[1] PALMIERI L. Distributed optical fiber sensing based on rayleigh scattering[J]. The Open Optics Journal, 7, 104-127(2013).

[2] BAO X, CHEN L. Recent progress in distributed fiber optic sensors[J]. Sensors, 12, 8601-8639(2012).

[3] JUAREZ J C, MAIER E W, KYOO N C et al. Distributed fiber-optic intrusion sensor system[J]. Journal of Lightwave Technology, 23, 2081-2087(2005).

[4] [4] PARK J, LEE W, TAYL H F. Fiber optic intrusion sens with the configuration of an optical timedomain reflectometer using coherent interference of Rayleigh backscattering[C]Photonics China ’98, Beijing, China, 1998: 4956.

[5] LI W, BAO X, LI Y et al. Differential pulse-width pair BOTDA for high spatial resolution sensing[J]. Optics Express, 16, 21616(2008).

[6] NAZARATHY M, NEWTON S A, GIFFARD R P et al. Real-time long range complementary correlation optical time domain reflectometer[J]. Journal of Lightwave Technology, 7, 24-38(1989).

[7] JONES M D. Using simplex codes to improve OTDR sensitivity[J]. IEEE Photonics Technology Letters, 5, 822-824(1993).

[8] SAHU P K, GOWRE S C, MAHAPATRA S. Optical time-domain reflectometer performance improvement using complementary correlated prometheus orthonormal sequence[J]. IET Optoelectronics, 2, 128-133(2008).

[9] [9] MCMANUS H L. Control of space structure thermal defmation: An overview[C]1993 Nth American Conference on Smart Structures Materials, 1993: 545554.

[10] EICKHOFF W, ULRICH R. Optical frequency domain reflectometry in single-mode fiber[J]. Applied Physics Letters, 39, 693-695(1981).

[11] ZHANG Xinyu, JIANG Lili, SONG Ran. Application of 632 nm FMCW lidar for simultaneous velocity and distance measurement in humid environment[J]. Infrared and Laser Engineering, 53, 20240093(2024).

[12] FROGGATT M, MOORE J. High-spatial-resolution distributed strain measurement in optical fiber with Rayleigh scatter[J]. Applied Optics, 37, 1735(1998).

[13] CHEN Peng, ZHAO Jiguang, SONG Yishuo. Comparison on detection performance of FMCW and pulsed lidar in aerosol environment[J]. Infrared and Laser Engineering, 49, 20190399(2020).

[14] ZHANG Z, FAN X, HE Z. Long-range and wide-band vibration sensing by using phase-sensitive OFDR to interrogate a weak reflector array[J]. Optics Express, 28, 18387(2020).

[15] ZHONG H, FU C, LI P et al. Distributed high-temperature sensing based on optical frequency domain reflectometry with a standard single-mode fiber[J]. Optics Letters, 47, 882(2022).

[16] DU Y, JOTHIBASU S, ZHUANG Y et al. Rayleigh backscattering based macrobending single mode fiber for distributed refractive index sensing[J]. Sensors and Actuators B: Chemical, 248, 346-350(2017).

[17] DING Z, DU Y, LIU T et al. Distributed optical fiber current sensor based on magnetostriction in OFDR[J]. IEEE Photonics Technology Letters, 27, 2055-2058(2015).

[18] BOSCH T. Laser ranging: a critical review of usual techniques for distance measurement[J]. Optical Engineering, 40, 10(2001).

[19] KOSHIKIYA Y, FAN X, ITO F. Long range and cm-level spatial resolution measurement using coherent optical frequency domain reflectometry with SSB-SC modulator and narrow linewidth fiber laser[J]. Journal of Lightwave Technology, 26, 3287-3294(2008).

[20] LI J, DU J, WANG S et al. Improving the spatial resolution of an OFDR based on recirculating frequency shifter[J]. IEEE Photonics Journal, 7, 1-10(2015).

[21] ZHU T, LIN C, YANG J et al. Improve accuracy and measurement range of sensing in km-level OFDR using spectral splicing method[J]. Optics Express, 31, 20980(2023).

[22] YANG Q, XIE W, YANG J et al. Interval-locked dual-frequency φ-OFDR with an enhanced strain dynamic range and a long-term stability[J]. Optics Letters, 48, 5523(2023).

[23] XIE W, ZHOU Q, BRETENAKER F et al. Fourier transform-limited optical frequency-modulated continuous-wave interferometry over several tens of laser coherence lengths[J]. Optics Letters, 41, 2962(2016).

[24] CAMPBELL J F, LIN B, NEHRIR A R et al. Super-resolution technique for CW lidar using Fourier transform reordering and richardson–lucy deconvolution[J]. Optics Letters, 39, 6981-6984(2014).

[25] SANTAMARÍA I, PANTALEÓN C, IBAñEZ J. A comparative study of high-accuracy frequency estimation methods[J]. Mechanical Systems and Signal Processing, 14, 819-834(2000).

[26] XIE Weilin, DONG Yi, ZHOU Qian. Phase noise analysis of optical frequency domain reflectometry[J]. Acta Optica Sinica, 31, 0706003(2011).

[27] FAN X, KOSHIKIYA Y, ITO F. Phase-noise-compensated optical frequency-domain reflectometry[J]. IEEE Journal of Quantum Electronics, 45, 594-602(2009).

[28] TORRES‐COMPANY V, WEINER A M. Optical frequency comb technology for ultra‐broadband radio‐frequency photonics[J]. Laser & Photonics Reviews, 8, 368-393(2014).

[29] XIE W, ZHOU Q, ZHANG C et al. Coherent comb generation with continuous sweep of repetition rate over one-octave[J]. IEEE Photonics Technology Letters, 25, 2405-2407(2013).

[30] [30] KOSHIKIYA Y, FAN X, ITO F. Subcm spatial resolution reflectometry over 10 km based on phase noise compensated OFDR with third der sideb sweeping[C]2009 35th European Conference on Optical Communication, Vienna, Austria, 2009: 12.

[31] [31] XU D, DU J, FAN X, et al. 10times broadened fast optical frequency sweeping f high spatial resolution OFDR[C]Optical Fiber Communication Conference. San Francisco, Califnia: OSA, 2014: 13.

[32] WANG B, FAN X, WANG S et al. Millimeter-resolution long-range OFDR using ultra-linearly 100 GHz-swept optical source realized by injection-locking technique and cascaded FWM process[J]. Optics Express, 25, 3514(2017).

[33] WEI F, LU B, WANG J et al. Precision and broadband frequency swept laser source based on high-order modulation-sideband injection-locking[J]. Optics Express, 23, 4970(2015).

[34] XIE W, MENG Y, FENG Y et al. Optical linear frequency sweep based on a mode-spacing swept comb and multi-loop phase-locking for FMCW interferometry[J]. Optics Express, 29, 604(2021).

[35] WANG J, CHEN D, CAI H et al. Fast optical frequency sweeping using voltage controlled oscillator driven single sideband modulation combined with injection locking[J]. Optics Express, 23, 7038(2015).

[36] LU B, PAN Z, WANG Z et al. High spatial resolution phase-sensitive optical time domain reflectometer with a frequency-swept pulse[J]. Optics Letters, 42, 391(2017).

[37] LIU Z, SLAVIK R. Optical injection locking: from principle to applications[J]. Journal of Lightwave Technology, 38, 43-59(2020).

[38] CONNOR Skehan J, KARLSSON M, ANDREKSON P A. Phase-locked, pre-amplified optical injection locking at low input powers[J]. Optics Express, 32, 1956(2024).

[39] XIE W, XIA Z, ZHOU Q et al. Photonic generation of low phase noise arbitrary chirped microwave waveforms with large time-bandwidth product[J]. Optics Express, 23, 18070(2015).

[40] PEDERSEN P C. Digital generation of coherent sweep signals[J]. IEEE Transactions on Instrumentation and Measurement, 39, 90-95(1990).

[41] VASILYEV A, SATYAN N, XU S et al. Multiple source frequency-modulated continuous-wave optical reflectometry: theory and experiment[J]. Applied Optics, 49, 1932(2010).

[42] [42] VASILYEV A, SATYAN N, RAKULJIC G, et al. Terahertz chirp generation using frequency stitched VCSELs f increased LIDAR resolution[C]Conference on Lasers ElectroOptics 2012. San Jose, Califnia: OSA, 2012: 12.

[43] DILAZARO T, NEHMETALLAH G. Multi-terahertz frequency sweeps for high-resolution, frequency-modulated continuous wave ladar using a distributed feedback laser array[J]. Optics Express, 25, 2327(2017).

[44] DILAZARO T, NEHMETALLAH G. Large-volume, low-cost, high-precision FMCW tomography using stitched DFBs[J]. Optics Express, 26, 2891(2018).

[45] SUN L, ZHOU X, ZHAO H et al. Broadband high-linear FMCW light source based on spectral stitching[J]. Photonics, 11, 477(2024).

[46] LI C, ZHANG F, QU X. High-resolution frequency-modulated continuous-wave LiDAR using multiple laser sources simultaneously scanning[J]. Journal of Lightwave Technology, 41, 367-373(2023).

[47] LU Z, YANG T, LI Z et al. Broadband linearly chirped light source with narrow linewidth based on external modulation[J]. Optics Letters, 43, 4144(2018).

[48] WEN L, WANG Z, ZHANG L et al. Frequency quasi-linear swept light source based on multi-frequency time-matched spectrum stitching[J]. IEEE Photonics Journal, 12, 1-8(2020).

[49] WAN M, WANG L, LI F et al. Rapid, k-space linear wavelength scanning laser source based on recirculating frequency shifter[J]. Optics Express, 24, 27614(2016).

[50] YIN Z, ZHANG X, LIU C et al. Wideband reconfigurable signal generation based on recirculating frequency-shifting using an optoelectronic loop[J]. Optics Express, 29, 28643(2021).

[51] KUSE N, FERMANN M E. Frequency-modulated comb LIDAR[J]. APL Photonics, 4, 106105(2019).

[52] WANG X, MA J, ZHANG Q et al. Generation of linear frequency-modulated signals with improved time-bandwidth product based on an optical frequency comb[J]. Applied Optics, 58, 3222(2019).

[53] LI J, XUE X, YANG B et al. Broadband linear frequency-modulated waveform generation based on optical frequency comb assisted spectrum stitching[J]. Optics Express, 30, 24145(2022).

[54] HUBER R, WOJTKOWSKI M, FUJIMOTO J G. Fourier domain mode locking (FDML): a new laser operating regime and applications for optical coherence tomography[J]. Optics Express, 14, 3225(2006).

[55] YAMAGUCHI T, ENDO W, SHINODA Y. High-speed interrogation system for fiber bragg gratings with buffered fourier domain mode-locked laser[J]. IEEE Sensors Journal, 21, 16659-16669(2021).

[56] HSU K, MEEMON P, LEE K S et al. Broadband fourier-domain mode-locked lasers[J]. Photonic Sensors, 1, 222-227(2011).

[57] KLEIN T, WIESER W, REZNICEK L et al. Multi-MHz retinal OCT[J]. Biomedical Optics Express, 4, 1890(2013).

[58] ZHANG X, POULS J, WU M C. Laser frequency sweep linearization by iterative learning pre-distortion for FMCW LiDAR[J]. Optics Express, 27, 9965(2019).

[59] YAO Z, MAULDIN T, HEFFERMAN G et al. Digitally integrated self-trained predistortion curve finder for passive sweep linearization of semiconductor lasers[J]. IEEE Journal of Selected Topics in Quantum Electronics, 25, 1-5(2019).

[60] CAO X, WU K, LI C et al. Highly efficient iteration algorithm for a linear frequency-sweep distributed feedback laser in frequency-modulated continuous wave lidar applications[J]. Journal of the Optical Society of America B, 38, 8(2021).

[61] CHEN H, ZHAO L, HU L et al. Interpolation linearization predistortion technology for FMCW LiDAR[J]. Applied Optics, 63, 1538(2024).

[62] ZHONG H, FU C, LI P et al. Ultra-linear broadband optical frequency sweep for a long-range and centimeter-spatial-resolution OFDR[J]. Optics Letters, 48, 4540(2023).

[63] JIANG H, KÉFÉLIAN F, LEMONDE P et al. An agile laser with ultra-low frequency noise and high sweep linearity[J]. Optics Express, 18, 3284(2010).

[64] [64] POPESCU A F, FURCH B. Status of the European developments f laser intersatellite communications[C]OELASE’93: Optics, ElectroOptics, & Laser Applications in Science& Engineering, Los Angeles, CA, 1993: 10.

[65] KANG H, LEE J, KIM Y J et al. Phase-locked synthetic wavelength interferometer using a femtosecond laser for absolute distance measurement without cyclic error[J]. Sensors, 23, 6253(2023).

[66] YANG Q, XIE W, WANG C et al. Dynamic strain sensing using Doppler-shift-immune phase-sensitive OFDR with ultra-weak reflection array and frequency-tracking[J]. Optics Express, 32, 44816(2024).

[67] HAUSER M, HOFBAUER M. FPGA-based EO-PLL with repetitive control for highly linear laser frequency tuning in FMCW LIDAR applications[J]. IEEE Photonics Journal, 14, 1-8(2022).

[68] JUNCAR P, PINARD J. A new method for frequency calibration and control of a laser[J]. Optics Communications, 14, 438-441(1975).

[69] CHEN Y T. Use of single-mode optical fiber in the stabilization of laser frequency[J]. Applied Optics, 28, 2017(1989).

[70] BOGGS B, GREINER C, WANG T et al. Simple high-coherence rapidly tunable external-cavity diode laser[J]. Optics Letters, 23, 1906(1998).

[71] CROZATIER V, GORJU G, BRETENAKER F et al. Phase locking of a frequency agile laser[J]. Applied Physics Letters, 89, 261115(2006).

[72] GORJU G, JUCHA A, JAIN A et al. Active stabilization of a rapidly chirped laser by an optoelectronic digital servo-loop control[J]. Optics Letters, 32, 484(2007).

[73] ROOS P A, REIBEL R R, BERG T et al. Ultrabroadband optical chirp linearization for precision metrology applications[J]. Optics Letters, 34, 3692(2009).

[74] SATYAN N, VASILYEV A, RAKULJIC G et al. Precise control of broadband frequency chirps using optoelectronic feedback[J]. Optics Express, 17, 15991(2009).

[75] ZHANG L, XIE W, FENG Y et al. Fourier and inverse Fourier transform model for delayed self-interferometry system[J]. IEEE Photonics Journal, 12, 1-11(2020).

[76] ZHANG L, XIE W, FENG Y et al. Modeling and optimization of an unbalanced delay interferometer based OPLL system[J]. Optics Express, 30, 1994(2022).

[77] QIN J, ZHANG L, XIE W et al. Ultra-long range optical frequency domain reflectometry using a coherence-enhanced highly linear frequency-swept fiber laser source[J]. Optics Express, 27, 19359(2019).

[78] FENG Y, XIE W, MENG Y et al. High-performance optical frequency-domain reflectometry based on high-order optical phase-locking-assisted chirp optimization[J]. Journal of Lightwave Technology, 38, 6227-6236(2020).

[79] MENG Y, XIE W, FENG Y et al. Dynamic range enhanced optical frequency domain reflectometry using dual-loop composite optical phase-locking[J]. IEEE Photonics Journal, 13, 1-7(2021).

[80] BAI Y, XIE W, LIU S et al. Remote vectorial vibration sensing based on locally stabilized Mach–Zehnder interferometers using multi-core fiber and optical phase-locking[J]. Optics Letters, 48, 2369(2023).

[81] ZHANG Xuping, HU Junhui, ZHANG Yixin. A hybrid single-end-access BOTDA and COTDR sensing system using heterodyne detection[J]. Journal of Lightwave Technology, 31, 1954-1959(2013).

[82] WU H, GAN D, XU C et al. Improved generalization in signal identification with unsupervised spiking neuron networks for fiber-optic distributed acoustic sensor[J]. Journal of Lightwave Technology, 40, 3072-3083(2022).

[83] IP E, FANG J, LI Y et al. Distributed fiber sensor network using telecom cables as sensing media: technology advancements and applications [Invited][J]. Journal of Optical Communications and Networking, 14, A61(2022).