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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 1 — Jan. 1, 2014
  • pp: 56–59

Gigahertz repetition rate, sub-femtosecond timing jitter optical pulse train directly generated from a mode-locked Yb:KYW laser

Heewon Yang, Hyoji Kim, Junho Shin, Chur Kim, Sun Young Choi, Guang-Hoon Kim, Fabian Rotermund, and Jungwon Kim  »View Author Affiliations


Optics Letters, Vol. 39, Issue 1, pp. 56-59 (2014)
http://dx.doi.org/10.1364/OL.39.000056


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Abstract

We show that a 1.13 GHz repetition rate optical pulse train with 0.70 fs high-frequency timing jitter (integration bandwidth of 17.5 kHz–10 MHz, where the measurement instrument-limited noise floor contributes 0.41 fs in 10 MHz bandwidth) can be directly generated from a free-running, single-mode diode-pumped Yb:KYW laser mode-locked by single-wall carbon nanotube-coated mirrors. To our knowledge, this is the lowest-timing-jitter optical pulse train with gigahertz repetition rate ever measured. If this pulse train is used for direct sampling of 565 MHz signals (Nyquist frequency of the pulse train), the jitter level demonstrated would correspond to the projected effective-number-of-bit of 17.8, which is much higher than the thermal noise limit of 50 Ω load resistance (14bits).

© 2013 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(270.2500) Quantum optics : Fluctuations, relaxations, and noise
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 14, 2013
Manuscript Accepted: November 18, 2013
Published: December 19, 2013

Citation
Heewon Yang, Hyoji Kim, Junho Shin, Chur Kim, Sun Young Choi, Guang-Hoon Kim, Fabian Rotermund, and Jungwon Kim, "Gigahertz repetition rate, sub-femtosecond timing jitter optical pulse train directly generated from a mode-locked Yb:KYW laser," Opt. Lett. 39, 56-59 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-1-56

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