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2017 SPIE Optics + Photonics, San diego, USA
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2017 SPIE Photonics West, San Francisco, USA
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2017 SPIE Photonics West, San Francisco, USA
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2018 CLEO, San Jose, United States
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2018 iMiD, Busan, Korea
2017 SPIE Optics + Photonics, San diego, USA
2017 SPIE Photonics West, San Francisco, USA
2017 SPIE Photonics West, San Francisco, USA
2018 CLEO, San Jose, United States
2018 iMiD, Busan, Korea