All-optical NRZ-to-PRZ format transformer with an injection-locked Fabry-Perot laser diode at unlasing condition
Optics Express, Vol. 12, Issue 19, pp. 4449-4456 (2004)
http://dx.doi.org/10.1364/OPEX.12.004449
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Abstract
By using an optical nonreturn-to-zero (NRZ) format data-stream to injection-lock an synchronously modulated Fabry-Perot laser diode at below threshold condition (without DC driving current), an output data-stream with pseudo-return-to-zero (PRZ) format can be generated at bit rate of up to 2.488 Gbit/s. Such an NRZ-to-PRZ format transformation is due to the injection-locking induced gain-switching of the FPLD with the incoming NRZ data. The PRZ data-stream with a maximum on/off extinction ratio of 12.2 dB is obtained under the optical injecting power of -2 dBm and the RF driving power of 24.4 dBm. The best side-mode suppression ratio of 40 dB and the lowest timing jitter of 0.4 ps for the PRZ data-stream are observed. A power penalty of 1.2 dB is measured at a bit-error rate of 10-9 after NRZ-to-PRZ transformation. In application, the demonstration of an all-optical OR logic gate using the FPLD-based NRZ-to-PRZ transformer is also reported.
© 2004 Optical Society of America
OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(140.2020) Lasers and laser optics : Diode lasers
(200.3760) Optics in computing : Logic-based optical processing
(200.4560) Optics in computing : Optical data processing
ToC Category:
Research Papers
History
Original Manuscript: July 30, 2004
Revised Manuscript: September 6, 2004
Published: September 20, 2004
Citation
Yung-Cheng Chang, Yu-Huang Lin, J. Chen, and Gong-Ru Lin, "All-optical NRZ-to-PRZ format transformer with an injection-locked Fabry-Perot laser diode at unlasing condition," Opt. Express 12, 4449-4456 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-19-4449
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