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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 9 — May. 1, 2006
  • pp: 4087–4091

Prescaled phase-locked loop using phase modulation and spectral filtering and its application to clock extraction from 160-Gbit/s optical-time-division multiplexed signal

Koji Igarashi, Kazuhiro Katoh, and Kazuro Kikuchi  »View Author Affiliations

Optics Express, Vol. 14, Issue 9, pp. 4087-4091 (2006)

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We propose a prescaled phase-locked loop (PLL) using a simple optoelectronic phase comparator based on phase modulation and spectral filtering. Our phase comparator has a high dynamic range of over 9 dB and a high sensitivity comparable to that using an electrical mixer. A PLL composed of our phase comparator enables to extract a low-noise 10-GHz clock from a 160-Gbit/s optical-time-division multiplexed (OTDM) signal.

© 2006 Optical Society of America

OCIS Codes
(230.1150) Optical devices : All-optical devices
(320.7080) Ultrafast optics : Ultrafast devices

ToC Category:
Optical Devices

Original Manuscript: December 19, 2005
Revised Manuscript: January 22, 2006
Manuscript Accepted: January 24, 2006
Published: May 1, 2006

Koji Igarashi, Kazuhiro Katoh, and Kazuro Kikuchi, "Prescaled phase-locked loop using phase modulation and spectral filtering and its application to clock extraction from 160-Gbit/s optical-time-division multiplexed signal," Opt. Express 14, 4087-4091 (2006)

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  1. S. Kawanishi and M. Saruwatari "Ultra-high-speed PLL-type clock recovery circuit based on all-optical gain-modulation in travelling-wave laser diode amplifier," J. Lightwave Technol. 11, 2123-2129 (1993). [CrossRef]
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  5. K. Igarashi, K. Katoh and K. Kikuchi, "Generation of 10-GHz, 2-ps optical pulse train with high extinction ratio and low timing jitter from a continuous wave tunable over the entire C band," 31st European Conference on Optical Communication (ECOC2005), Mo3.4.2, Glasgow, (September 2005).

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