|
Two-Photon Absorption for Optical Clock Recovery in OTDM Networks AuthorsReza SalemAmir Ali Ahmadi G. E. Tudury G. M. Carter T. E. Murphy AbstractWe describe here the design and performance of an ultrafast optical clock recovery system based on two-photon absorption in a silicon avalanche photodiode. Unlike many other optical clock recovery techniques, the system is shown to be polarization-insensitive, broadband, low-jitter and scalable to high data rates. Moreover, the system is simple, economical, and suitable for integration with silicon electronics. Successful operation of the system is reported for speeds up to 80 Gb/s and transmission distances up to 840 km using recirculating loop. We introduce a new dithering detection scheme that dramatically improves the dynamic range and decreases polarization- and wavelength-dependence, without introducing additional timing jitter. The system achieves a dynamic range of 10 dB and optical bandwidth exceeding 35 nm.Download/Views
|
Research | People | Publications | Software | Facilities | Gallery | Links | Conferences | Directions | UMD Only |
 |
Please contact us with comments, suggestions, or feedback |