Pak Shing Cho
28Patents
11h-index
30Co-inventors
71Inventor score
Filing activity: Apr 24, 1998 → Feb 24, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7272271B2 | Electro-optical integrated transmitter chip for arbitrary quadrature modulation of optical signals | Physics | 60 | Expired |
| US5974209A | System comprising an electroabsorption modulator and an optical discriminator | Electricity | 58 | Expired |
| US7483600B2 | Integrated coherent optical detector | Physics | 31 | Active |
| US7277178B2 | Coherent photothermal interferometric spectroscopy system and method for chemical sensing | Physics | 27 | Expired |
| US7110677B2 | Method and system for optical time division multiplexed fiber communications with coherent detection | Electricity | 25 | Expired |
| US6335819B1 | All-optical regeneration at high bit rates using an electroabsorption modulator | Electricity | 24 | Expired |
| US7327913B2 | Coherent optical detector and coherent communication system and method | Physics | 21 | Expired |
| US6046841A | All-optical wavelength conversion system comprising an optical discriminator | Electricity | 20 | Expired |
| US6701049B1 | Optical clock recovery device using non-linear optical waveguides | Electricity | 20 | Expired |
| US8050351B2 | Quadrature modulator with feedback control and optical communications system using the same | Physics | 18 | Active |
| US7224906B2 | Method and system for mitigating nonlinear transmission impairments in fiber-optic communications systems | Physics | 15 | Expired |
| US7397979B2 | Coherent optical detector and coherent communication system and method | Physics | 11 | Active |
| US7315697B2 | Light source for generating an output signal having spaced apart frequencies | Electricity | 10 | Expired |
| US7167651B2 | System and method for code division multiplexed optical communication | Electricity | 10 | Expired |
| US7242481B2 | Laser vibrometry with coherent detection | Physics | 10 | Expired |
| US7715720B2 | Coherent optical detector and coherent communication system and method | Physics | 8 | Active |
| US8300229B2 | Chemical sensing with coherent detection of optical signal | Physics | 8 | Active |
| US7391969B2 | Method and apparatus for pulse generation and adaptive pulse generation for optical communications | Electricity | 6 | Active |
| US7266307B2 | Method and apparatus for pulse generation and adaptive pulse generation for optical communications | Electricity | 5 | Expired |
| US7801395B2 | Coherent optical detector and coherent communication system and method | Physics | 3 | Active |
| US7974543B2 | Optical receiver and a free-space optical communications using the same | Electricity | 2 | Active |
| US8009294B2 | Chemical sensing system and method | Physics | 1 | Active |
| US7949262B2 | Space diversity receiver for optical communications | Physics | 1 | Active |
| US7512338B2 | Method and apparatus for pulse generation and adaptive pulse generation for optical communications | Electricity | 1 | Active |
| US7961997B2 | Space diversity optical receiver and system and method using the same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.