Research and development of 40 GHz bandwidth laser relative intensity noise measurement system using PID controller and ESA spectrum analyser

Authors

  • Hai Long Ngo*, Hoang Dat Luu, Dinh Chi Tran, Viet Hoang Do, Van Binh Le, Khac Thien Cao, Quoc Tuan Banh

Keywords:

ESA, laser, PID controller, relative intensity noise.

Abstract

Measurement system is essential. Relative intensity noise (RIN) is a parameter that directly affects the system quality. Therefore, RIN needs to be measured
periodically. This study presents a high-sensitivity, broadband (40 GHz) RIN measurement system using a precisely temperature-controlled photodetector and
an electrical spectrum signal analyser...

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Author Biography

  • Hai Long Ngo*, Hoang Dat Luu, Dinh Chi Tran, Viet Hoang Do, Van Binh Le, Khac Thien Cao, Quoc Tuan Banh

    Laboratory for Optical Fiber Laser Research Development and Application, National Center for Technological Progress

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Published

2022-10-14

Issue

Vol. 64 No. 10ĐB (2022): Tập 64 - Số 10ĐB - Tháng 10 năm 2022

Section

KHOA HỌC KỸ THUẬT VÀ CÔNG NGHỆ