Optical mixer

Details Optical mixer Optical mixer

1990-09-19

1992-05-05

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

359175, 359191, 359244, 359344, 372 8, 372 26, H01S 310, H04B 900

Patent

active

051113333

ABSTRACT:
An optical mixer is provided for up/down-converting a first intensity-modulated optical signal (S1), the mixer comprising an optical amplifier (20) and gain-modulating means (23) for modulating the gain of the optical amplifier. The gain-modulating means (23) comprises means for generating a second intensity-modulated optical signal (S2) and launching it into the optical amplifier (20) at an intensity to cause the amplifier to operate at least partially within its saturated gain region. This causes the gain of the amplifier to be modulated at the frequency of modulation of the second optical signal (S2).

REFERENCES:
patent: 4364014 (1982-12-01), Gray
Gray et al., "Optooptic Modulated Based on Gain Saturation", IEEE J. Q. E., vol. QE-14, #11, pp. 839-900, Nov. 1978, Abstract only provided herewith.
Oberg et al., "Crosstalk Between Intensity . . . Laser Amplifier", IEEE J. Q. E., vol. 24, #1, pp. 52-59, Jan. 1988, abst. only.
Inoue, K., "Crosstalk . . . Semiconductor Laser Amplifier", J. Lightwave Technol., vol. 7, #7, pp. 1118-1124, Jul. 1989, abst. only.

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