remove taper cell

gdsfactory/components/grating_coupler_loss.py

@@ -47,7 +47,6 @@ def loss_deembedding_ch13_24(
         gc_ports[0],
         gc_ports[2],
         start_straight_length=40.0,
-        taper=None,
         cross_section=cross_section,
         **kwargs,
     )
@@ -121,7 +120,6 @@ def loss_deembedding_ch12_34(
         gc_ports[0],
         gc_ports[1],
         start_straight_length=40.0,
-        taper=None,
         cross_section=cross_section,
         **kwargs,
     )
@@ -130,7 +128,6 @@ def loss_deembedding_ch12_34(
         gc_ports[2],
         gc_ports[3],
         start_straight_length=40.0,
-        taper=None,
         cross_section=cross_section,
         **kwargs,
     )
@@ -178,7 +175,6 @@ def loss_deembedding_ch14_23(
         gc_ports[0],
         gc_ports[3],
         start_straight_length=40.0,
-        taper=None,
         cross_section=cross_section,
         **kwargs,
     )
@@ -187,7 +183,6 @@ def loss_deembedding_ch14_23(
         gc_ports[1],
         gc_ports[2],
         start_straight_length=30.0,
-        taper=None,
         cross_section=cross_section,
         **kwargs,
     )
@@ -233,7 +228,6 @@ def grating_coupler_loss_fiber_array(
         gc_ports[0],
         gc_ports[1],
         start_straight_length=40.0,
-        taper=None,
         cross_section=cross_section,
         **kwargs,
     )

gdsfactory/components/grating_coupler_tree.py

@@ -44,7 +44,6 @@ def grating_coupler_tree(
         grating_coupler=grating_coupler,
         fanout_length=fanout_length,
         bend=bend,
-        taper=None,
         **kwargs,
     )
 

gdsfactory/generic_tech/__init__.py

@@ -57,7 +57,7 @@ def get_generic_pdk() -> Pdk:
     cells.update(containers)
 
     layer_transitions = {
-        LAYER.WG: partial(gf.c.taper, cross_section="rib", length=20),
+        LAYER.WG: partial(gf.c.taper, cross_section="strip", length=10),
         (LAYER.WG, LAYER.WGN): "taper_sc_nc",
         LAYER.M3: "taper_electrical",
     }

gdsfactory/routing/add_fiber_array.py

@@ -21,7 +21,6 @@ def add_fiber_array(
     gc_port_name: str = "o1",
     select_ports: Callable = select_ports_optical,
     cross_section: CrossSectionSpec = "strip",
-    taper: ComponentSpec | None = None,
     **kwargs,
 ) -> Component:
     """Returns component with south routes and grating_couplers.
@@ -34,7 +33,6 @@ def add_fiber_array(
         gc_port_name: grating coupler input port name.
         select_ports: function to select ports.
         cross_section: cross_section function.
-        taper: taper spec.
         kwargs: additional arguments.
 
     Keyword Args:
@@ -120,7 +118,6 @@ def add_fiber_array(
         gc_port_name=gc_port_name,
         cross_section=cross_section,
         select_ports=select_ports,
-        taper=taper,
         **kwargs,
     )
 

gdsfactory/routing/add_pads.py

@@ -26,7 +26,6 @@ def add_pads_bot(
     straight_separation: float = 15.0,
     pad_spacing: float | str = "pad_spacing",
     optical_routing_type: int | None = 1,
-    taper: ComponentSpec | None = None,
     port_type: str = "electrical",
     allow_width_mismatch: bool = True,
     fanout_length: float | None = 80,
@@ -49,7 +48,6 @@ def add_pads_bot(
         straight_separation: from wire edge to edge. Defaults to xs.width+xs.gap
         pad_spacing: in um. Defaults to pad_spacing constant from the PDK.
         optical_routing_type: None: auto, 0: no extension, 1: standard, 2: check.
-        taper: taper spec.
         port_type: port type.
         allow_width_mismatch: True
         fanout_length: if None, automatic calculation of fanout length.
@@ -130,7 +128,6 @@ def add_pads_bot(
         port_names=port_names,
         fiber_spacing=pad_spacing,
         optical_routing_type=optical_routing_type,
-        taper=taper,
         port_type=port_type,
         gc_port_name_fiber=pad_port_name,
         allow_width_mismatch=allow_width_mismatch,
@@ -164,7 +161,6 @@ def add_pads_top(
         bend: bend spec.
         straight_separation: from edge to edge.
         straight: straight spec.
-        taper: taper spec.
         get_input_label_text_loopback_function: function to get input label test.
         get_input_label_text_function: for labels.
         fanout_length: if None, automatic calculation of fanout length.

gdsfactory/routing/route_fiber_array.py

@@ -10,7 +10,6 @@
 from gdsfactory.components.bend_euler import bend_euler
 from gdsfactory.components.grating_coupler_elliptical_trenches import grating_coupler_te
 from gdsfactory.components.straight import straight as straight_function
-from gdsfactory.components.taper import taper as taper_function
 from gdsfactory.cross_section import strip
 from gdsfactory.port import select_ports_optical
 from gdsfactory.routing.route_bundle import get_min_spacing, route_bundle
@@ -33,7 +32,6 @@ def route_fiber_array(
     grating_coupler: ComponentSpecOrList = grating_coupler_te,
     bend: ComponentSpec = bend_euler,
     straight: ComponentSpec = straight_function,
-    taper: ComponentSpec | None = taper_function,
     fanout_length: float | None = None,
     max_y0_optical: None = None,
     with_loopback: bool = True,
@@ -69,7 +67,6 @@ def route_fiber_array(
         grating_coupler: grating coupler instance, function or list of functions.
         bend: for bends.
         straight: straight.
-        taper: taper.
         fanout_length: target distance between gratings and the southmost component port.
             If None, automatically calculated.
         max_y0_optical: Maximum y coordinate at which the intermediate optical ports can be set.
@@ -267,7 +264,6 @@ def has_p(side) -> bool:
         gc_port_name=gc_port_name,
         bend=bend90,
         straight=straight,
-        taper=taper,
         select_ports=select_ports,
         port_names=port_names,
         cross_section=cross_section,
@@ -337,7 +333,6 @@ def has_p(side) -> bool:
             port_type=port_type,
             sort_ports=True,
             allow_width_mismatch=allow_width_mismatch,
-            taper=taper,
             route_width=route_width,
         )
         if with_fiber_port:
@@ -364,7 +359,6 @@ def has_p(side) -> bool:
                 port_type=port_type,
                 sort_ports=True,
                 allow_width_mismatch=allow_width_mismatch,
-                taper=taper,
                 route_width=route_width,
             )
             del to_route[n0 - dn : n0 + dn]
@@ -424,7 +418,6 @@ def has_p(side) -> bool:
             straight=straight,
             bend=bend90,
             cross_section=cross_section,
-            taper=taper,
         )
         if with_fiber_port:
             port0 = gca1[gc_port_name_fiber]
@@ -456,16 +449,16 @@ def demo() -> None:
 if __name__ == "__main__":
 
     @gf.cell
-    def mzi_with_bend(radius=10):
+    def mzi_with_bend(radius=10, **kwargs):
         c = gf.Component()
-        bend = c.add_ref(gf.components.bend_euler(radius=radius))
-        mzi = c.add_ref(gf.components.mzi())
+        bend = c.add_ref(gf.components.bend_euler(radius=radius, **kwargs))
+        mzi = c.add_ref(gf.components.mzi(**kwargs))
         bend.connect("o1", mzi.ports["o2"])
         c.add_port(name="o1", port=mzi.ports["o1"])
         c.add_port(name="o2", port=bend.ports["o2"])
         return c
 
-    gc = gf.components.grating_coupler_elliptical_te(taper_length=30)
+    gc = gf.components.grating_coupler_elliptical_te(taper_length=10)
 
     # component = gf.components.nxn(north=10, south=10, east=10, west=10)
     # component = gf.components.straight()
@@ -476,7 +469,7 @@ def mzi_with_bend(radius=10):
     # component = gf.components.mzi_phase_shifter()
 
     c = gf.Component()
-    ref = c << mzi_with_bend()
+    ref = c << gf.c.straight(width=2, length=10)
     routes = route_fiber_array(
         c,
         ref,

gdsfactory/routing/route_single.py

@@ -53,7 +53,6 @@ def route_single(
     port2: Port,
     bend: ComponentSpec = bend_euler,
     straight: ComponentSpec = straight_function,
-    taper: ComponentSpec | None = None,
     start_straight_length: float = 0.0,
     end_straight_length: float = 0.0,
     cross_section: CrossSectionSpec | MultiCrossSectionAngleSpec = "strip",
@@ -75,7 +74,6 @@ def route_single(
         port2: end port.
         bend: bend spec.
         straight: straight spec.
-        taper: taper spec.
         start_straight_length: length of starting straight.
         end_straight_length: length of end straight.
         cross_section: spec.
@@ -110,7 +108,6 @@ def route_single(
     radius = radius or xs.radius
     width_dbu = width / component.kcl.dbu
 
-    taper_cell = gf.get_component(taper, cross_section=cross_section) if taper else None
     bend90 = gf.get_component(
         bend, cross_section=cross_section, radius=radius, width=width
     )
@@ -148,7 +145,6 @@ def straight_dbu(
             p2=p2,
             straight_factory=straight_dbu,
             bend90_cell=bend90,
-            taper_cell=taper_cell,
             pts=waypoints,
             port_type=port_type,
             allow_width_mismatch=allow_width_mismatch,
@@ -162,7 +158,6 @@ def straight_dbu(
             p2=p2,
             straight_factory=straight_dbu,
             bend90_cell=bend90,
-            taper_cell=taper_cell,
             start_straight=start_straight,
             end_straight=end_straight,
             port_type=port_type,

gdsfactory/routing/route_single_from_steps.py

@@ -26,10 +26,7 @@ def route_single_from_steps(
     steps: Sequence[Mapping[Literal["x", "y", "dx", "dy"], int | float]] | None = None,
     bend: ComponentSpec = "bend_euler",
     straight: ComponentSpec = "straight",
-    taper: ComponentSpec | None = "taper",
     cross_section: CrossSectionSpec | MultiCrossSectionAngleSpec = "strip",
-    auto_widen: bool = False,
-    taper_length: float | None = None,
     port_type: str | None = None,
     allow_width_mismatch: bool = False,
     auto_taper: bool = True,
@@ -49,10 +46,7 @@ def route_single_from_steps(
         steps: that define the route (x, y, dx, dy) [{'dx': 5}, {'dy': 10}].
         bend: function that returns bends.
         straight: straight spec.
-        taper: taper spec.
         cross_section: cross_section spec.
-        auto_widen: if True, tapers to wider straights.
-        taper_length: length of the taper if auto_widen=True.
         port_type: optical or electrical.
         allow_width_mismatch: if True, allows width mismatch.
         auto_taper: if True, adds taper to the route.
@@ -120,20 +114,6 @@ def route_single_from_steps(
     else:
         xs = gf.get_cross_section(cross_section, **kwargs)
 
-        if auto_widen:
-            if taper_length is None:
-                raise ValueError("taper_length is required when auto_widen=True")
-            taper = gf.get_component(
-                taper,
-                length=taper_length,
-                width1=xs.width,
-                width2=xs.width_wide,
-                cross_section=cross_section,
-                **kwargs,
-            )
-        else:
-            taper = None
-
     port_type = port_type or port1.port_type
     return route_single(
         component=component,
@@ -142,7 +122,6 @@ def route_single_from_steps(
         waypoints=waypoints,
         bend=bend,
         straight=straight,
-        taper=taper,
         cross_section=cross_section,
         port_type=port_type,
         allow_width_mismatch=allow_width_mismatch,
@@ -163,7 +142,7 @@ def route_single_from_steps(
     w = gf.components.straight()
     left = c << w
     right = c << w
-    right.dmove((100, 80))
+    right.dmove((500, 80))
 
     obstacle = gf.components.rectangle(size=(100, 10), port_type=None)
     obstacle1 = c << obstacle

gdsfactory/routing/route_south.py

@@ -9,7 +9,6 @@
 from gdsfactory.component import Component, ComponentReference
 from gdsfactory.components.bend_euler import bend_euler
 from gdsfactory.components.straight import straight as straight_function
-from gdsfactory.components.taper import taper as taper_function
 from gdsfactory.cross_section import strip
 from gdsfactory.port import Port, select_ports_optical
 from gdsfactory.routing.route_single import route_single
@@ -27,7 +26,6 @@ def route_south(
     gc_port_name: str = "o1",
     bend: ComponentSpec = bend_euler,
     straight: ComponentSpec = straight_function,
-    taper: ComponentSpec | None = taper_function,
     select_ports: Callable = select_ports_optical,
     port_names: Strs | None = None,
     cross_section: CrossSectionSpec = strip,
@@ -51,7 +49,6 @@ def route_south(
         gc_port_name: grating coupler port name. Used only if io_gratings_lines is supplied.
         bend: spec.
         straight: spec.
-        taper: spec.
         select_ports: function to select_ports.
         port_names: optional port names. Overrides select_ports.
         cross_section: cross_section spec.
@@ -110,7 +107,6 @@ def route_south(
     conn_params = dict(
         bend=bend,
         straight=straight,
-        taper=taper,
         cross_section=cross_section,
         port_type=port_type,
         allow_width_mismatch=allow_width_mismatch,