v0.3.48

• SiN waveguide and model
• SiN Y branch
• SiN waveguide heater
• Si thermally tuned ring resonator
• 1310 nm compound waveguide
• "Waveguide" layer used to draw a Path for the Si and SiN waveguides

v0.3.47

• putting Lumerical CML file in the PDK

v0.3.46

• removed the layer 31_Si_p6nm , and fixing the Beta library layer

v0.3.45

• renaming the PDK folder to be "klayout/EBeam" rather than "klayout_dot_config/tech/EBeam"
• added silicon nitride SiN layer (1/5) and a SiN library
• thermo-optic example layout
• some additional documentation
• bug fixes on a few PCells

v0.3.44

Minor fixes:

• ebeam_taper_te1550: asymmetry of the design
• contradirectional coupler
• ebeam_dc_te1550

Changes:

• design for test: both TE and TM facing the same direction
• updated process control monitoring

Addition:

• Addition of black box grating coupler models in the Lumerical CML (1310 and 1550, TE and TM)

v0.3.43

• fixes: Waveguides
• fix: S-bend
• new: Black Box layer, for IP replacement
• new: Black Box cells (grating couplers) which allow creating designs that can be targeted for multiple foundries; requires IP replacement
• update: contra-directional coupler and other pcells

v0.3.42

• Waveguide: automatic insertion of waveguide tapers for low loss routing
• Updated Process Control Monitoring (PCM) cell, including O band devices and improved test structures
• Component
  • BraggWaveguide_holes: 1D photonic crystal Bragg gratin
• Added a Library that has fabrication biasing specific to ANT
• fix for case sensitivity in loading library cells

v0.3.41

• added component to EBeam-Beta library: ebeam_y_adiabatic_1310
• update Lumerical CML
  • fix for wg_strip (missing strip_waveguide.lsf), plus added annotations
  • added O-band optical network analyzer

v0.3.40

• fix DFT rules
• fix scripted examples (MZI, ring resonator)

v0.3.39

• improvements to scripted example layouts
• fixes to the Waveguide_SBend PCell
• fixes (DRC errors) to the ebeam_Bragg_te_1550 PCell
• layer table update