Highly efficient, ultrafast optical-to-electrical converter and

Details Highly efficient, ultrafast optical-to-electrical converter and Highly efficient, ultrafast optical-to-electrical converter and

1994-07-14

1996-11-05

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

25022711, H01J 4014

Patent

active

055720145

ABSTRACT:
The periodic array of photodiodes are disposed in a passive optical waveguide electrically coupled in series with each other by microwave transmission line. The collective array of photodiodes coupled to the optical waveguide and microwave transmission line results in an increased bandwidth-efficiency product for the photodetector array as compared to any single photodetector within the array. High optical-to-electrical conversion efficiencies near unity are achieved at frequencies as high as several hundred GHz. High efficiencies are achieved by matching the group velocity of the optical waves within the optical waveguide with the group velocity of electrical signals being transmitted in the microwave transmission line by appropriate selection of the capacitance of each of the photodiodes. Power saturation is improved by decreasing the optical density within the active layer of the photodiodes. Optical coupling efficiencies from optical fibers into and from the optical waveguide are further improved by enlarging the optical mode size in the optical waveguide.

REFERENCES:
patent: 5405006 (1995-04-01), Schaffner et al.

Affiliated with

Also associated with

Rating

Highly efficient, ultrafast optical-to-electrical converter and does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Highly efficient, ultrafast optical-to-electrical converter and , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Highly efficient, ultrafast optical-to-electrical converter and will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2016407