diff --git a/nbs/_meep_api_styles.ipynb b/nbs/_meep_api_styles.ipynb
index 18428b69..7cbf97ac 100644
--- a/nbs/_meep_api_styles.ipynb
+++ b/nbs/_meep_api_styles.ipynb
@@ -16,10 +16,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
-    "c = cells.ebeam_y_1550()"
+    "gf.gpdk.PDK.activate()\n",
+    "c = gf.components.mmi1x2()"
    ]
   },
   {
diff --git a/nbs/_meep_api_styles.py b/nbs/_meep_api_styles.py
index e110a4bd..deeb37a2 100644
--- a/nbs/_meep_api_styles.py
+++ b/nbs/_meep_api_styles.py
@@ -19,10 +19,10 @@
 # All three produce identical `Simulation` objects — pick whichever reads best for your use case.
 
 # %%
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
-c = cells.ebeam_y_1550()
+gf.gpdk.PDK.activate()
+c = gf.components.mmi1x2()
 
 # %% [markdown]
 # ## 1. Callable style (recommended)
diff --git a/nbs/_meep_sbend.ipynb b/nbs/_meep_sbend.ipynb
index 1b514804..231b3a89 100644
--- a/nbs/_meep_sbend.ipynb
+++ b/nbs/_meep_sbend.ipynb
@@ -11,7 +11,6 @@
     "\n",
     "**Requirements:**\n",
     "\n",
-    "- UBC PDK: `uv pip install ubcpdk`\n",
     "- [GDSFactory+](https://gdsfactory.com) account for cloud simulation"
    ]
   },
@@ -20,7 +19,7 @@
    "id": "1",
    "metadata": {},
    "source": [
-    "### Load a pcell from UBC PDK"
+    "### Load a component from GDSFactory"
    ]
   },
   {
@@ -30,11 +29,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.bend_s(size=(20.0, 5.0))\n",
+    "c = gf.components.bend_s(size=(20.0, 5.0))\n",
     "\n",
     "c"
    ]
diff --git a/nbs/_meep_sbend.py b/nbs/_meep_sbend.py
index 2046069b..5aee6481 100644
--- a/nbs/_meep_sbend.py
+++ b/nbs/_meep_sbend.py
@@ -19,18 +19,17 @@
 #
 # **Requirements:**
 #
-# - UBC PDK: `uv pip install ubcpdk`
 # - [GDSFactory+](https://gdsfactory.com) account for cloud simulation
 
 # %% [markdown]
-# ### Load a pcell from UBC PDK
+# ### Load a component from GDSFactory
 
 # %%
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.bend_s(size=(20.0, 5.0))
+c = gf.components.bend_s(size=(20.0, 5.0))
 
 c
 
diff --git a/nbs/_meep_straight.ipynb b/nbs/_meep_straight.ipynb
index 757bacf9..ca328048 100644
--- a/nbs/_meep_straight.ipynb
+++ b/nbs/_meep_straight.ipynb
@@ -11,7 +11,6 @@
     "\n",
     "**Requirements:**\n",
     "\n",
-    "- UBC PDK: `uv pip install ubcpdk`\n",
     "- [GDSFactory+](https://gdsfactory.com) account for cloud simulation"
    ]
   },
@@ -20,7 +19,7 @@
    "id": "1",
    "metadata": {},
    "source": [
-    "### Load a pcell from UBC PDK"
+    "### Load a component from GDSFactory"
    ]
   },
   {
@@ -30,11 +29,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.straight(length=20.0)\n",
+    "c = gf.components.straight(length=20.0)\n",
     "\n",
     "c"
    ]
diff --git a/nbs/_meep_straight.py b/nbs/_meep_straight.py
index 61f70a95..c63199dd 100644
--- a/nbs/_meep_straight.py
+++ b/nbs/_meep_straight.py
@@ -19,18 +19,17 @@
 #
 # **Requirements:**
 #
-# - UBC PDK: `uv pip install ubcpdk`
 # - [GDSFactory+](https://gdsfactory.com) account for cloud simulation
 
 # %% [markdown]
-# ### Load a pcell from UBC PDK
+# ### Load a component from GDSFactory
 
 # %%
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.straight(length=20.0)
+c = gf.components.straight(length=20.0)
 
 c
 
diff --git a/nbs/_palace_dc.ipynb b/nbs/_palace_dc.ipynb
index a269ac95..6df21e70 100644
--- a/nbs/_palace_dc.ipynb
+++ b/nbs/_palace_dc.ipynb
@@ -40,17 +40,17 @@
    "source": [
     "from pathlib import Path\n",
     "\n",
+    "import gdsfactory as gf\n",
     "import gdsfactory.component as gfc\n",
-    "from ubcpdk import PDK, cells\n",
     "\n",
     "# Use a workspace-local temp path for layer preview artifacts.\n",
     "gds_tmp = Path.cwd() / \".gdsfactory_tmp\"\n",
     "gds_tmp.mkdir(parents=True, exist_ok=True)\n",
     "gfc.GDSDIR_TEMP = gds_tmp\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.coupler()\n",
+    "c = gf.components.coupler()\n",
     "\n",
     "cc = c.copy()\n",
     "cc.draw_ports()\n",
@@ -126,7 +126,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Active PDK: ubcpdk\n",
+      "Active PDK: gpdk\n",
       "Stack layers:\n",
       "  - box: type=dielectric, material=sio2, gds=(999, 0), z=(-3.0, 0.0)\n",
       "  - clad: type=dielectric, material=sio2, gds=(999, 0), z=(0.0, 1.8000000000000003)\n",
@@ -146,8 +146,6 @@
     }
    ],
    "source": [
-    "import gdsfactory as gf\n",
-    "\n",
     "active = gf.get_active_pdk()\n",
     "print(\"Active PDK:\", active.name)\n",
     "\n",
diff --git a/nbs/_palace_dc.py b/nbs/_palace_dc.py
index 0765d431..76c9ad11 100644
--- a/nbs/_palace_dc.py
+++ b/nbs/_palace_dc.py
@@ -25,17 +25,17 @@
 # %%
 from pathlib import Path
 
+import gdsfactory as gf
 import gdsfactory.component as gfc
-from ubcpdk import PDK, cells
 
 # Use a workspace-local temp path for layer preview artifacts.
 gds_tmp = Path.cwd() / ".gdsfactory_tmp"
 gds_tmp.mkdir(parents=True, exist_ok=True)
 gfc.GDSDIR_TEMP = gds_tmp
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.coupler()
+c = gf.components.coupler()
 
 cc = c.copy()
 cc.draw_ports()
@@ -81,8 +81,6 @@
 print(sim.validate_config())
 
 # %%
-import gdsfactory as gf
-
 active = gf.get_active_pdk()
 print("Active PDK:", active.name)
 
diff --git a/nbs/_palace_straight_diel_waveguide.ipynb b/nbs/_palace_straight_diel_waveguide.ipynb
index a049cc2b..c9c0c71c 100644
--- a/nbs/_palace_straight_diel_waveguide.ipynb
+++ b/nbs/_palace_straight_diel_waveguide.ipynb
@@ -36,11 +36,11 @@
     }
    ],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.straight(length=10.0)\n",
+    "c = gf.components.straight(length=10.0)\n",
     "\n",
     "cc = c.copy()\n",
     "cc.draw_ports()\n",
diff --git a/nbs/_palace_straight_diel_waveguide.py b/nbs/_palace_straight_diel_waveguide.py
index e1ea5314..f253d6d9 100644
--- a/nbs/_palace_straight_diel_waveguide.py
+++ b/nbs/_palace_straight_diel_waveguide.py
@@ -21,11 +21,11 @@
 # ### Build straight waveguide geometry
 
 # %%
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.straight(length=10.0)
+c = gf.components.straight(length=10.0)
 
 cc = c.copy()
 cc.draw_ports()
diff --git a/nbs/meep_2d.ipynb b/nbs/meep_2d.ipynb
index a0afb1c0..690614a7 100644
--- a/nbs/meep_2d.ipynb
+++ b/nbs/meep_2d.ipynb
@@ -44,7 +44,7 @@
     "tags": []
    },
    "source": [
-    "### Load a pcell from UBC PDK"
+    "### Load a component from GDSFactory"
    ]
   },
   {
diff --git a/nbs/meep_2d.py b/nbs/meep_2d.py
index 18bbe936..ebcde324 100644
--- a/nbs/meep_2d.py
+++ b/nbs/meep_2d.py
@@ -29,7 +29,7 @@
 # - [GDSFactory+](https://gdsfactory.com) account for cloud simulation
 
 # %% [markdown] papermill={"duration": 0.000836, "end_time": "2026-06-12T07:45:50.783250", "exception": false, "start_time": "2026-06-12T07:45:50.782414", "status": "completed"}
-# ### Load a pcell from UBC PDK
+# ### Load a component from GDSFactory
 
 # %% papermill={"duration": 1.129147, "end_time": "2026-06-12T07:45:51.913152", "exception": false, "start_time": "2026-06-12T07:45:50.784005", "status": "completed"}
 import gdsfactory as gf
diff --git a/nbs/meep_crossing.ipynb b/nbs/meep_crossing.ipynb
index 5208fdbf..17b11767 100644
--- a/nbs/meep_crossing.ipynb
+++ b/nbs/meep_crossing.ipynb
@@ -20,7 +20,6 @@
     "\n",
     "**Requirements:**\n",
     "\n",
-    "- UBC PDK: `uv pip install ubcpdk`\n",
     "- [GDSFactory+](https://gdsfactory.com) account for cloud simulation"
    ]
   },
@@ -38,7 +37,7 @@
     "tags": []
    },
    "source": [
-    "### Load a pcell from UBC PDK"
+    "### Load a component from GDSFactory"
    ]
   },
   {
@@ -74,11 +73,11 @@
     }
    ],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.ebeam_crossing4()\n",
+    "c = gf.components.crossing45()\n",
     "\n",
     "c"
    ]
diff --git a/nbs/meep_crossing.py b/nbs/meep_crossing.py
index d3df57a4..20f298bb 100644
--- a/nbs/meep_crossing.py
+++ b/nbs/meep_crossing.py
@@ -19,18 +19,17 @@
 #
 # **Requirements:**
 #
-# - UBC PDK: `uv pip install ubcpdk`
 # - [GDSFactory+](https://gdsfactory.com) account for cloud simulation
 
 # %% [markdown] papermill={"duration": 0.002639, "end_time": "2026-04-22T11:27:09.011654", "exception": false, "start_time": "2026-04-22T11:27:09.009015", "status": "completed"}
-# ### Load a pcell from UBC PDK
+# ### Load a component from GDSFactory
 
 # %% papermill={"duration": 3.211213, "end_time": "2026-04-22T11:27:12.224777", "exception": false, "start_time": "2026-04-22T11:27:09.013564", "status": "completed"}
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.ebeam_crossing4()
+c = gf.components.crossing45()
 
 c
 
diff --git a/nbs/meep_dc.ipynb b/nbs/meep_dc.ipynb
index b124839f..11e5f5d4 100644
--- a/nbs/meep_dc.ipynb
+++ b/nbs/meep_dc.ipynb
@@ -20,7 +20,6 @@
     "\n",
     "**Requirements:**\n",
     "\n",
-    "- UBC PDK: `uv pip install ubcpdk`\n",
     "- [GDSFactory+](https://gdsfactory.com) account for cloud simulation"
    ]
   },
@@ -38,7 +37,7 @@
     "tags": []
    },
    "source": [
-    "### Load a pcell from UBC PDK"
+    "### Load a component from GDSFactory"
    ]
   },
   {
@@ -74,11 +73,11 @@
     }
    ],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.coupler()\n",
+    "c = gf.components.coupler()\n",
     "\n",
     "c"
    ]
diff --git a/nbs/meep_dc.py b/nbs/meep_dc.py
index 51cee90c..20dbc032 100644
--- a/nbs/meep_dc.py
+++ b/nbs/meep_dc.py
@@ -19,18 +19,17 @@
 #
 # **Requirements:**
 #
-# - UBC PDK: `uv pip install ubcpdk`
 # - [GDSFactory+](https://gdsfactory.com) account for cloud simulation
 
 # %% [markdown] papermill={"duration": 0.000615, "end_time": "2026-04-04T19:25:07.581837", "exception": false, "start_time": "2026-04-04T19:25:07.581222", "status": "completed"}
-# ### Load a pcell from UBC PDK
+# ### Load a component from GDSFactory
 
 # %% papermill={"duration": 3.633209, "end_time": "2026-04-04T19:25:11.215600", "exception": false, "start_time": "2026-04-04T19:25:07.582391", "status": "completed"}
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.coupler()
+c = gf.components.coupler()
 
 c
 
diff --git a/nbs/meep_ring_coupler.ipynb b/nbs/meep_ring_coupler.ipynb
index b7a5cc47..09495fae 100644
--- a/nbs/meep_ring_coupler.ipynb
+++ b/nbs/meep_ring_coupler.ipynb
@@ -20,7 +20,6 @@
     "\n",
     "**Requirements:**\n",
     "\n",
-    "- UBC PDK: `uv pip install ubcpdk`\n",
     "- [GDSFactory+](https://gdsfactory.com) account for cloud simulation"
    ]
   },
@@ -38,7 +37,7 @@
     "tags": []
    },
    "source": [
-    "### Load a pcell from UBC PDK"
+    "### Load a component from GDSFactory"
    ]
   },
   {
@@ -74,11 +73,11 @@
     }
    ],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.coupler_ring(length_x=10)\n",
+    "c = gf.components.coupler_ring(length_x=10)\n",
     "c"
    ]
   },
diff --git a/nbs/meep_ring_coupler.py b/nbs/meep_ring_coupler.py
index 1350b123..ed1796a8 100644
--- a/nbs/meep_ring_coupler.py
+++ b/nbs/meep_ring_coupler.py
@@ -19,18 +19,17 @@
 #
 # **Requirements:**
 #
-# - UBC PDK: `uv pip install ubcpdk`
 # - [GDSFactory+](https://gdsfactory.com) account for cloud simulation
 
 # %% [markdown] papermill={"duration": 0.001984, "end_time": "2026-04-04T19:34:48.419440", "exception": false, "start_time": "2026-04-04T19:34:48.417456", "status": "completed"}
-# ### Load a pcell from UBC PDK
+# ### Load a component from GDSFactory
 
 # %% papermill={"duration": 2.555359, "end_time": "2026-04-04T19:34:50.976607", "exception": false, "start_time": "2026-04-04T19:34:48.421248", "status": "completed"}
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.coupler_ring(length_x=10)
+c = gf.components.coupler_ring(length_x=10)
 c
 
 # %% [markdown] papermill={"duration": 0.000651, "end_time": "2026-04-04T19:34:50.978192", "exception": false, "start_time": "2026-04-04T19:34:50.977541", "status": "completed"}
diff --git a/nbs/meep_ybranch.ipynb b/nbs/meep_ybranch.ipynb
index cf52212a..696cfe81 100644
--- a/nbs/meep_ybranch.ipynb
+++ b/nbs/meep_ybranch.ipynb
@@ -20,7 +20,6 @@
     "\n",
     "**Requirements:**\n",
     "\n",
-    "- UBC PDK: `uv pip install ubcpdk`\n",
     "- [GDSFactory+](https://gdsfactory.com) account for cloud simulation"
    ]
   },
@@ -38,7 +37,7 @@
     "tags": []
    },
    "source": [
-    "### Load a pcell from UBC PDK"
+    "### Load a component from GDSFactory"
    ]
   },
   {
@@ -74,11 +73,11 @@
     }
    ],
    "source": [
-    "from ubcpdk import PDK, cells\n",
+    "import gdsfactory as gf\n",
     "\n",
-    "PDK.activate()\n",
+    "gf.gpdk.PDK.activate()\n",
     "\n",
-    "c = cells.ebeam_y_1550()\n",
+    "c = gf.components.mmi1x2()\n",
     "c"
    ]
   },
diff --git a/nbs/meep_ybranch.py b/nbs/meep_ybranch.py
index d2621d19..7b0d1569 100644
--- a/nbs/meep_ybranch.py
+++ b/nbs/meep_ybranch.py
@@ -19,18 +19,17 @@
 #
 # **Requirements:**
 #
-# - UBC PDK: `uv pip install ubcpdk`
 # - [GDSFactory+](https://gdsfactory.com) account for cloud simulation
 
 # %% [markdown] papermill={"duration": 0.001996, "end_time": "2026-04-04T19:47:36.595345", "exception": false, "start_time": "2026-04-04T19:47:36.593349", "status": "completed"}
-# ### Load a pcell from UBC PDK
+# ### Load a component from GDSFactory
 
 # %% papermill={"duration": 3.17493, "end_time": "2026-04-04T19:47:39.772105", "exception": false, "start_time": "2026-04-04T19:47:36.597175", "status": "completed"}
-from ubcpdk import PDK, cells
+import gdsfactory as gf
 
-PDK.activate()
+gf.gpdk.PDK.activate()
 
-c = cells.ebeam_y_1550()
+c = gf.components.mmi1x2()
 c
 
 # %% [markdown] papermill={"duration": 0.000956, "end_time": "2026-04-04T19:47:39.774192", "exception": false, "start_time": "2026-04-04T19:47:39.773236", "status": "completed"}