Claims
- 1. An uncooled optical communication module comprising:
a plate-shaped thermistor having a positive temperature coefficient so that resistance of the thermistor increases according to an increase of an environmental temperature; a semiconductor chip mounted on an upper surface of the thermistor; and, a driving means for applying a predetermined voltage to the thermistor.
- 2. The uncooled optical communication module as claimed in claim 1, wherein the thermistor has a heating characteristic defined by an equation,
- 3. The uncooled optical communication module as claimed in claim 1, wherein the driving mean includes:
a first electrode and a second electrode laminated on both sides of the thermistor; and a voltage source connected to the first electrode and the second electrode, which applies a predetermined voltage.
- 4. The uncooled optical communication module as claimed in claim 1, wherein the semiconductor chip is a semiconductor laser chip emitting light through one end of the semiconductor chip.
- 5. An optical communication module comprising:
a thermistor having a positive temperature coefficient so that resistance of the thermistor increases according to an increase of an environmental temperature; a semiconductor chip thermally coupled to the thermistor; and, a plurality of electrodes, coupled to the thermistor, arranged to connect a voltage source to the thermistor.
- 6. The optical communication module as claimed in claim 5, wherein the thermistor has a heating characteristic defined by an equation,
- 7. The optical communication module as claimed in claim 5, wherein a voltage source is connected to the first electrode and the second electrode, which applies a predetermined voltage to the thermistor.
- 8. The optical communication module as claimed in claim 5, wherein the semiconductor chip is a semiconductor laser chip emitting light through one end of the semiconductor chip.
- 9. The optical communication module as claimed in claim 5, wherein the semiconductor chip is a semiconductor optical amplifier.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2003-9145 |
Feb 2003 |
KR |
|
CLAIM OF PRIORITY
[0001] This application claims priority to an application entitled “Uncooled optical communication module,” filed in the Korean Intellectual Property Office on Feb. 13, 2003 and assigned Serial No. 2003-9145, the contents of which are hereby incorporated by reference.