Abstract

We present a noiseless optical amplifier comprising a signal-amplifying feed-forward loop and a power-amplifying injection-locked laser. We demonstrate that the signal amplifier can attain a signal-transfer coefficient limited solely by the quantum efficiency of our in-loop photodetector and that we can independently amplify the optical power while leaving the normalized intensity-noise spectral density of the input field unchanged.

© 1998 Optical Society of America

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  1. H. P. Yuen, Phys. Rev. Lett. 56, 2176 (1986).
    [CrossRef] [PubMed]
  2. H. A. Haus and J. A. Mullen, Phys. Rev. A 128, 2407 (1962).
    [CrossRef]
  3. C. M. Caves, Phys. Rev. D 23, 1693 (1981).
    [CrossRef]
  4. J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
    [CrossRef] [PubMed]
  5. E. Goobar, A. Karlsson, and G. Björk, Phys. Rev. Lett. 71, 2002 (1993).
    [CrossRef] [PubMed]
  6. J.-F. Roch, J.-Ph. Poizat, and P. Grangier, Phys. Rev. Lett. 71, 2006 (1993).
    [CrossRef] [PubMed]
  7. P. K. Lam, T. C. Ralph, E. H. Huntington, and H.-A. Bachor, Phys. Rev. Lett. 79, 1471 (1997).
    [CrossRef]
  8. T. C. Ralph and H.-A. Bachor, Opt. Commun. 122, 94 (1995).
    [CrossRef]
  9. J-Ph. Poizat, J-F. Roch, and P. Grangier, Ann. Phys. (Paris) 19, 265 (1994).
  10. T. C. Ralph, Phys. Rev. A 56, 4182 (1997).
    [CrossRef]
  11. C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
    [CrossRef] [PubMed]

1997 (2)

P. K. Lam, T. C. Ralph, E. H. Huntington, and H.-A. Bachor, Phys. Rev. Lett. 79, 1471 (1997).
[CrossRef]

T. C. Ralph, Phys. Rev. A 56, 4182 (1997).
[CrossRef]

1996 (1)

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

1995 (1)

T. C. Ralph and H.-A. Bachor, Opt. Commun. 122, 94 (1995).
[CrossRef]

1994 (1)

J-Ph. Poizat, J-F. Roch, and P. Grangier, Ann. Phys. (Paris) 19, 265 (1994).

1993 (3)

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

E. Goobar, A. Karlsson, and G. Björk, Phys. Rev. Lett. 71, 2002 (1993).
[CrossRef] [PubMed]

J.-F. Roch, J.-Ph. Poizat, and P. Grangier, Phys. Rev. Lett. 71, 2006 (1993).
[CrossRef] [PubMed]

1986 (1)

H. P. Yuen, Phys. Rev. Lett. 56, 2176 (1986).
[CrossRef] [PubMed]

1981 (1)

C. M. Caves, Phys. Rev. D 23, 1693 (1981).
[CrossRef]

1962 (1)

H. A. Haus and J. A. Mullen, Phys. Rev. A 128, 2407 (1962).
[CrossRef]

Abram, I.

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

Bachor, H.-A.

P. K. Lam, T. C. Ralph, E. H. Huntington, and H.-A. Bachor, Phys. Rev. Lett. 79, 1471 (1997).
[CrossRef]

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

T. C. Ralph and H.-A. Bachor, Opt. Commun. 122, 94 (1995).
[CrossRef]

Björk, G.

E. Goobar, A. Karlsson, and G. Björk, Phys. Rev. Lett. 71, 2002 (1993).
[CrossRef] [PubMed]

Caves, C. M.

C. M. Caves, Phys. Rev. D 23, 1693 (1981).
[CrossRef]

Fayolle, P.

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

Freitag, I.

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

Garreau, J. C.

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

Goobar, E.

E. Goobar, A. Karlsson, and G. Björk, Phys. Rev. Lett. 71, 2002 (1993).
[CrossRef] [PubMed]

Grangier, P.

J-Ph. Poizat, J-F. Roch, and P. Grangier, Ann. Phys. (Paris) 19, 265 (1994).

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

J.-F. Roch, J.-Ph. Poizat, and P. Grangier, Phys. Rev. Lett. 71, 2006 (1993).
[CrossRef] [PubMed]

Harb, C. C.

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

Haus, H. A.

H. A. Haus and J. A. Mullen, Phys. Rev. A 128, 2407 (1962).
[CrossRef]

Huntington, E. H.

P. K. Lam, T. C. Ralph, E. H. Huntington, and H.-A. Bachor, Phys. Rev. Lett. 79, 1471 (1997).
[CrossRef]

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

Karlsson, A.

E. Goobar, A. Karlsson, and G. Björk, Phys. Rev. Lett. 71, 2002 (1993).
[CrossRef] [PubMed]

Lam, P. K.

P. K. Lam, T. C. Ralph, E. H. Huntington, and H.-A. Bachor, Phys. Rev. Lett. 79, 1471 (1997).
[CrossRef]

Levenson, J. A.

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

McClelland, D. E.

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

Mullen, J. A.

H. A. Haus and J. A. Mullen, Phys. Rev. A 128, 2407 (1962).
[CrossRef]

Poizat, J.-Ph.

J.-F. Roch, J.-Ph. Poizat, and P. Grangier, Phys. Rev. Lett. 71, 2006 (1993).
[CrossRef] [PubMed]

Poizat, J-Ph.

J-Ph. Poizat, J-F. Roch, and P. Grangier, Ann. Phys. (Paris) 19, 265 (1994).

Ralph, T. C.

P. K. Lam, T. C. Ralph, E. H. Huntington, and H.-A. Bachor, Phys. Rev. Lett. 79, 1471 (1997).
[CrossRef]

T. C. Ralph, Phys. Rev. A 56, 4182 (1997).
[CrossRef]

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

T. C. Ralph and H.-A. Bachor, Opt. Commun. 122, 94 (1995).
[CrossRef]

Rivera, T.

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

Roch, J.-F.

J.-F. Roch, J.-Ph. Poizat, and P. Grangier, Phys. Rev. Lett. 71, 2006 (1993).
[CrossRef] [PubMed]

Roch, J-F.

J-Ph. Poizat, J-F. Roch, and P. Grangier, Ann. Phys. (Paris) 19, 265 (1994).

Yuen, H. P.

H. P. Yuen, Phys. Rev. Lett. 56, 2176 (1986).
[CrossRef] [PubMed]

Ann. Phys. (Paris) (1)

J-Ph. Poizat, J-F. Roch, and P. Grangier, Ann. Phys. (Paris) 19, 265 (1994).

Opt. Commun. (1)

T. C. Ralph and H.-A. Bachor, Opt. Commun. 122, 94 (1995).
[CrossRef]

Phys. Rev. A (3)

T. C. Ralph, Phys. Rev. A 56, 4182 (1997).
[CrossRef]

C. C. Harb, T. C. Ralph, E. H. Huntington, I. Freitag, D. E. McClelland, and H.-A. Bachor, Phys. Rev. A 54, 4370 (1996).
[CrossRef] [PubMed]

H. A. Haus and J. A. Mullen, Phys. Rev. A 128, 2407 (1962).
[CrossRef]

Phys. Rev. D (1)

C. M. Caves, Phys. Rev. D 23, 1693 (1981).
[CrossRef]

Phys. Rev. Lett. (5)

J. A. Levenson, I. Abram, T. Rivera, P. Fayolle, J. C. Garreau, and P. Grangier, Phys. Rev. Lett. 70, 267 (1993).
[CrossRef] [PubMed]

E. Goobar, A. Karlsson, and G. Björk, Phys. Rev. Lett. 71, 2002 (1993).
[CrossRef] [PubMed]

J.-F. Roch, J.-Ph. Poizat, and P. Grangier, Phys. Rev. Lett. 71, 2006 (1993).
[CrossRef] [PubMed]

P. K. Lam, T. C. Ralph, E. H. Huntington, and H.-A. Bachor, Phys. Rev. Lett. 79, 1471 (1997).
[CrossRef]

H. P. Yuen, Phys. Rev. Lett. 56, 2176 (1986).
[CrossRef] [PubMed]

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Figures (3)

Fig. 1
Fig. 1

Combined signal–power-amplification scheme consisting of a feed-forward loop and an injection-locked laser. Signal, source of the amplitude signal at 73  MHz; BSff, variable transmittivity, 1, beam splitter; AM, amplitude modulator; λ/2, half-wave plate at 1.064 µm; PBS's, polarizing beam splitters at 1064 µm; Dil, high-quantum-efficiency 2=0.93±0.02 in-loop photodetector; Amp, phase-controlled amplifying and filtering electronics; EOM, electro-optic modulator; P, 2% pellicle beam splitter; Db, high-frequency photodetector; NDF, neutral-density filter; Dol1, out-of-loop photodetector, efficiency including modulator losses 31=0.80±0.05; Dol2, out-of-loop photodetector with efficiency 32=0.92±0.02; SA1, Tektronix Model 2710 spectrum analyzer; SA2, Hewlett–Packard Model 8568B spectrum analyzer.

Fig. 2
Fig. 2

Signal-transfer coefficient for the signal amplifier as a function of the signal gain G for the optimized electronic gain of the feed-forward loop.

Fig. 3
Fig. 3

Normalized variance of the injection-locked laser as a function of the normalized variance of the master laser at a detection frequency of 73  MHz. η=Pmeasured/Pactual represents the attenuation of the power of the field.

Tables (1)

Tables Icon

Table 1 Signal-Transfer Coefficients Ts, totalmeas for the Combined Amplifier for Various Values of Signal G and Power H Gains and the Values Inferred Ts, totalinf Based on Power Attenuation η

Equations (2)

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Vsigω=GVinω,  Psig=1GPin.
Voutω=Vsigω,  Pout=HpPsig,

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