Title :
40-Gb/s optical clock recovery using an injection-locked optoelectronic oscillator
Author :
Tsuchida, Hidemi ; Suzuki, Maoki
Author_Institution :
Photonics Res. Inst., Nat. Inst. of Adv. Ind. Sci. & Technol., Tsukuba, Japan
Abstract :
A 40-Gb/s optical clock recovery is demonstrated using an injection-locked optoelectronic oscillator (OEO). Injection locking is achieved by directly coupling a return-to-zero optical data stream to a photodiode in the OEO. This scheme is advantageous in its simple configuration, wavelength-independent operation, and wide locking range. The pulsewidth and root-mean-square jitter of the recovered clock are 9.8 ps and 283 fs (10 Hz-18.6 MHz), respectively. Furthermore, subharmonic clock recovery from a 160-Gb/s optical time-division-multiplexed data stream is achieved using the same configuration.
Keywords :
injection locked oscillators; integrated optoelectronics; optical modulation; synchronisation; time division multiplexing; timing jitter; 10 Hz; 160 Gbit/s; 18.6 MHz; 283 fs; 40 Gbit/s; 9.8 ps; injection-locked optoelectronic oscillator; optical clock recovery; optical time-division-multiplexed data stream; photodiode; return-to-zero optical data stream; root-mean-square jitter; Band pass filters; Clocks; Injection-locked oscillators; Nonlinear optics; Optical feedback; Optical filters; Optical modulation; Optical sensors; Optical signal processing; Timing jitter; Clock synchronization; injection-locked oscillators; optical signal processing; time-division multiplexing; timing jitter;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.836910
