Pulse-by-pulse single-shot optical spectrum analyzer developed on a single platform

Hideaki Furukawa; Takeshi Makino; Xiaomin Wang; Tetsuya Kobayashi; Bahram Jalali; Dale Capewell; Mohammad H. Asghari; Wai Sing Man; Kwong Shing Tsang; Naoya Wada

doi:10.1117/12.2510008

4 March 2019 Pulse-by-pulse single-shot optical spectrum analyzer developed on a single platform

Hideaki Furukawa, Takeshi Makino, Xiaomin Wang, Tetsuya Kobayashi, Bahram Jalali, Dale Capewell, Mohammad H. Asghari, Wai Sing Man, Kwong Shing Tsang, Naoya Wada

Author Affiliations +

Proceedings Volume 10903, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IV; 109030E (2019) https://doi.org/10.1117/12.2510008
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

Pulse-by-pulse single-shot spectrum measurement can be realized using the time stretch dispersive Fourier Transform technique. In this paper, we report a fully integrated and modular pulse-by-pulse single-shot optical spectrum analyzer (PS-OSA) system. Many modules including a picosecond gain-switched laser, multiple fibers with different chromatic dispersions, high-power optical amplifiers, a clock-generator, a photodetector and a digitizer are integrated into a main-frame. These modules are standard in size and can be replaced to improve the performance or changed to adapt the system to different applications. Here, we present the specification of this single-platform PS-OSA and successfully demonstrate high throughput measurement of the transmission spectrum of electroabsorption optical modulators with 11.7 ns refresh time.

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Hideaki Furukawa, Takeshi Makino, Xiaomin Wang, Tetsuya Kobayashi, Bahram Jalali, Dale Capewell, Mohammad H. Asghari, Wai Sing Man, Kwong Shing Tsang, and Naoya Wada "Pulse-by-pulse single-shot optical spectrum analyzer developed on a single platform", Proc. SPIE 10903, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IV, 109030E (4 March 2019); https://doi.org/10.1117/12.2510008

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KEYWORDS

Optical fibers

Picosecond phenomena

Singular optics

Spectral resolution

Spectrum analysis

Modulators

Optical amplifiers

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