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Straight

straight

Provides straight waveguides in dbu and um versions.

A waveguide is a rectangle of material with excludes and/or slab around it::

┌─────────────────────────────┐
│        Slab/Exclude         │
├─────────────────────────────┤
│                             │
│            Core             │
│                             │
├─────────────────────────────┤
│        Slab/Exclude         │
└─────────────────────────────┘

The slabs and excludes can be given in the form of an Enclosure.

straight 

straight(
    width: um,
    length: um,
    layer: LayerInfo,
    enclosure: LayerEnclosure | None = None,
) -> KCell

Straight waveguide in um.

Visualization::

┌─────────────────────────────┐
│        Slab/Exclude         │
├─────────────────────────────┤
│                             │
│            Core             │
│                             │
├─────────────────────────────┤
│        Slab/Exclude         │
└─────────────────────────────┘

Parameters:

Name Type Description Default
width um

Width of the straight. [um]

 required
length um

Length of the straight. [um]

 required
layer LayerInfo

Main layer of the straight.

 required
enclosure LayerEnclosure | None

Definition of slabs/excludes. [um]

 None
Source code in kfactory/cells/straight.py 
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def straight(
    width: um,
    length: um,
    layer: kdb.LayerInfo,
    enclosure: LayerEnclosure | None = None,
) -> KCell:
    """Straight waveguide in um.

    Visualization::

        ┌─────────────────────────────┐
        │        Slab/Exclude         │
        ├─────────────────────────────┤
        │                             │
        │            Core             │
        │                             │
        ├─────────────────────────────┤
        │        Slab/Exclude         │
        └─────────────────────────────┘

    Args:
        width: Width of the straight. [um]
        length: Length of the straight. [um]
        layer: Main layer of the straight.
        enclosure: Definition of slabs/excludes. [um]
    """
    return straight_dbu(
        width=demo.to_dbu(width),
        length=demo.to_dbu(length),
        layer=layer,
        enclosure=enclosure,
    )