Universitat Politècnica de Catalunya - UPC

Flexible device to increase bandwidth in bidirectional optical link

Posted by Universitat Politècnica de Catalunya - UPCResponsive · Patents for licensing · Spain

Summary of the technology

A new method for increasing the bandwidth in bidirectional optical links and passive optical networks has been developed and patented. This method uses a flexible simple, integrated and wavelength-agnostic semiconductor device to achieve re-modulation of the incident seed light with simultaneous phase and intensity modulation. Partners to further develop the system and/or to establish commercial agreements along with technical cooperation are sought.

Universitat Politècnica de Catalunya - UPC

The Challenge

is to provide a higher transmission bandwidth at the same clock rate, for avoiding extra heating and power consumption. In the same way as new computers are nowadays challenged to provide higher computation capacity at the same clock rate also for avoiding excessive CPU heating.

The Technology


The new developed technology takes advance of commercial devices and provides a new method for multiplying the bandwidth provided to the home-user by simultaneous modulation of the phase and intensity of the transmitted light.
Moreover, as the commercial device is wavelength-agnostic, this enhance of the optical bandwidth can be provided at any channel of the WDM-PON to be decided by the operator of the network, providing an important flexibility.

Current stage of development


Prototype and validity test passed. Experimental results published at: Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011, paper OThK1, Los Angeles, California, USA.

Applications and Target Market


Broadband Telecom System Vendors Manufacturers of lasers and active semiconductors optical devices.
Broadband Optical Communications networks: access, metropolitan, transport.
Fiber-to-the-Home networks Next Generation - Passive Optical Networks (NG-PON) Optical signal processing

Innovative advantages


Increased bandwidth provided at the same clock rate.
Using commercially available semiconductor devices Not higher speed electronics are required Flexible wavelength of operation Adapted to WDM-PON and TDM-PON 2x, 4x,… 16x 10 GBit/s at 10GHz electronics

Intellectual property status

Granted Patent
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Technology available for licensing with technical cooperation Patent Status Priority application

Technology Owner

Universitat Politècnica de Catalunya - UPC

Technology Transfer Office

Related keywords

  • Electronics, IT and Telecomms
  • Broadband Technologies
  • Telecommunications, Networking
  • Semiconductors Technology
  • Optics
  • Optical Materials
  • Signal Processing
  • Laser Related
  • Electronics Related Market
  • Communications
  • Commercial Communications
  • Telephone Related
  • Facsimile Transmission
  • Data Communications
  • Satellite Microwave Communications
  • Other Communications Related
  • Fibre Optics

About Universitat Politècnica de Catalunya - UPC

Technology Transfer Office from Spain

The Universitat Politècnica de Catalunya - BarcelonaTech is a public institution dedicated to higher education and research in the fields of engineering, architecture and science, which contributes its knowledge and expertise in order to increase scientific output, transfer its results to society and provide a network of scientific and technical state-of-the-art facilities and technology valorization services that place us at the leading edge of innovation and economic development.

The UPC has established itself as a driver of innovation and is the technology partner of choice for companies and organizations with which it develops projects and builds partnerships. A role borne out by the numerous agreements and research projects that have been set in motion by groups, organizations and laboratories; the creation of new technology-based companies; the generation and exploitation of patents, and the scientific and technical services UPC makes available to its environment in order to generate progress and employment.

The Technology Transfer Office (SGI) is responsible of Designing, coordinating and implementing research valorisation strategies, carrying out the protection policy of the research results, marketing these results through license contracts and designing and setting up the University's enterprise creation model in order to transfer the results of the research to the market, protect and commercialize these results, promote the culture of entrepreneurship and innovation, and create technology-based companies within the UPC environment.

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