Department of Photonics

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>Interdisciplinary Photonic Sciences

HOMEAbout DoPResearchResearch TopicsPhotonic System Technologies
Research TopicsInternational Activities
Research areas：
Photonic System TechnologiesNanostructured Optoelectronic Materials and DevicesInterdisciplinary Photonic Sciences
Research group：
Jia-Hong Xu / Shu-Wei Zhang / Yi-Hsin Lin / Yun-Chorng Chang / Hyeyoung Ahn / Chia-Wei Sun / Ken Y. Hsu / You-Chia Chang / Jung Y. Huang / 

Interdisciplinary Photonic Sciences:
This research program is designed to cultivate the interdisciplinary research ability of the enrolled students.
      Fundamental research in photonics had been the benchmark program of the Institute of Electro-Optical Engineering since its establishment in 1980. The research of the photonic science group in DoP is directed to the scientific forefront by including coherent control of light-matter interaction, generation of coherent optical and tera-hertz radiation and their applications in characterizing novel materials and biomedical discipline.
                                                    

The open facility is equipped with valuable diagnostic tools. To assist laser diagnosis and signal monitoring, we had developed a novel complete-field technique for characterizing ultraweak optical signal. The new technique OPA-FROG involves a noncollinear optical parametric amplification (NOPA) process with high optical gain. This feature allows us to increase the detection sensitivity by several orders of magnitude with a sensitivity of 0.8 femto-joule per pulse and to characterize extremely weak optical signals.

       The key to a successful development of functional photonic devices lies in the fabrication and characterization. Valuable diagnostic tools not only improve our knowledge of photonic devices but also help to establish the design rules. In view of the impact, during the past year we had initiated an effort to develop a diagnostic platform for nanophotonic devices based on a combination of SNOM and heterodyne interferometry to reveal the full-field characteristics of photonic devices with engineered sub optical wavelength features to verify simulation results.