Dynamic analysis of high-efficiency InP-based photodiode for 40 Gbit/s optical interconnect across a wide optical window (0.85 to 1.55 μm)

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題名:	Dynamic analysis of high-efficiency InP-based photodiode for 40 Gbit/s optical interconnect across a wide optical window (0.85 to 1.55 μm)
作者:	許晉瑋;Shi, Jin-Wei;Chi, Kai-Lun;Li, Chi-Yu;Wun, Jhih-Min
貢獻者:	資訊電機學院電機工程學系
關鍵詞:	Adaptive optics;Bandwidth;Frequency measurement;High-speed optical techniques;Optical Interconnect;Optical sensors;Optical variables measurement;Performance evaluation;Photodiode
日期:	2015-02-15
上傳時間:	2026-04-23 13:56:19 (UTC+8)
出版者:	IEEE
摘要:	摘要： The detailed dynamic analysis of novel high-speed InP-based photodiodes (PDs) has been performed. Such device can sustain an invariable high external efficiency (~74%; no antireflection coating) across a wide optical operation window (0.85 to 1.55 μm). Furthermore, compared with the traditional GaAs-based high-speed PD for optical interconnect applications, our proposed device structure can offer an enlarged device active diameter and eliminate the degradation in responsivity performance when the desired speed performance is increased. This is because the strong photoabsorption process and the elimination of slow hole drift in the In 0.53 Ga 0.47 As based collector layer at 0.85-μm wavelength operation. By measuring the dynamic performance of PDs with different active diameters across such wide optical window, we can accurately extract the electron drift-velocity under different wavelengths excitations in the In 0.53 Ga 0.47 As collector layer. This result indicates that at short-wavelength (0.85 μm) operation, the photogenerated electron in the In 0.53 Ga 0.47 As collector suffers from significant intervalley scattering effect due to its high excess energy. By using such device with diameter of optical window as large as 40 μm, 40 Gbit/s error-free transmissions have been successfully demonstrated through 5-km single-mode (SMF-28) and 0.1-km multimode (OM4) fibers at long- and short-wavelengths operations with reasonable sensitivity, respectively. 其他題名： JLT 出版者： IEEE 出版日期： 2015-02-15 出處： Journal of lightwave technology, 2015-02, Vol.33 (4), p.921-927 資源來源： IEEE Electronic Library (IEL) 識別號： ISSN: 0733-8724 識別號： EISSN: 1558-2213 識別號： DOI: 10.1109/JLT.2014.2364627 識別號： CODEN: JLTEDG
顯示於類別:	[電機工程學系] 期刊論文

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