Wideband frequency response measurement of photodetectors using optical heterodyne detection technique

1986 ◽  
Vol 22 (6) ◽  
pp. 337 ◽  
Author(s):  
S. Kawanishi ◽  
M. Saruwatari
Keyword(s):  
Frequency Response ◽  
Detection Technique ◽  
Heterodyne Detection ◽  
Optical Heterodyne ◽  
Response Measurement ◽  
Frequency Response Measurement ◽  
Optical Heterodyne Detection

scholarly journals All-Fiber Frequency Shifter Based on an Acousto-Optic Tunable Filter Cascaded with a Tapered Fiber-Coupled Microcavity

Crystals ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 497
Author(s):  
Xiaofang Han ◽  
Yue Hu ◽  
Jiwei Li ◽  
Pengfa Chang ◽  
Feng Gao ◽  
...  
Keyword(s):  
Low Cost ◽  
Tunable Filter ◽  
Detection Technique ◽  
Heterodyne Detection ◽  
Optical Heterodyne ◽  
Tapered Fiber ◽  
Frequency Shifter ◽  
Compact Size ◽  
Optical Heterodyne Detection ◽  
Theory And Experiment

An all-fiber acousto-optic frequency shifter (AOFS) based on an acousto-optic tunable filter (AOTF) cascaded with a packaged tapered fiber (TF)-coupled microsphere was proposed and demonstrated in both theory and experiment. The configuration has the advantages of easy alignment, robustness, compact size, and low cost, which will improve its further application, such as in the optical heterodyne detection technique (OHDT).

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