An apparatus is described in which the temperature of a semiconductor laser (or other device) can be set to a desired value by using the heat generated by the laser itself in conjunction with an adjustable thermal impedance heat sink to effect the desired temperature rise.
CROSS-REFERENCE TO RELATED APPLICATION
This application claims priority under 35 U.S.C. .sctn. 119(e) to U.S. Provisional Patent Application Ser. No. 60/570,762, "Apparatus to temperature tune the wavelength of a semiconductor laser using a variable thermal impedance", filed May 14, 2004 by Jan Lipson.
