Optical sensing by using photonic quantum ring lasers and resonance-enhanced photodetectors
SCIE
SCOPUS
- Title
- Optical sensing by using photonic quantum ring lasers and resonance-enhanced photodetectors
- Authors
- Park, BH; Baek, SD; Kim, JY; Bae, J; Han, H; Kwon, O
- Date Issued
- 2002-06
- Publisher
- SPIE-INT SOCIETY OPTICAL ENGINEERING
- Abstract
- We describe an optical sensor using photonic quantum ring lasers and resonance-enhanced photodetectors for the purpose of counting object discrimination. Due to the angle-dependent peak wavelength shift characteristics of the photonic quantum ring laser, an emission at an angle of 0similar to30 deg from a perpendicular direction was reflected and absorbed in the resonance-enhanced photodetector, with a peak responsivity of 0.107 A/W at 757 nm. The use of the photonic quantum ring laser at an optimized angle in this monolithically integrated system, based on a distributed Bragg partial reflector structure, can lead to a compact, low cost, dust-free optical sensor and counter. (C) 2002 Society of Photo-Optical Instrumentation Engineers.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19039
- DOI
- 10.1117/1.1476940
- ISSN
- 0091-3286
- Article Type
- Article
- Citation
- OPTICAL ENGINEERING, vol. 41, no. 6, page. 1339 - 1345, 2002-06
- Files in This Item:
-
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.