Simultaneous optical transmission of pulse amplitude modulation and discrete multitone signals in passive optical link using derivative and subtractive equalization

2021 ◽  
Vol 60 (11) ◽  
Author(s):  
Yong-Yuk Won ◽  
Sang M. Yoon ◽  
Jeungmo Kang ◽  
Dongsun Seo
Keyword(s):  
Amplitude Modulation ◽  
Optical Transmission ◽  
Pulse Amplitude ◽  
Pulse Amplitude Modulation ◽  
Optical Link ◽  
Discrete Multitone

scholarly journals Inverted p-down Design for High-Speed Photodetectors

Photonics ◽  
2021 ◽  
Vol 8 (2) ◽  
pp. 39
Author(s):  
Masahiro Nada ◽  
Fumito Nakajima ◽  
Toshihide Yoshimatsu ◽  
Yasuhiko Nakanishi ◽  
Atsushi Kanda ◽  
...  
Keyword(s):  
Amplitude Modulation ◽  
Optical Communications ◽  
High Speed ◽  
Pulse Amplitude ◽  
Avalanche Photodiode ◽  
Device Fabrication ◽  
Pulse Amplitude Modulation ◽  
Optical Coupling ◽  
Pin Photodiodes

We discuss the structural consideration of high-speed photodetectors used for optical communications, focusing on vertical illumination photodetectors suitable for device fabrication and optical coupling. We fabricate an avalanche photodiode that can handle 100-Gbit/s four-level pulse-amplitude modulation (50 Gbaud) signals, and pin photodiodes for 100-Gbaud operation; both are fabricated with our unique inverted p-side down (p-down) design.

scholarly journals Differential pulse-amplitude modulation signalling for free-space optical communications

2019 ◽  
Vol 13 (4) ◽  
pp. 155-160 ◽  
Author(s):  
Mohammad Taghi Dabiri ◽  
Seyed Mohammad Sajad Sadough ◽  
Mohammad Ali Khalighi
Keyword(s):  
Amplitude Modulation ◽  
Optical Communications ◽  
Free Space ◽  
Pulse Amplitude ◽  
Differential Pulse ◽  
Pulse Amplitude Modulation ◽  
Free Space Optical
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