Session Index

Optical Waveguides and Communications

Optical Waveguides and Communications I
Thursday, Dec. 2, 2021  13:15-15:00
Presider: Prof. Shuo-Yen Tseng
Room: 302b
13:15 - 13:30 Award Candidate (Paper Competition)
Manuscript ID.  0165
Paper No.  2021-THU-S0201-O001
Hsin Chiang High-speed Semipolar Micro-LED and Quantum Dot Phosphor Applied to Visible Light Communications
Hsin Chiang;Zhi-Wen Wu;Fang-Jyun Liou;T. S. Kao;Hao-Chung Kuo

An excellent semipolar (202 ̅1) 2*4 micro-LED array was fabricated through superior epitaxial technology and chip process. The quantum dot phosphor as a color-converter layer pumped by semipolar blue micro-LED array, realizing a white-light illumination with high color rendering and a high data rate for VLC.

13:30 - 13:45 Award Candidate (Paper Competition)
Manuscript ID.  0423
Paper No.  2021-THU-S0201-O002
Tsungkai Wu Design of Multiple Half-Spherical Lenses with Compound Parabolic Concentrator (CPC) for High Field-of-View (FOV) Visible Light Communication (VLC) Receiver
Tsungkai Wu;Yun-Han Chang;Chien-Hung Yeh;Chi-Wai Chow

We propose two designs and demonstrate by simulations using multiple half-spherical lenses with compound-parabolic-concentrators (CPCs) to enhance the field-of-view (FOV) of the visible-light-communication (VLC) receiver. Both proposed devices can provide a wide FOV > 60o with optical losses < 5.5 dB.

13:45 - 14:00 Award Candidate (Paper Competition)
Manuscript ID.  0606
Paper No.  2021-THU-S0201-O003
Ting-Yen Tsai High-Speed Volumetric Imaging with a Tunable MEMS-HCG VCSEL Light Source
Ting-Yen Tsai;Ting-Hao Chen;Hung-Kai Chen;Chuan-Bor Chueh;Po-Chuan Chen;Meng-Tsan Tsai;Michael C. Y Huang;Hsiang-Chieh Lee

In this study, we have developed a high-speed swept-source optical coherence tomography (SS-OCT) imaging system using an electrically-pumped 1060-nm, MEMS tunable HCG-VCSEL. A movable high-contrast grating (HCG) is used as the top mirror of the laser cavity, replacing conventional DBR design. The SS-OCT system allows an A-scan rate of 500 kHz, a detection sensitivity of 98 dB, and an axial resolution of 22 µm. In addition, it could support high-speed volumetric imaging of the sample architectures and subsurface tissue microvasculatures. The MEMS tunable HCG-VCSEL could further facilitate OCT application with a more compact footprint and potentially a lower cost.

14:00 - 14:15 Award Candidate (Applied Optoelectronics Competition)
Manuscript ID.  0014
Paper No.  2021-THU-S0201-O004
Chen-Xuan Liu A Bi-directional Fiber-FSO-5G MMW/5G NR sub-THz Convergence
Chen-Xuan Liu;Yan-Yu Lin;Yu-Ting Chen;Poh-Suan Chang;Ting Ko;Hai-Han Lu

A bi-directional fiber-FSO-5G MMW/5G NR sub-THz convergence with intensity-modulated downlink 40-Gb/s/100-GHz 5G NR sub-THz signals (x- and y-polarizations), and phase-modulated uplink 10-Gb/s/28-GHz and 10-Gb/s/24-GHz 5G MMW signals is constructed, by adopting a parallel/orthogonally polarized dual-carrier mechanism, phase modulators, and remote injection locking DFB LDs for demonstration.

14:15 - 14:30 Award Candidate (Applied Optoelectronics Competition)
Manuscript ID.  0013
Paper No.  2021-THU-S0201-O005
Ting Ko A 400-Gb/s WDM-PAM4 OWC System through the Free-Space Transmission with a Water-Air-Water Link
Ting Ko;Yan-Yu Lin;Yu-Ting Chen;Chen-Xuan Liu;Poh-Suan Chang;Hai-Han Lu

A 400-Gb/s WDM PAM4 OWC system through a 200-m free-space transmission with an 8.8-m/6.5-m piped/turbid water-air-water link is constructed. This demonstrated WDM-PAM4 OWC system outperforms existing OWC systems through free-space transmission with an air-water-air link because of its ability to resolve the practical engineering problems.

14:30 - 15:00
Manuscript ID.  0720
Paper No.  2021-THU-S0201-I001
Invited Speaker:
Andrea Fiore
Integrated optomechanical sensing
Andrea Fiore