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Research Article| July 07 2003

Single-photon routing by time-division phase modulation in a Sagnac interferometer

Chunyuan Zhou;

Chunyuan Zhou

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

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Guang Wu;

Guang Wu

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

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Liang’en Ding;

Liang’en Ding

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

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Heping Zeng

Heping Zeng

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

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Author & Article Information

Chunyuan Zhou

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

Guang Wu

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

Liang’en Ding

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

Heping Zeng

Key Laboratory of Optical and Magnetic Resonance Spectroscopy, and Department of Physics, East China Normal University, Shanghai 200062, People’s Republic of China

Appl. Phys. Lett. 83, 15–17 (2003)

https://doi.org/10.1063/1.1591082

In this letter, we report the experimental demonstration of a single-photon router based on a time-division Sagnac interferometer, wherein differential phase shifts are applied on either the clockwise or counterclockwise quasi-single-photon pulses to determine the single photon interference and consequently output photon routing. High fidelity $(>85%)$ of single-photon routing was demonstrated over a long-distance Sagnac loop. Stable performance was guaranteed by passive compensation of stress and temperature dependent drifts of the fiber-optic path. Experimental data show that time-division single-photon routing can be realized by controlling the applied electric pulses on the integrated phase modulators in the Sagnac loop, which makes this setup suitable for a practical quantum cryptography system.

REFERENCES

1.

T. Spiller, in Introduction to Quantum Computation and Information, edited by H. Lo, S. Popescu, and T. Spiller (World Scientific, Singapore, 1998), pp. 1–28.

2.

C. Bennett and G. Brassard, International Conference on Computers, Systems & Signal Processing, Bangalore, India, 10–12 December 1984, p. 175.

3.

H.

Zbinden

,

J.

Gautier

,

N.

Gisin

,

B.

Huttner

,

A.

Muller

, and

W.

Tittel

,

Electron. Lett.

33

,

586

(

1997

).

4.

G.

Ribordy

,

J.

Gautier

,

N.

Gisin

,

O.

Guinnard

, and

H.

Zbinden

,

Electron. Lett.

34

,

2216

(

1998

).

5.

M.

Bourennane

,

F.

Gibson

,

A.

Karlsson

,

A.

Hening

,

P.

Jonsson

,

T.

Tsegaye

,

D.

Ljunggren

, and

E.

Sundberg

,

Opt. Express

4

,

383

(

1999

).

6.

D.

Bethune

and

W.

Risk

,

IEEE J. Quantum Electron.

36

,

340

(

2000

).

7.

P. C.

Sun

,

Y.

Mazurenko

, and

Y.

Fainman

,

Opt. Lett.

20

,

1062

(

1995

).

8.

J.

Merolla

,

Y.

Mazurenko

,

J.

Goedgebuer

,

H.

Porte

, and

W. T.

Rhodes

,

Opt. Lett.

24

,

104

(

1999

).

9.

C.

Bennett

,

Phys. Rev. Lett.

68

,

3121

(

1992

).

10.

P.

Townsend

,

J.

Rarity

, and

P.

Tapster

,

Electron. Lett.

29

,

634

(

1993

).

11.

K.

Inoue

,

E.

Waks

, and

Y.

Yamamoto

,

Phys. Rev. Lett.

89

,

037902

(

2002

).

12.

M.

Martinelli

,

Opt. Commun.

72

,

341

(

1989

).

13.

A.

Muller

,

T.

Herzog

,

B.

Huttner

,

W.

Tittel

,

H.

Zbinden

, and

N.

Gisin

,

Appl. Phys. Lett.

70

,

793

(

1997

).

14.

R.

Bergh

,

Proc. SPIE

1795

,

126

(

1992

).

15.

T.

Pittman

and

J.

Franson

,

Phys. Rev. A

66

,

062302

(

2002

).

16.

L. Mandel and E. Wolf, in Optical Coherence and Quantum Optics (Cambridge University Press, Cambridge, England, 1995), pp. 639–646.

17.

N.

Gisin

,

G.

Ribordy

,

W.

Tittel

,

H.

Zbinden

, Eprint: arXi quant-ph/0101098, 12 (2001).

18.

R.

Brown

,

K.

Ridley

, and

J.

Rarity

,

Appl. Opt.

25

,

4122

(

1986

).

19.

S.

Cova

,

M.

Ghioni

,

A.

Lacaita

,

C.

Samori

, and

F.

Zappa

,

Appl. Opt.

35

,

1956

(

1996

).

20.

R.

Brown

,

R.

Jones

,

J.

Rarity

, and

K.

Ridley

,

Appl. Opt.

26

,

2383

(

1987

).

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© 2003 American Institute of Physics.

2003

American Institute of Physics

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