fault-Tolerant Programmable Photonics
Ryan Hamerly, Saumil Bandyopadhyay, Dirk Englund
Component errors limit the scaling of programmable coherent photonic circuits. These errors arise because the standard tunable photonic coupler -- the Mach-Zehnder interferometer (…
Stability of Self-Configuring Large Multiport Interferometers
Ryan Hamerly, Saumil Bandyopadhyay, Dirk Englund
Realistic multiport interferometers (beamsplitter meshes) are sensitive to component imperfections, and this sensitivity increases with size. Self-configuration techniques can be e…
Accurate Self-Configuration of Rectangular Multiport Interferometers
Ryan Hamerly, Saumil Bandyopadhyay, Dirk Englund
Multiport interferometers based on integrated beamsplitter meshes are widely used in photonic technologies. While the rectangular mesh is favored for its compactness and uniformity…
Hardware error correction for programmable photonics
Saumil Bandyopadhyay, Ryan Hamerly, Dirk Englund
Programmable photonic circuits of reconfigurable interferometers can be used to implement arbitrary operations on optical modes, facilitating a flexible platform for accelerating t…