Abstract

We demonstrate a novel, self-starting optoelectronic oscillator based on an electro-absorption modulator in a fiber-extended cavity for generating an optical pulse stream with high-rate and ultra-low jitter capabilities. Optical pulses at 10GHz repetition rate are demonstrated with >90dBc/Hz side-mode suppression and the lowest timing jitter (42fs in the 100Hz–1MHz range) reported to date for a self-starting source. Along with the optical pulse stream, the oscillator also generates a 10GHz electrical signal with ultra-low phase noise.

© 2003 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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App. Phys. B

D. von der Linde, ???Characterization of the noise in continuously operating mode-locked lasers,??? App. Phys. B 39, 201-217 (1986).
[CrossRef]

Appl. Phys. Lett.

A. J. Taylor, J. M. Wiesenfeld, G. Eisenstein, and R. S. Tucker, ???Timing jitter in mode-locked and gainswitched InGaAsP injection lasers,??? Appl. Phys. Lett. 49, 681-683 (1986).
[CrossRef]

Electron. Lett.

T. R. Clark, T. F. Carruthers, P. J. Matthews, and I. N. Dulling III, ???Phase noise measurements of ultrastable 10GHz harmonically modelocked fibre laser,??? Electron. Lett. 35, 720-721 (1999).
[CrossRef]

W. Ng, R. Stephens, D. Persechini, and K. V. Reddy, ???Ultra-low jitter modelocking of Er-fibre laser at 10 GHz and its application in photonic sampling for analogue-to-digital conversion,??? Electron. Lett. 37, 113-114 (2001).
[CrossRef]

Y. Ji, X.S. Yao, and L. Maleki, ???Compact optoelectronic oscillator with ultra-low phase noise performance,??? Electron. Lett. 35, 1554-1555 (1999).
[CrossRef]

A. Takada and H. Miazawa, ???30 GHz picosecond pulse generation from actively mode-locked erbium-doped fiber laser,??? Electron. Lett. 26, 216-217 (1990).
[CrossRef]

K. Sato, I. Kotaka, A. Hirano, M. Asobe, Y. Miamoto, N. Shimizu, and K. Hagimoto, ???High-repetition frequency pulse generation at 102 GHz using mode-locked lasers integrated with electroabsorption modulators???, Electron. Lett. 34, 790-792 (1998).
[CrossRef]

IEEE J. Lightwave Technol.

M. Suzuki, H. Tanaka, N. Edagawa, K. Utaka, and Y. Matsushima, ???Transform-limited optical pulse generation up to 20-GHz repetition rate by sinusoidally driven InGaAsP electroabsorption modulator,??? IEEE J. Lightwave Technol. 11, 468-473 (1993).
[CrossRef]

X.S. Yao, L. Davis, L. Maleki, ???Coupled Optoelectronic Oscillators for Generating Both RF Signal and Optical Pulses,??? IEEE J. Lightwave Technol. 18, 73-78 (2000).
[CrossRef]

IEEE Photon. Technol. Lett.

J. Lasri, A. Bilenca, D. Dahan, V. Sidorov, G. Eisenstein, D. Ritter, and K. Yvind, ???A self-starting hybrid optoelectronic oscillator generating ultra low jitter 10-GHz optical pulses and low phase noise electrical signals,??? IEEE Photon. Technol. Lett. 14, 1004-1006 (2002).
[CrossRef]

Opt. Lett.

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Figures (4)

Fig. 1.
Fig. 1.

A schematic of the EAM-based OEO. Inset: Measured EAM transmittance.

Fig. 2.
Fig. 2.

(a) Time domain measurement of the optical pulses with a 45GHz bandwidth photodetector. (b) Optical spectrum with 0.01nm resolution.

Fig. 3.
Fig. 3.

SSB phase-noise spectrum of the EAM-based OEO using 3km-long fiber in the cavity.

Fig. 4.
Fig. 4.

Measured timing jitter as a function of the cavity length.

Equations (1)

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σ J = 1 2 π f R 2 f min f max L ( f ) d f ,

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