Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1993-08-18
1995-09-26
Moore, David K.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359160, 359341, H04B 1000
Patent
active
054538670
ABSTRACT:
An analog transmission system for transmitting a multi-channel analog signal including plural carrier signals having different frequencies, comprises: a laser unit responsive to the multi-channel analog signal for emitting laser light signal intensity-modulated by the multi-channel analog signal, the laser unit having an oscillation wavelength W1; an optical fiber amplifier for amplifying the laser light signal with a peak gain at a wavelength W2; an optical fiber for transmitting the amplified laser light; and an optical receiver for receiving the transmitted laser light and for converting the received laser light into an electric signal as an output. In this system, a total distortion characteristic of the laser unit is compensated by distortions developed in the optical fiber amplifier.
REFERENCES:
patent: 5210631 (1993-05-01), Huber et al.
patent: 5222089 (1993-06-01), Huber
patent: 5303079 (1994-04-01), Gnauck et al.
Way et al., "Multichannel AM-VSB Television Signal Transmission Using an Erbium-Doped Optical Fiber Power Amplifier", IEEE Photonics Technology Letters, vol. 1, No. 10, Oct. 1989, pp. 343-345.
Fujita Toshihiro
Ohya Jun
Sato Hisanao
Matsushita Electric - Industrial Co., Ltd.
Moore David K.
Negash Kinfe-Michael
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