Title :
Improved Impulse Response of Top-Illuminated InGaAs Photodiodes using GRIN Lens Coupling
Author :
Joshi, Akanksha ; Datta, Soupayan ; Becker, Daniel
Author_Institution :
Discovery Semicond., Ewing, NJ, USA
Abstract :
We report a top-illuminated, GRIN lens-coupled InGaAs photodiode with an impulse response linearity exceeding 2.5 V peak-to-peak at 7.5% duty cycle and 100% modulation depth. A -100% improvement over single mode fiber-coupled photodiodes is experimentally demonstrated.
Keywords :
III-V semiconductors; gallium arsenide; gradient index optics; indium compounds; lenses; photodiodes; GRIN lens coupling; InGaAs; InGaAs photodiodes; impulse response; linearity enhancement; single mode fiber-coupled photodiodes; High speed optical techniques; Indium gallium arsenide; Lenses; Lighting; Linearity; Optical fiber sensors; Optical saturation; Optical sensors; Photodiodes; Stimulated emission;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528352
