direct current modulation
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scholarly journals Ionic Direct Current Modulation for Combined Inhibition/Excitation of the Vestibular System

2019 ◽  
Vol 66 (3) ◽  
pp. 775-783 ◽  
Author(s):  
Felix P. Aplin ◽  
Dilawer Singh ◽  
Charles C. Della Santina ◽  
Gene Y. Fridman
Keyword(s):  
Direct Current ◽  
Vestibular System ◽  
Current Modulation ◽  
Direct Current Modulation

Linewidth Enhancement Factor Measurement of a Fabry Perot Laser Diode through Narrowband Optical FM Generation

2017 ◽  
Vol 38 (2) ◽  
Author(s):  
Taraprasad Chattopadhyay ◽  
Prosenjit Bhattacharyya ◽  
Chiranjib Ghosh
Keyword(s):  
Laser Diode ◽  
Enhancement Factor ◽  
Optical Intensity ◽  
Simple Method ◽  
Linewidth Enhancement Factor ◽  
Fabry Perot ◽  
Factor Measurement ◽  
Index Level ◽  
Linewidth Enhancement ◽  
Direct Current Modulation

AbstractThis paper presents a simple method of linewidth enhancement factor (LEF) measurement of a semiconductor laser through narrowband optical frequency modulation (FM) generation by direct modulation. The narrowband optical FM is generated by using small-amplitude direct-current modulation, thereby limiting the resultant optical intensity modulation index level typically within 10%. The LEF is found to decrease linearly with the increase in bias current of the laser diode above threshold.

scholarly journals Photonic generation of ultra-wideband signals by direct current modulation on SOA section of an SOA-integrated SGDBR laser

2010 ◽  
Vol 18 (7) ◽  
pp. 7219 ◽  
Author(s):  
Hui Lv ◽  
Yonglin Yu ◽  
Tan Shu ◽  
Dexiu Huang ◽  
Shan Jiang ◽  
...  
Keyword(s):  
Direct Current ◽  
Ultra Wideband ◽  
Current Modulation ◽  
Wideband Signals ◽  
Photonic Generation ◽  
Direct Current Modulation
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