routerBuilt for Acacia / Cisco coherent IC teams

400ZR · 800ZR · 1.6T coherent. MZI + WDM ring + grating signoff in one loop.

Acacia’s 400ZR + 800ZR + emerging 1.6T coherent transceiver IC iteration cycle depends on MZI modulator Vπ·L convergence, WDM ring resonator alignment, and grating coupler bandwidth across the C-band. ChipletOS Photonic Signoff v1 ships all three with AI surrogates at ≥ 99% R² vs reference solver plus a 95% conformal prediction interval on every inference and the AIM-Photonics-class DRC suite for Cisco silicon-process design rules.

✓ MZI + ring + grating LIVE✓ 95% conformal CI✓ 5 photonic vendor exporters
Your specific coherent challenges

Coherent transceiver IC turnaround in days, not quarters.

MZI Vπ·L

800ZR + 1.6T modulator drive

MZI surrogate v1 returns insertion_loss_dB + phase_shift_rad + transmission_bar over (arm_length, Vπ, applied_V, λ). Drop into the Acacia drive-circuit Pareto loop directly — < 10 ms per call.

WDM ring

C-band 100-channel WDM tuning

Ring surrogate v1 returns Q_loaded + FSR_nm + FWHM_nm with 95% conformal prediction interval. Inverse design via POST /v1/photonics/ring-from-target — give it a target FSR/Q for the channel-spacing plan, get back manufacturable (radius, gap, width).

Grating coupler

SMF-to-SOI coupling efficiency ≥ -2 dB

Grating surrogate v1 returns coupling_efficiency + peak_wavelength_nm + bandwidth_3dB_nm. Hit your CWDM-8 BW target before tape-out, not after a fab spin.

Try the live demos

Three coherent-relevant Modal endpoints. Public. No auth.

  • POST /v1/photonics/ring-from-target — inverse-design a WDM ring.
  • POST /v1/photonics/resonator-pareto — Pareto over (Q, FSR, footprint, IL).
  • POST /v1/photonics/validate-against-ieee — IEEE Si/SiN published-paper cross-check.
Try the playground →Coherent pilot SOW →
See Trust & Validation for the full validation-suite methodology and our published-paper cross-check numbers.