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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 8 — Apr. 15, 2010
  • pp: 1191–1193

High-order passive photonic temporal integrators

Mohammad H. Asghari, Chao Wang, Jianping Yao, and José Azaña  »View Author Affiliations


Optics Letters, Vol. 35, Issue 8, pp. 1191-1193 (2010)
http://dx.doi.org/10.1364/OL.35.001191


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Abstract

We experimentally demonstrate, for the first time to our knowledge, an ultrafast photonic high-order (second-order) complex-field temporal integrator. The demonstrated device uses a single apodized uniform-period fiber Bragg grating (FBG), and it is based on a general FBG design approach for implementing optimized arbitrary-order photonic passive temporal integrators. Using this same design approach, we also fabricate and test a first-order passive temporal integrator offering an energetic-efficiency improvement of more than 1 order of magnitude as compared with previously reported passive first-order temporal integrators. Accurate and efficient first- and second-order temporal integrations of ultrafast complex-field optical signals (with temporal features as fast as 2.5 ps ) are successfully demonstrated using the fabricated FBG devices.

© 2010 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(120.2440) Instrumentation, measurement, and metrology : Filters
(320.5540) Ultrafast optics : Pulse shaping
(070.7145) Fourier optics and signal processing : Ultrafast processing

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: November 18, 2009
Revised Manuscript: March 4, 2010
Manuscript Accepted: March 8, 2010
Published: April 13, 2010

Citation
Mohammad�H. Asghari, Chao Wang, Jianping Yao, and José Azaña, "High-order passive photonic temporal integrators," Opt. Lett. 35, 1191-1193 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-8-1191

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