Ultra-fast all-optical switching in optical networks

Glesk, Ivan; Wang, Bing C.; Xu, Lei; Baby, V.; Prucnal, Paul R.

doi:10.1016/s0079-6638(03)80004-5

Cited by 12 publications

(8 citation statements)

References 85 publications

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“…(1)] is a sinusoidal function delineated by the transmission caused by the average absorption coefficient, while the total intensity signal [Eq. (2)] is the average transmission of the two circular polarizations. In typical polarimetry experiments, a measurement of the rotation angle is achieved by normalization of the difference in the two channels by the sum.…”

Section: Measurement Of the Polarization Rotationmentioning

confidence: 99%

“…The ability to manipulate optical pulses is central to the advancement of information and communications technology [1]. All-optical switching [2] has the advantage that the optical information can be processed without conversion to an electrical signal. An all-optical switch is produced by using an optical control field to modify the refractive index or the absorption of the medium, i.e., the real or the imaginary part of the electrical susceptibility, χ R and χ I .…”

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confidence: 99%

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Optical control of Faraday rotation in hot Rb vapor

2010

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The full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. We demonstrate controlled polarization rotation of an optical field conditional on the presence of a second field. Induced rotations of greater than π/2 rad are seen with a transmission of 95%, corresponding to a ratio of phase shift to absorption of 40π . This combination of large, controlled rotation and low loss is well suited for the manipulation of light pulses.

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Section: Measurement Of the Polarization Rotationmentioning

confidence: 99%

mentioning

confidence: 99%

Optical control of Faraday rotation in hot Rb vapor

2010

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“…Since its invention, the TOAD has been a primary building block of several others all-optical data processing devices. Apart from ultra fast all-optical demultiplexing, the implementation of Boolean expressions such as all-optical AND, NOT, XOR, binary counter, binary adders, parity checkers, and regenerative memory have been successfully demonstrated [8][9][10][11][12][13][14][15][16][17][18][19][20] using this device. …”

Section: Optical Versus All-opticalmentioning

confidence: 99%

Approaches to ultrafast all-optical signal processing

Glesk

2009

SPIE Proceedings

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Rapidly growing demands triggered unparallel needs for fast-reliable- reconfigurable, and secure networks. Current solutions are govern by the reappearance of electronic bottleneck which imposes many limitations. To fulfil these demands will require low cost, high speed, high granularity access networks which can not be built using merely current technology and approaches to the data and signal processing. It is believed ultrafast all-optical signal processing may offer some alternatives by supplementing the lack of high-speed electronics. In this paper, we will review some advanced previously demonstrated all-optical techniques which may help to address the electronic bottleneck which is the major limiting factor in communication networks today

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“…These switches are generally based on the nonlinear interaction between optical waves in a variety of materials e.g. fiber, semiconductors, LiNbO 3 [30].…”

Section: All-optical Switchesmentioning

confidence: 99%

Ultrafast technologies for photonic networks

Prucnal

Baby

et al. 2004

SPIE Proceedings

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Considerable progress has been in the last decade in the fields of photonic networks and ultra-fast optics. The past few years has seen the widespread use of wavelength division multiplexing (WDM) to provide enormous point-to-point capacity in the backbone and metro area networks. Remarkable progress in electronics, in terms of both costs and performance speeds, has to some extent alleviated the 'electronic bottleneck'. Developments in fiber-optics such as novel fiber types and Raman amplification have opened up additional wavelength regions of operation resulting in great expansion of usable fiber bandwidth. There exist unique opportunities for ultrafast technologies - a subject of much interest in the last decade and reaching a point of maturity - to complement these advances and spark the next generation networks. In our talk, we will mention two networking environments very different from WDM - (1) optical time division multiplexing (OTDM) and (2) optical code division multiple access (OCDMA). We will look at the potential of both these scenarios for different applications, focusing in particular on the latter as an approach that provides maximum flexibility to utilize the immense bandwidth of the optical fiber. We will also describe various ultra-fast technologies that have been developed e.g. .high repetition rate pulsed lasers, ultra-fast optical switches, time delay elements etc. which have a direct relevance to both these types of networks

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Ultra-fast all-optical switching in optical networks

Cited by 12 publications

References 85 publications

Optical control of Faraday rotation in hot Rb vapor

Optical control of Faraday rotation in hot Rb vapor

Approaches to ultrafast all-optical signal processing

Ultrafast technologies for photonic networks

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