General Architecture for Converting Digital Electrical Data to Optical Pulses.

Summary of the technology

General architecture for converting digital electrical data to optical pulses.
Keywords: optoelectronics, silicon-photonics, communications, architecture, bus, backplane, photonics, integrated circuits
Project ID : 10-2006-405

Details of the Technology Offer

Generic Architecture for Converting Electrical Data to Optical Pulses


Optoelectronics / Photonics, Optoelectronic Computing & Optical Communication

Development Stage



  • There is a growing demand to process larger volumes of digital data at ever increasing speeds plus exponential growth in performance of the basic microelectronic components
  • Current interconnection network, comprising multilayered complex of parallel electrical conduits, is a major bottle neck
  • Optical communication links provide effective, fast transport for large volumes of digital data over long distances in telecommunication
  • Problem: electronic data is in the form of digital, parallel-electronic words while optical data is organized as a serial string of photonic bits or digital, serial-optic words – need method for cost-effective conversion.

Our Innovation

Fast electronic/optical interconnectivity for processing digital data

ORTA is a generic architecture for converting between digital, parallel-electronic words and digital, serial-optic words incorporating two processes:

  • Conversion between parallel and serial signals by complex multiplexing or de-multiplexing; and
  • Conversion between the electronic and the optic representations of the signals using fast electronic devices and optoelectronic modulators.

Key Features

  • Generic architecture optimized for conversion of digital data back and forth from electrical pulses to photonic pulses
  • Effective for data conversion from electronic circuit to optical fiber and vice versa
  • ORTA operates at the rate of the data processing of the electronic processors without the need for ultrafast optoelectronic transmitters and receivers

Development Milestones

  • Preliminary design of a specific embodiment of the ORTA concept using simulation tools.

Project manager

Matt Zarek

Project researchers

Aharon Agranat
HUJI, School of Computer Science and Engineering
Applied Physics

Related Keywords

  • Electronics, Microelectronics
  • Nanotechnologies related to electronics & microelectronics
  • Micro and Nanotechnology related to Electronics and Microelectronics
  • Some other electronics related
  • Micro & Opto Electronics
  • Optoelectronics / Photonics

About Yissum - Research Development Company of the Hebrew University

Yissum Research Development Company of the Hebrew University of Jerusalem Ltd. Founded in 1964 to protect and commercialize the Hebrew University’s intellectual property. Ranked among the top technology transfer companies, Yissum has registered over 8,900 patents covering 2,500 inventions; has licensed out 800 technologies and has spun-off 90 companies. Products that are based on Hebrew University technologies and were commercialized by Yissum generate today over $2 Billion in annual sales.

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