Tasks
Explore functional-requirement design problems and reference-grounded implementation challenges. Published entries open the complete run evidence; empty entries establish the released catalog without inventing results.
WDM-v1
Four-Channel Electrothermal Dual-Ring WDM Channelizer
Design a four-channel dual-ring WDM channelizer near 1310 nm with eight independently contacted heaters and trusted electrothermal scoring.
WDM-v2
Eight-Channel Electrothermal Dual-Ring WDM Channelizer
Design an eight-channel dual-ring WDM channelizer near 1310 nm with 16 independently heated rings and trusted electrothermal scoring.
Microresonator-v1
Single-Ring O-Band Microresonator Modulator
Design a single-ring O-band microresonator modulator for 100 Gb/s operation with coupled optical, RF, electrical, and thermal verification.
Microresonator-v2
Five-Channel C-Band WDM-PAM4 Microresonator Modulator
Design a five-channel C-band WDM-PAM4 microresonator modulator array with two-segment junctions, independent heaters, and trusted optical, RF, electrical, and thermal verification.
MZI-v1
Broadband 4x4 Rectangular MZI Mesh
Design a broadband 4×4 rectangular MZI mesh with independently controlled interferometers and trusted optical, electrical, and thermal verification.
MZI-v2
Broadband 6x6 Rectangular MZI Mesh
Design a broadband 6×6 rectangular MZI mesh with 36 quantized controls and trusted optical, electrical, and electrothermal verification.
MZI-Ring-v1
MZI-Coupled Microring Add-Drop Filter Electrothermal Design
Design a compact four-port MZI-coupled microring add-drop filter with independent theta and phi heaters, trusted electrothermal tuning, and evaluator-owned optical scoring.
MZI-Ring-v2
MZI-coupled microring add-drop filter electrothermal design v2
Design a fifth-order four-port Vernier microring add-drop filter with two physical bus MZIs, seven heaters, two fixed VOAs, and trusted local electrothermal and optical scoring.
Quantum-4
Four-Mode Quantum Projector Electrothermal Design
Design a four-mode quantum projector with a 4×4 interferometer network, electrothermal phase control, and trusted fidelity scoring.
Quantum-8
Eight-Mode Quantum Projector Electrothermal Design
Design an eight-mode quantum projector with a tree of seven MZIs, 15 electrothermal phase controls, and trusted fidelity scoring.
MZI-Spec-8
Compact PDK-Physical Eight-Delay Sparse-Spectrum MZI Spectrometer
Design a compact eight-delay MZI spectrometer with physical SiEPIC couplers, a routed 1x8 splitter tree, 16 grating outputs, and trusted sparse-spectrum reconstruction scoring.
RAFT-Spec
Microring-Assisted Fourier Spectrometer Electrothermal Design
Design a microring-assisted Fourier spectrometer with a smooth add-drop resonator, thermally scanned MZI, physical heater routing, and trusted robust sparse-spectrum reconstruction scoring.
Ring-XC-v1
Four-Wavelength Two-Port Ring Selective Cross-Connect
Design a four-wavelength, two-input, two-output ring-selective cross-connect with independently compiled wavelength routes and trusted optical, electrical, thermal, DRC, and LVS verification.
Ring-XC-v2
Four-Wavelength Four-Port Ring Selective Cross-Connect
Design a four-wavelength, four-input, four-output blocking-aware ring-selective cross-connect with independently compiled wavelength routes and trusted optical, electrical, thermal, DRC, and LVS verification.
Serial MZI-v1
Serial Dual-Ring-Assisted MZI Elliptic Bandpass Electrothermal Design v1
Design a serial dual-ring-assisted MZI elliptic bandpass filter with five tunable couplers, three electrothermal phase controls, and trusted optical, electrical, thermal, DRC, and circuit verification.
90SiN Bend-v0
90 Degree SiN Waveguide Bend Design
Design a low-loss 90-degree silicon-nitride waveguide bend at 1550 nm with a fixed Tidy3D setup, trusted cloud evaluation, and geometry DRC.
Anisotropic SWG-v0
Anisotropic SWG 2 x 2 Beamsplitter Implementation/Optimization
Implement and optimize an anisotropic subwavelength-grating 2 × 2 MMI beamsplitter over 1250–1750 nm. One input is simulated; strict y-mirror symmetry establishes the second input response.
α-Si/Si₃N₄ Grating-v0
α-Si/Si3N4 SWG Grating Coupler Implementation/Optimization
Implement and optimize the apodized α-Si/Si₃N₄ SWG grating at 1310 nm. Trusted FDTD measures coupling loss and both bandwidths against the paper-derived reference envelope.
Dual-Trident SWG-v0
Dual-Trident SWG Edge Coupler Implementation/Optimization
Implement and optimize a silicon dual-trident subwavelength-grating edge coupler over 1536–1628 nm. The trusted evaluator measures Gaussian-beam coupling into the output waveguide's fundamental TE mode.
HMDM polarization splitter–rotator
HMDM Polarization Splitter–Rotator Implementation/Optimization
Optimize the paper-derived polarization splitter–rotator's independently selectable nanohole sites. The trusted evaluator measures desired-mode transmission for TE₀ and TM₀ inputs across 1500–1600 nm.
HMDM six-channel WDM
HMDM Six-Channel WDM Binary Optimization
Optimize a six-channel WDM nanohole mask with independently selectable sites across the paper-derived design region. The trusted evaluator measures worst-channel insertion loss and crosstalk against the paper envelope.
Sb₂Se₃/Si Rotator-v0
Sb2Se3/Si Reconfigurable Polarization Rotator Implementation/Optimization
Implement and optimize a reconfigurable Sb₂Se₃/Si polarization rotator. The trusted evaluator scores worst-case polarization-conversion loss over both material states and 1290–1330 nm.
SRSN Grating-v0
SRSN Grating Coupler Implementation/Optimization
Implement and optimize a silicon-rich silicon nitride grating above a thin SiN waveguide for vertical fiber-to-chip coupling at 1550 nm. Compare evaluator-owned coupling loss with the paper’s 3D-FDTD baseline.
TFLN Crossing-v0
Three-Direction TFLN MMI Crossing Implementation/Optimization
Implement and optimize symmetric and asymmetric thin-film lithium-niobate MMI crossings at 1550 nm. Three independent crystal-direction subruns measure worst-direction insertion loss and enforce crosstalk and field-decay gates.
TFLN PI-MMI-v0
Polarization-Insensitive TFLN 1x2 MMI Implementation/Optimization
Implement and optimize a polarization-insensitive TFLN 1 × 2 MMI. The trusted evaluator measures worst-output excess loss for TE and TM across 1520–1580 nm.
Trapezoidal SWG-v0
Trapezoidal SWG 2 x 2 3-dB Coupler Implementation/Optimization
Implement and optimize a trapezoidal subwavelength-grating 2 × 2 coupler. Compare both physical input responses over 1400–1700 nm against the paper’s splitting and excess-loss envelope.