光子学公开课第八十一期-上海交通大学苏翼凯教授-无源硅光平台：材料、器件加工及应用

New channel Chinese Laser Press: title sample judged 'pick' (Mostly genuine academic lectures and seminars on photonics/optics (a strong educational core), but mixed with award cere); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.