Abstract

A new method of optical short-pulse generation using stable diode lasers with negative optoelectronic feedback is proposed. Optical pulses with repetition rates of several gigahertz can be generated with a calculated pulse width of the order of a picosecond, and the required gain–bandwidth product of the feedback network is a few tens of gigahertz. This method does not require any external modulation signal, and it is not susceptible to critical optical alignment.

© 1988 Optical Society of America

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References

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  1. J. P. Van der Ziel, in Semiconductors and Semimetals, W. T. Tsang, ed. (Academic, Orlando, Fla., 1985), Vol. 22, Part B.
  2. H. Inaba, in Optical Devices and Fibers, Y. Suematsu, ed. (North-Holland, Amsterdam, 1982).
  3. K. A. Lau, A. Yariv, Appl. Phys. Lett. 45, 124 (1984).
    [CrossRef]
  4. Y. Z. Gao, H. S. Zeng, X. R. Qin, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1987), paper TuK41.
  5. T. C. Damen, M. A. Duguay, Electron. Lett. 16, 166 (1980).
    [CrossRef]
  6. C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P74 (1987).
  7. H. Kressel, J. K. Butler, Semiconductor Lasers and Heterojunction LEDs (Academic, New York, 1977).
  8. C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P45 (1987).
  9. C.-H. Lee, T.-H. Yoon, S.-Y. Shin, Appl. Phys. Lett. 46, 95 (1985).
    [CrossRef]

1987 (2)

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P74 (1987).

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P45 (1987).

1985 (1)

C.-H. Lee, T.-H. Yoon, S.-Y. Shin, Appl. Phys. Lett. 46, 95 (1985).
[CrossRef]

1984 (1)

K. A. Lau, A. Yariv, Appl. Phys. Lett. 45, 124 (1984).
[CrossRef]

1980 (1)

T. C. Damen, M. A. Duguay, Electron. Lett. 16, 166 (1980).
[CrossRef]

Butler, J. K.

H. Kressel, J. K. Butler, Semiconductor Lasers and Heterojunction LEDs (Academic, New York, 1977).

Cho, K.-H.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P45 (1987).

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P74 (1987).

Damen, T. C.

T. C. Damen, M. A. Duguay, Electron. Lett. 16, 166 (1980).
[CrossRef]

Duguay, M. A.

T. C. Damen, M. A. Duguay, Electron. Lett. 16, 166 (1980).
[CrossRef]

Gao, Y. Z.

Y. Z. Gao, H. S. Zeng, X. R. Qin, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1987), paper TuK41.

Inaba, H.

H. Inaba, in Optical Devices and Fibers, Y. Suematsu, ed. (North-Holland, Amsterdam, 1982).

Kressel, H.

H. Kressel, J. K. Butler, Semiconductor Lasers and Heterojunction LEDs (Academic, New York, 1977).

Lau, K. A.

K. A. Lau, A. Yariv, Appl. Phys. Lett. 45, 124 (1984).
[CrossRef]

Lee, C.-H.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P74 (1987).

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P45 (1987).

C.-H. Lee, T.-H. Yoon, S.-Y. Shin, Appl. Phys. Lett. 46, 95 (1985).
[CrossRef]

Lee, S.-Y.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P45 (1987).

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P74 (1987).

Qin, X. R.

Y. Z. Gao, H. S. Zeng, X. R. Qin, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1987), paper TuK41.

Shin, S.-Y.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P74 (1987).

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P45 (1987).

C.-H. Lee, T.-H. Yoon, S.-Y. Shin, Appl. Phys. Lett. 46, 95 (1985).
[CrossRef]

Van der Ziel, J. P.

J. P. Van der Ziel, in Semiconductors and Semimetals, W. T. Tsang, ed. (Academic, Orlando, Fla., 1985), Vol. 22, Part B.

Yariv, A.

K. A. Lau, A. Yariv, Appl. Phys. Lett. 45, 124 (1984).
[CrossRef]

Yoon, T.-H.

C.-H. Lee, T.-H. Yoon, S.-Y. Shin, Appl. Phys. Lett. 46, 95 (1985).
[CrossRef]

Zeng, H. S.

Y. Z. Gao, H. S. Zeng, X. R. Qin, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1987), paper TuK41.

Appl. Phys. Lett. (2)

K. A. Lau, A. Yariv, Appl. Phys. Lett. 45, 124 (1984).
[CrossRef]

C.-H. Lee, T.-H. Yoon, S.-Y. Shin, Appl. Phys. Lett. 46, 95 (1985).
[CrossRef]

Electron. Lett. (1)

T. C. Damen, M. A. Duguay, Electron. Lett. 16, 166 (1980).
[CrossRef]

J. Opt. Soc. Am. A (2)

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P74 (1987).

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, J. Opt. Soc. Am. A 4(13), P45 (1987).

Other (4)

H. Kressel, J. K. Butler, Semiconductor Lasers and Heterojunction LEDs (Academic, New York, 1977).

Y. Z. Gao, H. S. Zeng, X. R. Qin, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1987), paper TuK41.

J. P. Van der Ziel, in Semiconductors and Semimetals, W. T. Tsang, ed. (Academic, Orlando, Fla., 1985), Vol. 22, Part B.

H. Inaba, in Optical Devices and Fibers, Y. Suematsu, ed. (North-Holland, Amsterdam, 1982).

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Figures (4)

Fig. 1
Fig. 1

(a) Schematic diagram of the system. (b) Equivalent circuit of the system. Ip is the photodetector current, Ri is the input resistance of the amplifier, Rd is the incremental (ac) resistance of the photodetector, and C is the sum of the depletion capacitance of the detector and the equivalent input capacitance of the amplifier. (c) Light output versus injection current characteristics of the system with and without feedback (na = 1 and is = 1).

Fig. 2
Fig. 2

Dependence of the unstable region on the closed-loop gain and T2 with the parameter s0.

Fig. 3
Fig. 3

Calculated waveform with T1 = 2000, T2 = 10, β = 10−5, and = 10−3.

Fig. 4
Fig. 4

Calculated pulse width versus closed-loop gain c1A with the same parameters as in Fig. 3: (a) pulse width versus c1A, (b) pulse width versus s0.

Equations (6)

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d n / d τ = i b i f ( 1 s ) ( n n a ) s n ,
d s / d τ = T 1 [ ( 1 s ) ( n n a ) s s + β n ] ,
d i / d τ = T 2 ( c 1 s i ) ,
λ 3 + λ 2 ( T 2 + 1 + s 0 + δ ) + λ [ T 2 ( 1 + s 0 + δ ) + T 1 s 0 ] + T 1 T 2 s 0 [ 1 + c 1 A g ( A ) ] = 0 ,
c 1 A g ( A ) ( 1 + s 0 + δ ) [ 1 + T 2 ( T 2 + 1 + s 0 + δ ) / T 1 s 0 ] / T 2 ,
c 1 A m = [ 2 ( T 1 s 0 ) 1 / 2 ( 1 + s 0 + δ ) + ( 1 + s 0 ) 2 + 2 ( 1 + s 0 ) δ ] / T 1 s 0 .

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