Multiwavelength light source

Details Multiwavelength light source Multiwavelength light source

1998-08-10

2000-03-14

Font, Frank G.

Coherent light generators

Particular temperature control

372 20, 372 50, H01S 304, H01S 310, H01S 319

Patent

active

060382422

ABSTRACT:
A multiwavelength light source for emitting light having multiple wavelengths. The multiwavelength light source includes a carrier and a laser diode array mounted on the carrier. The laser diode array is formed by integrating a plurality of laser diodes having substantially the same oscillation wavelength. The multiwavelength light source further includes a first temperature control device connected to the first end portion of the carrier and a second temperature control device connected to the second end portion of the carrier. The temperature of the first temperature control device is controlled to a first temperature, and the temperature of the second temperature control device is controlled to a second temperature different from the first temperature. The first and second temperature control devices produce a given temperature gradient in the carrier over its entire width from the first end portion to the second end portion to thereby oscillate the plural laser diodes with a desired wavelength spacing.

REFERENCES:
patent: 5202893 (1993-04-01), Kubota et al.
patent: 5402436 (1995-03-01), Paoli

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