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Volume : II, Issue : II, March - 2012 Similariton Compression in a Comb like Dispersion Decreasing Fibre R.P. Sharma AND Tenguri. Doddabasavaraja Published By : Laxmi Book Publication Abstract : Optical pulse compression using similariton propagation in an optical fibre with decreasing
dispersion has been demonstrated for the first time. This compression scheme is a practical application of
the sech-similariton solution to the generalized nonlinear Schrodinger equation (NLSE) with distributed
coefficients recently found using the self-similarity technique. The sech-similariton solution exhibits a
characteristic positive linear frequency chirp, which increases in slope as the pulse compresses. The solution
does not develop any side pedestals or deformation in pulse shape as it propagates, making it a promising
candidate for a new compression technique. Unlike the adiabatic compression technique, rapid compression
can be achieved in a fibre with a specifically designed decreasing group velocity dispersion profile since the
sech-similariton is an exact solution to the NLSE. Keywords : Article : Cite This Article : R.P. Sharma AND Tenguri. Doddabasavaraja, (2012). Similariton Compression in a Comb like Dispersion Decreasing Fibre. Indian Streams Research Journal, Vol. II, Issue. II, http://oldisrj.lbp.world/UploadedData/817.pdf References : - Bogatyrev, VA, et al (1991): A Single-Mode Fiber with chromatic dispersion varying along the length. Journal of Lightwave Technology.Vol. 9. No.5. P. 561.
- Chernikov, SV, et al (1994): Experimental demonstration of step-like dispersion profiling in optical fibre for soliton pulse generation and compression. Electronics Letters, Vol. 30 No. 5 P. 433.
- Chernikov, SV, et al (1994B): Comblike dispersion-profiled fiber for soliton pulse train generation. Optics Letters, Vol. 19. No. 8. P. 539.
- Igarashi, K, et al (2005): Comb-like profiled fibre for efficient generation of high quality 160 GHz sub-picosecond soliton train. Electronics Letters, Vol. 41. No. 12.
- Sung Hoon Im (2009): Similariton Compression in a Comb like Dispersion Decreasing Fibre. PhD Thesis, University of Auckland, 2009.
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