Programmable ultrashort optical pulse delay using an acousto-optic deflector

Ram Piyaket, Susan Hunter, Joseph E. Ford, Sadik Esener

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We present an optical pulse delay (OPD) for delaying ultrashort optical pulses that uses an acousto-optic deflector as an active component. The OPD is designed to correct for chromatic dispersion caused by the significant color spectrum of ultrashort pulses. It is intended to be used as one of the components in a three-dimensional memory system based on pulse-collision addressing in two-photon materials. Calculations show that the OPD should be able to provide 65 arbitrary delays with a random access time of, 1 μs for 100-fs pulses. The power efficiency of the OPD can be as high as 85% and hence permits two units to be cascaded to provide more than 4000 distinct delays. The number of delays and the access time can be optimized such that a fewer number of delays are obtained with a shorter access time, which favors high-speed operations. We provide experimental results that use a Michelson interferometer to measure three different delays, approximately 1 mm apart (equivalent to ∼3-ps time delay), obtained with 130-fs pulses. In addition we include an analysis of the performance of acousto-optic devices for both monochromatic light and ultrashort pulsed lasers. Finally, we provide the design of the optical pulse-delay system for a three-dimensional memory application.

Original languageEnglish (US)
Pages (from-to)1445-1453
Number of pages9
JournalApplied Optics
Volume34
Issue number8
DOIs
StatePublished - 1995
Externally publishedYes

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deflectors
acousto-optics
Laser pulses
Optics
pulses
access time
Data storage equipment
Michelson interferometers
Chromatic dispersion
ultrashort pulsed lasers
Ultrashort pulses
Pulsed lasers
random access
Time delay
Photons
power efficiency
Color
time lag
high speed
color

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Programmable ultrashort optical pulse delay using an acousto-optic deflector. / Piyaket, Ram; Hunter, Susan; Ford, Joseph E.; Esener, Sadik.

In: Applied Optics, Vol. 34, No. 8, 1995, p. 1445-1453.

Research output: Contribution to journalArticle

Piyaket, Ram ; Hunter, Susan ; Ford, Joseph E. ; Esener, Sadik. / Programmable ultrashort optical pulse delay using an acousto-optic deflector. In: Applied Optics. 1995 ; Vol. 34, No. 8. pp. 1445-1453.
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