Advantages of polymer waveguide | Sumitomo Bakelite Co., Ltd.

A flexible optical circuit film with low optical propagation loss and low crosstalk that uses our company's original polymer material and unique manufacturing method. Our company processes films to meet customer needs.

Multi-core optical signal

For optical fiber

Optical wiring is bulky. difficult to bend.
There is not enough space for the optical wiring.

[Reference] Wiring pitch 250 μm (Core Φ 50 μm)
* Example of a typical fiber optic bundle

For polymer waveguide (PWG)

The distance between each core can be reduced to 10 μm or less by a unique method.
High-density multi-core optical wiring is possible.

[Reference] Wiring pitch 60 μm (Core width 48 μm)
* Core height and width can be up to 100 μm.
* Please contact us for more details.

Long distance transmission from waveguides ↓

Scalable Fiber Shuffle [Sumitomo Electric]

Branching of optical wiring

For optical fiber

The fusion cost of the optical wiring increases.
Excessive loss occurs in the fusion region.
It is difficult to control the distribution ratio.

For polymer waveguide (PWG)

By forming a branch circuit, optical branching and coupling functions can be added.
By forming fine claddings in the branch region, it is possible to change the distribution ratio without excess loss.

[Reference] Light intensity ratio 1:9, 2:8, 3:7, etc.
* We will design according to your request.