RIDGE WAVEGUIDE PATH AND LASER DEVICE

• Main Authors: HIROSAWA, Kenichi, YANAGISAWA, Takayuki, WATANABE, Yojiro, KAMEYAMA, Shumpei, SHODA, Fumio
• Format: Patent
• Language: English; French; Japanese
• Published: 20.06.2019
• Subjects: BASIC ELECTRIC ELEMENTS; DEVICES USING STIMULATED EMISSION; ELECTRICITY

In this invention, first cladding (4) having a lower refractive index than the refractive index of a core (2) is provided at an apical portion (3a) of a ridge structure section (3) formed on the core (2). This configuration allows for the elimination of signal loss which occurs concomitantly to a re...