ptember 1975).
3. Y. Yamamoto, Y. Naruse, T. Kamiya, and H. Yanai, A Large-Tolerant Single Mode
Fiber Coupler with a Tapered Structure, Proc. IEEE 64, 1013-1014 (June 1976).
4. Y. Yamamoto, T. Kamiya, and H. Yanai, Improved Coupled Mode Analysis of Cor-
rugated Waveguides and Lasers, IEEE J. Quantum Electron. QE-14, 245-258 (April
1978).
5. Y. Yamamoto, T. Kamiya, and H. Yanai Improved Coupled Mode Analysis of Corru-
gated Waveguides and Lasers. II. TM Modes, IEEE J. Quantum Electron. QE-14,
620-624 (August 1978).
6. Y. Yamamoto, Y. Naruse, T. Kamiya, and H. Yanai, Low Loss Splice of Single-Mode-
Fiber Using Tapered Velocity Couplers, Trans. IEICE of Japan E62, 11-17 (January
1979)
7. Y. Yamamoto and H. Kanbe, Zn Diusion in In
x
Ga
1x
As with ZnAs
2
Source, Jpn.
J. Appl. Phys. 19, 121-128 (January 1980).
8. Y. Yamamoto and H. Tsuchiya, Optical Receiver Sensitivity Improvement by a Semi-
conductor Laser Preamplier, Electron. Lett. 16, 233-235 (March 1980).
9. S. Saito, Y. Yamamoto, and T. Kimura, Optical Heterodyne Detection of Directly Fre-
quency Modulated Semiconductor Laser Signal, Electron. Lett. 16, 826-827 (October
1980).
10. Y. Yamamoto, Characteristics of AlGaAs Fabry-Perot Cavity Type Laser Ampliers,
IEEE J. Quantum Electron. QE-16, 1047-1052 (October 1980).
11. Y. Yamamoto, Noise and Error Rate Performance of Semiconductor Laser Ampliers
in PCM-IM Optical Transmission Systems, IEEE J. Quantum Electron. QE-16, 1073-
1081 (October 1980). Yoshihisa Yamamoto
5
12. Y. Yamamoto, Receiver Performance Evaluation of Various Digital Optical Modulation-
Demodulation Systems in the 0.5-10 µm Wavelength Region, IEEE J. Quantum Elec-
tron. QE-16, 1251-1259 (November 1980).
13. T. Mukai and Y. Yamamoto, Noise Characteristics of Semiconductor Laser Ampli-
ers, Electron. Lett. 17, 31-33 (January 1981).
14. Y. Yamamoto, T. Mukai and S. Saito, Quantum Phase Noise and Linewidth of a
Semiconductor Laser, Electron. Lett. 17, 327-328 (April 1981).
15. S. Saito and Y. Yamamoto, Direct Observation of Lorentzian Lineshape of Semicon-
ductor Laser and Linewidth Reduction with External Grating Feedback, Electron.
Lett. 17, 325-327 (April 1981).
16. S. Kobayashi, Y. Yamamoto, and T. Kimura, Modulation Frequency Characteristics of
Directly Optical Frequency Modulated AlGaAs Semiconductor Laser, Electron. Lett.
17, 350-351 (May 1981).
17. Y. Yamamoto and T. Kimura, Coherent Optical Fiber Transmission Systems, IEEE
J. Quantum Electron. QE-17, 919-935 (June 1981).
18. S. Saito, Y. Yamamoto, and T. Kimura, Optical FSK Heterodyne Detection Experi-
ments Using Semiconductor Laser Transmitter and Local Oscillator, IEEE J. Quantum
Electron. QE-17, 935-941 (June 1981).
19. T. Mukai and Y. Yamamoto, Gain, Frequency Bandwidth, and Saturation Output
Power of AlGaAs DH Laser Ampliers, IEEE J. Quantum Electron. QE-17, 1028-
1034 (June 1981).
20. O. Nilsson, S. Saito, and Y. Yamamoto, Oscillation Frequency, Linewidth Reduction
and Frequency Modulation Characteristics for a Diode Laser with External Grating
Feedback, Electron. Lett. 17, 589-591 (August 1981).
21. S. Kobayashi, Y. Yamamoto, and T. Kimura, Optical FM Signal Amplication and
FM Noise Reduction in an Injection Locked AlGaAs Semiconductor Laser, Electron.
Lett. 17, 849-851 (October 1981).
22. T. Mukai and Y. Yamamoto, Noise in an AlGaAs Semiconductor Laser Amplier,
IEEE J. Quantum Electron. QE-18, 564-575 (April 1982).
23. S. Kobayashi, Y. Yamamoto, M. Ito, and T. Kimura, Direct Frequency Modulation in
AlGaAs Semiconductor Lasers, IEEE J. Quantum Electron. QE-18, 582-595 (April
1982).
24. T. Mukai, Y. Yamamoto, and T. Kimura, S/N Performance of an AlGaAs Laser Pream-
plier and a Linear Repeater System, Electron. Lett. 18, 382-384 (April 1982).
25. S. Saito, Y. Yamamoto, and T. Kimura, Semiconductor Laser FSK Modulation and
Optical Direct Discrimination Detection, Electron. Lett. 18, 468-470 (May 1982). Yoshihisa Yamamoto
6
26. S. Saito, Y. Yamamoto, and T. Kimura, Optical FSK Signal Detection in a Heterodyne
System Using Semiconductor Lasers, Electron. Lett. 18, 470-471 (May 1982).
27. S. Saito, O. Nilsson, and Y. Yamamoto, Oscillation Center Frequency Tuning, Quan-
tum FM Noise, and Direct Frequency Modulation Characteristics in External Grating
Loaded Semiconductor Lasers, IEEE J. Quantum Electron. QE-18, 961-971 (June
1982).
28. T. Mukai, Y. Yamamoto, and T. Kimura, S/N and Error Rate Performance in AlGaAs
Semiconductor Laser Preamplier and Linear Repeater Systems, IEEE J. Quantum
Electron. QE-18, 1560-1568 (October 1982).
29. T. Kimura and Y. Yamamoto, Optical Devices for Coherent Transmission Systems,
in Optical Devices and Fibers V, ed. Y. Suematsu (North-Holland, Amsterdam, 1983),
pp. 2-22.
30. Y. Yamamoto, AM and FM Quantum Noise in Semiconductor Lasers Part I: The-
oretical Analysis, IEEE J. Quantum Electron. QE-19, 34-46 (January 1983).
31. Y. Yamamoto, S. Saito, and T. Mukai, AM and FM Quantum Noise in Semiconductor
Lasers Part II: Comparison of Theoretical and Experimental Results for AlGaAs
Lasers, IEEE J. Quantum Electron. QE-19, 47-58 (January 1983).
32. T. Kimura and Y. Yamamoto, Progress of Coherent Optical Fiber Communication
Systems, Opt. Quantum Electron. 15, 1-39 (January 1983) [Invited Paper].
33. S. Saito, Y. Yamamoto, and T. Kimura, S/N and Error Rate Evaluation for an Optical
FSK-Heterodyne Detection System Using Semiconductor Lasers, IEEE J. Quantum
Electron. QE-19, 180-193 (February 1983).
34. T. Mukai, Y. Yamamoto, and T. Kimura, Optical Direct Amplication for Fiber Trans-
mission, Review of the Electrical Communication Laboratories 31, 340-348 (1983).
35. T. Mukai and Y. Yamamoto, AM Quantum Noise in 1.3 µm InGaAsP Lasers, Elec-
tron. Lett. 20, 29-30 (January 1984).
36. H. A. Haus and Y. Yamamoto, Quantum Noise of an Injection-Locked Laser Oscilla-
tor, Phys. Rev. A 29, 1261-1274 (March 1984).
37. T. Yanagawa, S. Saito, and Y. Yamamoto, Frequency Stabilization of 1.5-µm InGaAsP
Distributed Feedback Laser to NH
3
Absorption Lines, Appl. Phys. Lett. 45, 826-828
(October 1984).
38. S. Saito, O. Nilsson, and Y. Yamamoto, Frequency Modulation Noise and Linewidth
Reduction in a Semiconductor Laser by Means of Negative Frequency Feedback Tech-
nique, Appl. Phys. Lett. 46, 3-5 (January 1985).
39. O. Nilsson and Y. Yamamoto, Small-Signal Response of a Semiconductor Laser with
Inhomogeneous Linewidth Enhancement Factor: Possibilities of a Flat Carrier-Induced
FM Response, Appl. Phys. Lett. 46, 223-225 (February 1985). Yoshihisa Yamamoto
7
40. N. Imoto, H. A. Haus, and Y. Yamamoto, Quantum Nondemolition Measurement of
the Photon Number Via the Optical Kerr Eect, Phys. Rev. A 32, 2287-2292 (October
1985).
41. T. Yanagawa, S. Saito, S. Machida, Y. Yamamoto, and Y. Noguchi, Frequency Sta-
bilization of an InGaAsP Distributed Feedback Laser to an NH
3
Absorption Line at
15137
A with an External Frequency Modulator, Appl. Phys. Lett. 47, 1036-1038
(November 1985).
42. Y. Yamamoto, O. Nilsson, and S. Saito, Theory of a Negative Frequency Feedback
Semiconductor Laser, IEEE J. Quantum Electron. QE-21, 1919-1928 (December
1985).
43. Y. Yamamoto and S. Saito, Negative Frequency Feedback Semiconductor Laser, in
Optical Devices and Fibers XVII, ed. Y. Suematsu (North-Holland, Amsterdam, 1985),
pp. 17-31.
44. T. Mukai, Y. Yamamoto, and T. Kimura, Optical Amplication by Semiconductor
Lasers, in Semiconductors and Semimetals, eds. R. K. Willardson and A. C. Beer
(Academic Press, New York, 1985), Vol. 22-E, pp. 265-319.
45. S. Machida and Y. Yamamoto, Observation of Sub-Poissonian Photoelectron Statistics
in a Negative Feedback Semiconductor Laser, Opt. Commun. 57, 290-296 (March
1986).
46. S. Machida and Y. Yamamoto, Quantum-Limited Operation of Balanced Mixer Homo-
dyne and Heterodyne Receivers, IEEE J. Quantum Electron. QE-22, 617-624 (May
1986).
47. Y. Yamamoto, N. Imoto, and S. Machida, Amplitude Squeezing in a Semiconduc-
tor Laser Using Quantum Nondemolition Measurement and Negative Feedback, Phys.
Rev. A 33, 3243-3261 (May 1986).
48. H. A. Haus and Y. Yamamoto, Theory of Feedback-Generated Squeezed States, Phys.
Rev. A 34, 270-292 (July 1986).
49. Y. Yamamoto and N. Imoto, Internal and External Field Fluctuations of a Laser
Oscillator: Part I Quantum Mechanical Langevin Treatment, IEEE J. Quantum
Electron. QE-22, 2032-2042 (October 1986).
50. O. Nilsson, Y. Yamamoto, and S. Machida, Internal and External Field Fluctuations
of a Laser Oscillator: Part II Electrical Circuit Theory, IEEE J. Quantum Electron.
QE-22, 2043-2051 (October 1986).
51. Y. Yamamoto and H. A. Haus, Preparation Measurement and Information Capacity
of Optical Quantum States, Rev. Mod. Phys. 58, 1001-1020 (October 1986).
52. M. Kitagawa and Y. Yamamoto, Number-Phase Minimum-Uncertainty State with
Reduced Number Uncertainty in a Kerr Nonlinear Interferometer, Phys. Rev. A 34,
3974-3988 (November 1986). Yoshihisa Yamamoto
8
53. Y. Yamamoto, S. Machida, and O. Nilsson, Amplitude Squeezing in a Pump-Noise-
Suppressed Laser Oscillator, Phys. Rev. A 34, 4025-4042 (November 1986).
54. H. A. Haus and Y. Yamamoto, Quantum Circuit Theory of Phase-Sensitive Linear
Systems, IEEE J. Quantum Electron. QE-23, 212-221 (February 1987).
55. S. Machida, Y. Yamamoto, and Y. Itaya, Observation of Amplitude Squeezing in
a Constant-Current-Driven Semiconductor Laser, Phys. Rev. Lett. 58, 1000-1003
(March 1987).
56. Y. Yamamoto and S. Machida, High-Impedance Suppression of Pump Fluctuation and
Amplitude Squeezing in Semiconductor Lasers, Phys. Rev. A 35, 5114-5130 (June
1987).
57. M. Kitagawa, N. Imoto, and Y. Yamamoto, Realization of Number-Phase Minimum-
Uncertainty States and Number States by Quantum Nondemolition Measurement,
Phys. Rev. A 35, 5270-5273 (June 1987).
58. Y.