Study of excitons in microcrystallites: clearly resolved peaks by modulation spectroscopy and femtosecond dephasing resolved with incoherent light

Takayoshi Kobayashi; Shintaro Nomura; Kazuhiko Misawa

doi:10.1117/12.18136

1 May 1990 Study of excitons in microcrystallites: clearly resolved peaks by modulation spectroscopy and femtosecond dephasing resolved with incoherent light

Takayoshi Kobayashi, Shintaro Nomura, Kazuhiko Misawa

Author Affiliations +

Proceedings Volume 1216, Nonlinear Optical Materials and Devices for Photonic Switching; (1990) https://doi.org/10.1117/12.18136
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

The planar niicrolens (PML) is a 2-D integrated niicrolens array fabricated by the ion-exchange technique. This paper demonstrates light coupling between LD and optcal fiber using the planar inicrolens. In oder to accept the light power from LD effctively, two classes of High NA planar inicrolens are prepared. A coupled planar inicrolens and new planar inicrolens with swelled structure are evaluated. The minimum coulping loss between LD and single mode fiber was - 5.3 dB using planar muicrolens with the swelled stuctre. (Including 0. 71 dB of Fresnel loss)

Citation Download Citation

Takayoshi Kobayashi, Shintaro Nomura, and Kazuhiko Misawa "Study of excitons in microcrystallites: clearly resolved peaks by modulation spectroscopy and femtosecond dephasing resolved with incoherent light", Proc. SPIE 1216, Nonlinear Optical Materials and Devices for Photonic Switching, (1 May 1990); https://doi.org/10.1117/12.18136

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