Abstract

Optoelectronic hybrid bistability and multistability in an active interferometer using a laser diode are demonstrated experimentally. The active laser-diode interferometer is composed of a Twyman–Green interferometer with an electronic feedback circuit. By feeding back the interferometer output together with an external light input through a detector to control the laser-diode injection current, the optical bistable and multistable states of the output power from the laser diode are observed. Bistable operation does not require cutoff or saturation in the amplifier. The theoretical background of the phenomena is discussed.

© 1990 Optical Society of America

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References

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  1. H. M. Gibbs, Optical Bistability: Controlling Light with Light (Academic, Orlando, Fla., 1985).
  2. C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, IEEE J. Quantum Electron. QE-24, 2063 (1988).
    [CrossRef]
  3. T. Yoshino, M. Nara, S. Mnatzakanian, B. S. Lee, T. C. Strand, Appl. Opt. 26, 892 (1987).
    [CrossRef] [PubMed]

1988 (1)

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, IEEE J. Quantum Electron. QE-24, 2063 (1988).
[CrossRef]

1987 (1)

Cho, K.-H.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, IEEE J. Quantum Electron. QE-24, 2063 (1988).
[CrossRef]

Gibbs, H. M.

H. M. Gibbs, Optical Bistability: Controlling Light with Light (Academic, Orlando, Fla., 1985).

Lee, B. S.

Lee, C.-H.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, IEEE J. Quantum Electron. QE-24, 2063 (1988).
[CrossRef]

Lee, S.-Y.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, IEEE J. Quantum Electron. QE-24, 2063 (1988).
[CrossRef]

Mnatzakanian, S.

Nara, M.

Shin, S.-Y.

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, IEEE J. Quantum Electron. QE-24, 2063 (1988).
[CrossRef]

Strand, T. C.

Yoshino, T.

Appl. Opt. (1)

IEEE J. Quantum Electron. (1)

C.-H. Lee, K.-H. Cho, S.-Y. Shin, S.-Y. Lee, IEEE J. Quantum Electron. QE-24, 2063 (1988).
[CrossRef]

Other (1)

H. M. Gibbs, Optical Bistability: Controlling Light with Light (Academic, Orlando, Fla., 1985).

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Figures (3)

Fig. 1
Fig. 1

Diagram of an active interferometer. LD, laser diode; A, amplifier; H.M., half-mirror; LED, light-emitting diode.

Fig. 2
Fig. 2

Bistable states of the input and output relation for the bias current Ib = 50 mA. The horizontal and vertical scales are 11.1 nW/division and 24.2 μW/division, respectively.

Fig. 3
Fig. 3

Multistable state of the input and output relation for the bias current Ib, = 60 mA. The horizontal and vertical scales are 44.4 nW/division and 153 μW/division, respectively.

Equations (10)

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I f = A ( P m + P in P 0 ) ,
P m = a P out ( 1 + b cos δ ) ,
δ = 4 π D ( f 0 + β 0 I f ) / c ,
P out = α ( I f + I b I th ) ,
P m = a P out [ 1 + b cos ( δ 0 + β P out ) ] ,
δ 0 = 4 π D [ f 0 β 0 ( I b I th ) ] / c
β = 4 π D β 0 / α c .
P out = α A a P out [ 1 + b cos ( δ 0 + β P out ) ] + α A P in + α ( I b I th A P 0 ) .
y = α A a P out [ 1 + b cos ( δ 0 + β P out )]
y = P out α ( A P in + I b I th A P 0 ) .

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