Single-lane 200 Gbit/s photonic wireless transmission of multicarrier 64-QAM signals at 300 GHz over 30 m

Hongqi Zhang; Lu Zhang; Zuomin Yang; Hang Yang; Zhidong Lü; Xiaodan Pang; Oskars Ozolins; Xianbin Yu

doi:10.3788/COL202321.023901

Journals >Chinese Optics Letters >Volume 21 >Issue 2 >Page 023901 > Article

Chinese Optics Letters
Vol. 21, Issue 2, 023901 (2023)

Single-lane 200 Gbit/s photonic wireless transmission of multicarrier 64-QAM signals at 300 GHz over 30 m

Hongqi Zhang^1、2, Lu Zhang^1、2, Zuomin Yang², Hang Yang², Zhidong Lü², Xiaodan Pang³, Oskars Ozolins^3、4, and Xianbin Yu^1、2、*

Author Affiliations

¹Zhejiang Lab, Hangzhou 311121, China

²College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China

³Applied Physics Department, KTH Royal Institute of Technology, 10691 Stockholm, Sweden

⁴Networks Unit, RISE Research Institutes of Sweden, 16440 Kista, Sweden

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DOI: 10.3788/COL202321.023901 Cite this Article Set citation alerts

Hongqi Zhang, Lu Zhang, Zuomin Yang, Hang Yang, Zhidong Lü, Xiaodan Pang, Oskars Ozolins, Xianbin Yu. Single-lane 200 Gbit/s photonic wireless transmission of multicarrier 64-QAM signals at 300 GHz over 30 m[J]. Chinese Optics Letters, 2023, 21(2): 023901 Copy Citation Text

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Experimental configuration of the multicarrier photonics wireless transmission link. PC, polarization controller; IQ-MOD, in-phase and quadrature modulator; UTC-PD, unitraveling carrier photodiode; AWG, arbitrary waveform generator; LNA, low-noise amplifier; EDFA, erbium-doped fiber amplifier; VOA, variable optical attenuator; Pol., polarizer; DSO, digital storage oscilloscope; LO, local oscillator; inset (a), optical spectrum after the 50:50 optical coupler.

Fig. 1. Experimental configuration of the multicarrier photonics wireless transmission link. PC, polarization controller; IQ-MOD, in-phase and quadrature modulator; UTC-PD, unitraveling carrier photodiode; AWG, arbitrary waveform generator; LNA, low-noise amplifier; EDFA, erbium-doped fiber amplifier; VOA, variable optical attenuator; Pol., polarizer; DSO, digital storage oscilloscope; LO, local oscillator; inset (a), optical spectrum after the 50:50 optical coupler.

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Fig. 2. (a) Electrical spectrum of 64-QAM signals before downconversion; (b) picture of experimental setup.

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Fig. 3. Measured BER performance of three subcarriers after 30 m wireless transmission.

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Fig. 4. (a) Measured BER performance with increasing baud rate of three subcarriers; (b)–(d) constellation of SC_1, SC_2, and SC_3 at 12 Gbaud.

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Carrier (GHz)	Data Rate per Lane (Gbit/s)	Modulation Format	Transmission Distance (m)	Ref.
300	50	OOK	100	[8]
300	100	QPSK	0.1	[9]
350	100	16-QAM	2	[10]
300	128		0.5	[11]
450	132	PS-64-QAM	1.8	[12]
350	100.8	16-QAM-OFDM	26.8	[13]
408	131		10.7	[14]
300–500	80	16-QAM	0.5	[15]
320–380	155	PS-64-QAM-OFDM	2.8	[16]
300	202.5	64-QAM	30	This work

Table 1. Development Progress on Photonic THz Communication

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Link Parameters	Value
Operating frequency	300 GHz
Radiation THz power	$- 13 dBm$
Tx antenna directional gain	25 dBi
Tx antenna convergence gain	20 dBi
Free-space path loss	111.5 dB
Rx antenna convergence gain	20 dBi
Rx antenna directional gain	25 dBi
LNA gain	25 dB
Conversion loss	12 dB
Baseband amplified gain	12 dB