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Router fotónico ultracompacto reconfigurable

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20170313004
Publicado:
23/03/2017
Caducidad:
23/03/2018
Resumen:
Una universidad española ha desarrollado un router ultracompacto reconfigurable que se emplea en circuitos fotónicos esenciales en comunicación óptica. Este dispositivo puede utilizarse como bloque fundamental en combinación con otros dispositivos para constituir circuitos fotónicos que realicen funcionalidades más complejas. Sus principales ventajas son las siguientes: mejores tolerancias de fabricación, dispositivos resultantes muy eficientes y rápidos con frecuencias de operación en el rango de unos pocos GHz y extremadamente sencillos debido al uso de ondas acústicas superficiales, y eliminación de las guías de ondas de la parte modulada del dispositivo que minimiza cualquier imperfección que se podría introducir en la fabricación. La universidad busca fabricantes de circuitos fotónicos con el fin de establecer acuerdos de licencia.

Details

Tittle:
Ultra-compact reconfigurable photonic router
Summary:
A Spanish university has developed a novel ultra-compact reconfigurable photonic router than can be used in photonic circuits essential in optical communication. The device can be used as building block in combination with other devices to constitute photonic circuits that perform more complex functionalities. Researchers are looking for photonic circuits manufacturers to reach license agreements.
Description:
Multi-Mode Interference (MMI) couplers are optical components widely used in the design of current photonic integrated circuits due to their robustness and small size. The operation of such couplers is based on the self-imaging properties of multi-mode waveguides. The transmission at each of the output ports of the MMI couplers can be modified by introducing additional phase differences in the multiple images formed at a given output plane. To do this, the MMI coupler is divided by said plane into two shorter couplers which are linked by an array of single-mode waveguides in which the phase differences are introduced. These phases can be introduced by various techniques, such as the inducement of temperature differences, or the application of electrical currents or high intensity optical beams. Due to the limited resolution of current lithographic techniques, a degradation of the response due to imperfections introduced during the device fabrication can be expected. From this viewpoint, it is desirable to remove these waveguides to achieve more robust devices. However, the implementation of the afore-mentioned modulation techniques in these devices presents great difficulties. It is therefore necessary to provide to the state of the art methods to design and manufacture devices, considering the small size of the photonic integrated circuits.

Researchers from a Spanish university have developed a novel ultra- compact reconfigurable photonic router consisting of an acoustically modulated multi-mode interference (MMI) coupler driven by a single interdigital transducer (IDT). By modulating inside the MMI coupler, the optical signal launched at a certain input waveguide oscillates between two of the output waveguides at the frequency of the surface acoustic wave. Because the invention is based on a single coupler MMI, it allows the design of very compact photonic modulators which are more tolerant to the manufacturing process.

The device can be used as building block in combination with other devices to constitute photonic circuits that perform more complex functionalities, such as modulation or routing, that are essential in nowadays optical communication.

Researchers are looking for manufacturing companies interested in licensing the technology.
Advantages and Innovations:
The main advantages provided by the invention are:

· Better manufacturing tolerances. Simplified operation of the device due to the use of a single surface acoustic wave generated by an IDT, so that the final product is "plug and play".

· The resulting devices are very efficient and quick, with operating frequencies in the range of a few GHz, and extremely simple due to the use of a single surface acoustic wave.

· The elimination of the waveguides of the modulated part of the device minimizes any imperfections that could be introduced in the manufacture. In this way, the performance of the device is improved, allowing also the design of more compact devices.
Stage of Development:
Under development/lab tested
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
Spanish patent application and PCT application

Partner sought

Type and Role of Partner Sought:
- Type of partner sought: Companies
- Specific area of activity of the partner: Router manufacturers
- Task to be performed: license agreement for manufacturing the router

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
English
Spanish

Keywords

Technology Keywords:
01003013 Information Technology/Informatics
01003014 Internet Technologies/Communication (Wireless, Bluetooth)