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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 20 — Oct. 15, 2009
  • pp: 3065–3067

Ultrasensitive direct-field retrieval of femtosecond pulses by modified interferometric field autocorrelation

Shang-Da Yang, Chen-Shao Hsu, Shih-Lun Lin, You-Sheng Lin, Carsten Langrock, and M. M. Fejer  »View Author Affiliations


Optics Letters, Vol. 34, Issue 20, pp. 3065-3067 (2009)
http://dx.doi.org/10.1364/OL.34.003065


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Abstract

We report on spectral phase retrieval of 50 MHz, 374 fs optical pulses at 1560 nm with 28 aJ coupled pulse energy by measuring two modified interferometric field autocorrelation traces using a 5 - cm -long periodically poled lithium niobate waveguide. The corresponding sensitivity is 1.1 × 10 7 mW 2 , improving on the previous record by about 20 times. The same data traces can also be used to retrieve the power spectrum, given that the ratio of powers at two specific wavelengths is known.

© 2009 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Ultrafast Optics

History
Original Manuscript: June 1, 2009
Revised Manuscript: September 3, 2009
Manuscript Accepted: September 11, 2009
Published: October 5, 2009

Citation
Shang-Da Yang, Chen-Shao Hsu, Shih-Lun Lin, You-Sheng Lin, Carsten Langrock, and M. M. Fejer, "Ultrasensitive direct-field retrieval of femtosecond pulses by modified interferometric field autocorrelation," Opt. Lett. 34, 3065-3067 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3065


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