activity
20202026
most citedA photonic integrated circuit based erbium-doped amplifier

391 citations · 738 across the 19 of their papers we have counts for

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Showing 2025Show all

8 papers · 1 filter

physics.optics2025★ 9 cited

High-pulse-energy integrated mode-locked lasers based on a Mamyshev oscillator

Zheru Qiu, Jianqi Hu, Xuan Yang +9

Ultrafast lasers have unlocked numerous advances across science and technology: they enable corneal surgery, reveal chemical reaction dynamics, and underpin optical atomic clocks.…

physics.optics2025★ 1 cited

Heterogeneously integrated lithium tantalate-on-silicon nitride modulators for high-speed communications

Jiachen Cai, Alexander Kotz, Hugo Larocque +7

Driven by the prospects of higher bandwidths for optical interconnects, integrated modulators involving materials beyond those available in silicon manufacturing increasingly rely…

physics.optics2025★ 3 cited

Narrow-linewidth, piezoelectrically tunable photonic integrated blue laser

Anat Siddharth, Asger B. Gardner, Xinru Ji +8

Frequency-agile lasers operating in the ultraviolet-to-blue spectral range (360-480 nm) are critical enablers for a wide range of technologies, including free-space and underwater…

physics.optics2025

Hyperparametric solitons in nondegenerate optical parametric oscillators

Haizhong Weng, Xinru Ji, Mugahid Ali +7

Dissipative solitons and their associated low-noise, chip-scale frequency combs hold great potential for applications in optical communications, spectroscopy, precision time-keepin…

physics.optics2025★ 12 cited

Copper-impurity-free photonic integrated circuits enable deterministic soliton microcombs

Xinru Ji, Xurong Li, Zheru Qiu +5

Chip-scale optical frequency combs based on microresonators (microcombs) enable GHz-THz repetition rates, broad bandwidth, compactness, and compatibility with wafer-scale manufactu…

physics.optics2025★ 3 cited

Integrated tunable green light source on silicon nitride

Gang Wang, Ozan Yakar, Xinru Ji +7

Integrated green light sources are essential for telecommunications and quantum applications, while the performance of current on-chip green light generation is still limited in po…

physics.optics2025★ 3 cited

Full C- and L-band tunable erbium-doped integrated lasers via scalable manufacturing

Xinru Ji, Xuan Yang, Yang Liu +8

Erbium (Er) ions are the gain medium of choice for fiber-based amplifiers and lasers, offering a long excited-state lifetime, slow gain relaxation, low amplification nonlinearity a…

physics.optics2025

Terabit-class coherent communications enabled by an integrated photonics erbium doped amplifier

Di Che, Stefano Grillanda, Yang Liu +7

Coherent technologies have revolutionized optical communications, driving the capacity per fiber to multi-terabit per second (Tb/s) in combination with wavelength division multiple…