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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 20 — Oct. 15, 2006
  • pp: 2987–2989

Ultrafast laser waveguide writing: lithium niobate and the role of circular polarization and picosecond pulse width

Amir H. Nejadmalayeri and Peter R. Herman  »View Author Affiliations


Optics Letters, Vol. 31, Issue 20, pp. 2987-2989 (2006)
http://dx.doi.org/10.1364/OL.31.002987


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Abstract

For the first time to our knowledge, ultrafast laser writing has generated room-temperature stable guided-wave optics in bulk lithium niobate for the telecommunication spectrum. Among a seven-dimensional parameter space for waveguide optimization, two frequently overlooked parameters, pulse duration and polarization, were found to be key in overcoming undesired nonlinear optical responses imposed by this material. Single-mode waveguides were best formed with circularly polarized light having a relatively long pulse duration of ∼1.0 ps. The waveguides were highly polarization dependent and guided in both telecommunication bands near 1300 and 1550 nm, exhibiting losses as low as 0.7 dB/cm.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.3130) Integrated optics : Integrated optics materials
(140.3390) Lasers and laser optics : Laser materials processing
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.7370) Optical devices : Waveguides
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Integrated Optics

History
Original Manuscript: July 19, 2006
Manuscript Accepted: August 2, 2006
Published: September 25, 2006

Citation
Amir H. Nejadmalayeri and Peter R. Herman, "Ultrafast laser waveguide writing: lithium niobate and the role of circular polarization and picosecond pulse width," Opt. Lett. 31, 2987-2989 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-20-2987

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