H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/145 (2006.01) H01S 5/0625 (2006.01) H04B 10/135 (2006.01) H01S 5/062 (2006.01) H01S 5/34 (2006.01) H01S 5/343 (2006.01) H01S 3/096 (1995.01)
Patent
CA 2164492
This invention discloses the following. Two modulation currents are injected into different electrodes of a semiconductor laser having a plurality of electrodes. The relationship between the phases of the two modulation currents is so adjusted that an output waveform is not distorted especially when a modulation frequency is low. Polarization modulation is applied as the modulation form.
Majima Masao
Ouchi Toshihiko
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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