Abstract

A new tunable optical delay scheme based on real-time Fourier transformation and ramp-type phase modulation is proposed and experimentally demonstrated. A linearly chirped fiber Bragg grating is adopted to implement the real-time Fourier transformation, and tunable delay is realized by changing the ramp-type modulating signal’s period. Experimental results agree well with the theory. The signal distorts little after the delay, and a 18ps delay is achieved for a 2-ps-wide optical pulse.

© 2010 Optical Society of America

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References

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2010

2009

2008

2006

2005

2003

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, Phys. Rev. Lett. 90, 113903 (2003).
[CrossRef] [PubMed]

2002

2001

L. M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Nature 414, 413 (2001).
[CrossRef] [PubMed]

M. D. Lukin and A. Imamoğlu, Nature 413, 273 (2001).
[CrossRef] [PubMed]

2000

1999

Alic, N.

Anderson, B. L.

Azana, J.

Bigelow, M. S.

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, Phys. Rev. Lett. 90, 113903 (2003).
[CrossRef] [PubMed]

Boyd, R. W.

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, Phys. Rev. Lett. 90, 113903 (2003).
[CrossRef] [PubMed]

Brennan, J. F.

Carballar, A.

Chang-Hasnain, C.

Chen, H.

Chen, M.

Chen, W.

Chou, P. C.

Cirac, J. I.

L. M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Nature 414, 413 (2001).
[CrossRef] [PubMed]

Dai, Y.

Duan, L. M.

L. M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Nature 414, 413 (2001).
[CrossRef] [PubMed]

Fainman, Y.

Gaeta, A. L.

Haus, H. A.

Imamoglu, A.

M. D. Lukin and A. Imamoğlu, Nature 413, 273 (2001).
[CrossRef] [PubMed]

Jopson, R. M.

Karlsson, M.

Ku, P.

Kuo, B. P. P.

Lepeshkin, N. N.

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, Phys. Rev. Lett. 90, 113903 (2003).
[CrossRef] [PubMed]

Li, J.

Liddle, C. D.

Lipson, M.

Lukin, M. D.

L. M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Nature 414, 413 (2001).
[CrossRef] [PubMed]

M. D. Lukin and A. Imamoğlu, Nature 413, 273 (2001).
[CrossRef] [PubMed]

McKinstrie, C. J.

Moro, S.

Muriel, M. A.

Myslivets, E.

Okawachi, Y.

Panasenko, D.

Pesala, B.

Qiu, C.

Radic, S.

Rokitski, R.

Saperstein, R. E.

Sedgwick, F.

Sharping, J. E.

Tucker, R. S.

Turner-Foster, A. C.

Uskov, A. V.

Xie, S.

Xu, C.

Yang, S.

Yao, S. J. B.

Zoller, P.

L. M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Nature 414, 413 (2001).
[CrossRef] [PubMed]

Appl. Opt.

J. Lightwave Technol.

J. Opt. Soc. Am. B

Nature

L. M. Duan, M. D. Lukin, J. I. Cirac, and P. Zoller, Nature 414, 413 (2001).
[CrossRef] [PubMed]

M. D. Lukin and A. Imamoğlu, Nature 413, 273 (2001).
[CrossRef] [PubMed]

Opt. Express

Opt. Lett.

Phys. Rev. Lett.

M. S. Bigelow, N. N. Lepeshkin, and R. W. Boyd, Phys. Rev. Lett. 90, 113903 (2003).
[CrossRef] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

Principle of the tunable optical delay scheme.

Fig. 2
Fig. 2

Reflection spectrum and group delay of an LCFBG.

Fig. 3
Fig. 3

Experimental setup.

Fig. 4
Fig. 4

Spread optical pulse and a ramp-type electrical modulating signal.

Fig. 5
Fig. 5

Delay time and signal’s distortion D I versus 1 T 0 . T 0 is the period of the electrical ramp-type modulating signal.

Equations (8)

Equations on this page are rendered with MathJax. Learn more.

E de ( t ) = C 1 + E in ( τ ) exp [ j π K ( t τ ) 2 ] d τ = C 1 exp ( j π K t 2 ) + E in ( τ ) exp ( j π K τ 2 ) exp ( 2 π j K t τ ) d τ ,
| t 0 2 K | 1 ,
E de ( t ) = C 1 exp ( j π K t 2 ) + E in ( τ ) exp ( 2 π j K t τ ) d τ = C 1 exp ( j π K t 2 ) { F [ E in ( t ) ] } ω = 2 π t K ,
V L = α t ,
V R = α ( t k T 0 ) , k T 0 t < ( k + 1 ) T 0 , k Z ,
E mo ( t ) = E de ( t ) exp ( j π V R V π ) = E de ( t ) exp ( j π α t V π ) = C 1 exp ( j π K t 2 ) { F [ E in ( t + Δ t ) ] } ω = 2 π t K ,
E out ( t ) = C 2 + E mo ( τ ) exp [ j π K ( t τ ) 2 ] d τ = C exp ( j π K t 2 ) F 1 [ F [ E in ( t + Δ t ) ] ] = C exp ( j π K t 2 ) E in ( t + Δ t ) ,
D I = [ 1 T s 0 T s ( I d ( t + Δ t ) I 0 ( t ) ) 2 d t ] 1 2 ,

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