Contents

Topics of research. 3

A text book by Prof Bisht. 3

Optical parametric amplification. 3

Dark Core beams, Sum frequency generation, FROG, SPIDER, and fluorescence upconversion. 5

Whispering gallery modes (WGMs) and cavity induced enhancement/ inhibition. 6

Distributed feedback dye lasers, Multiphoton dye lasers, New dyes probes, porphyrines. 7

Carbon nanotubes and Graphene , quantum dots, plasmonics with metal naoparticles. 9

Self-phase modulation, femtosecond white light continuum (WLC) generation, Third order optical nonlinearity, nonlinear optics. 11

Orientational relaxation of molecules. 12

Energy transfer, Charge transfer,  dye lasers. 12

Fibre lasers (figure of eight laser). 12

B. Experimental Techniques. 13

(I) Time-correlated single photon counting technique. 13

(II). Autocorrelation & SPIDER.. 13

(III). Laser induced transient grating. 13

C. Other. 14

a.1. Under Supersonic free jet 14

a.2. Condensed phase. 14

(b). ESIPT under high pressure. 14

(c). Absorption and luminescence at low temperature (10K, 80K). 14

(d). Solvated electron in Indole. 15

(e). ESIPT under supersonic free jet: LIF decay rate modifications. 15

D. Patents. 15

 

Topics of research

A text book by Prof Bisht

An Introduction to Photonics and Laser Physics with Applications  published by IoP (UK): >  1000 downloads in one year.

 

Optical parametric amplification

·         Sum and difference frequency generation of white light continuum with the ps pulses of Nd+3:YAG laser in a thick BBO crystal, A. Nautiyal, P. B. Bisht, Optics Communications, 278 (2007) 175-179.

·         Conical emission in β-barium borate under femtosecond pumping with phase matching angles away from second harmonic generation, S. Akbar Ali, P. B. Bisht*, A. Nautiyal, V. Shukla, K. S. Bindra and S. M. Oak, J. Opt. Soc. Am. B 27 (2010) 1751-1755.

·         Effects of thickness of β-barium borate and angle of non-collinearity on the fs pulse generation by optical parametric amplification, A. Nautiyal, P. B. Bisht, , K. S. Bindra and S. M. Oak, Optics & Laser Technology 41(2009)539-544.

·         Ultrafast tunable femtosecond pulse generation by chirped sum frequency mixing, S. Akbar Ali, P. B. Bisht, International Conference on Fibre Optics and Photonics, Chennai, India, 2012; p MPo.7

 

 

 

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Fig2_photos_numbered

Dark Core beams, Sum frequency generation, FROG, SPIDER, and fluorescence upconversion

·         Soumyodeep Dey, Sailaja Rallabandi, Surendra Singh and Prem Bisht, Study of a dark core beam generated by nonlinear thermo-optical effect,
Optics and Laser Tech, 134 (2021)106652-60,
Details: https://doi.org/10.1016/j.optlastec.2020.106652

·          Broadly tunable parametric line emission from β- barium borate on pumping with picosecond pulses, A. Nautiyal, P. B. Bisht, Optics Communications 281 (2008) 3351-3355.

·         Tunable femtosecond pulses in 375–405 nm region with Ti:sapphire oscillator by chirped sum frequency, S. Akbar Ali, Prem B. Bisht & Basanth S. Kalanoor, J Optics (Springer), DOI 10.1007/s12596-014-0214-9, 2014.

·         Dynamical aspects of ultrafast intermolecular electron transfer faster than solvation process: substituent effects and energy gap dependence, Y. Nagasawa, A. P. Yartsev, K. Tominaga, P. B. Bisht, A. E. Johnson and K. Yoshihara,J. Physical Chemistry 99, 653-662 (1995).

Holey_beam_1Holey_beam_2

 

Fig5

Whispering gallery modes (WGMs) and cavity induced enhancement/ inhibition

1.       Tulika Agrawal, Shubhayan Bhattacharya, Vijay Kumar Sagar and Prem B. Bisht, Radiative rate inhibition in fluorescent nanodiamonds-microcavity system, J. Luminescence 234 (2021) 117963-71.

  1. Shubhayan Bhattacharya, Aneesh V. Veluthandath, C. C. Huang, Ganapathy S. Murugan and Prem B. Bisht, Effect of coating few-layer WS2 on the Raman spectra and whispering gallery modes of a microbottle resonator,
    J. Optics 2020_(22)_10500 Details: https://doi.org/10.1016/j.optlastec.2020.106652 (Click here for PDF access))
  2. Aneesh V. Veluthandath, Shubhayan Bhattacharya, Ganapathy Senthil Murugan and Prem B Bisht, Fano resonances and photoluminescence in self-assembled high Q microbottle resonators, IEEE Photonics Technology Letters, 31 (3) (2019) 226-229.
  3.  Shubhayan Bhattacharya, Aneesh V. Veluthandath, and Prem B. Bisht, Whispering gallery modes in photoluminescence of ruthenium bipyridine in coated microcavities, Materials Research Express , 5 (12) (2018) 126201.
  4. Aneesh V. Veluthandath, Sudhakara R. Bongu, Sundara Ramaprabhu and Prem B. Bisht,Cavity induced fluorescence enhancement of graphitic carbon nitride submicron flakes, Materials Research Express 4 (1), 015015 (2017).

6.       Aneesh V. Veluthandath, Prem B. Bisht, Radiative rate modification in CdSe quantum dot-coated microcavity, Journal of Applied Physics, 118 (2015) 233102.

  1. Aneesh V. Veluthandath and Prem B Bisht , Identification of Whispering Gallery Mode (WGM) coupled photo-luminescence and Raman modes in complex spectra of MoS2 in Polymethyl methacrylate (PMMA) microspheres, J. of Lumin.187 (2017) 255-259.

8.       V. R. Dantham and P. B. Bisht, Influence of whispering gallery modes (WGMs) on energy transfer, Chem. Phys 388 (2011 )38-42.

  1. V. R. Dantham, P. B. Bisht* and C. K. R. Namboodiri, Enhancement of Raman scattering by two orders of magnitude using photonic nanojet of a microsphere, J. Appl. Physics, 109 (2011)103103.

  2. V. Ramanaiah Dantham and, Prem B. Bisht, P. s. Dobhal, Whispering gallery modes and effect of coating on Raman spectra of single microspheres, (WGMs), J. Raman Spectroscopy,42(2011)1373-1378.

  3. V. Ramanaiah Dantham and, Prem B. Bisht, Modification of radiative rates of molecules coated on a single microcavity by evanescent coupling of whispering gallery modes, Eur. Phys. J. Appl. Phys. 51 (2010) 20902.
  4. Venkata Ramanaiah and P. B. Bisht, High-Q whispering gallery modes of doped and coated single microspheres and their effect on radiative rate, J. Opt. Soc. Am. B 26(2009)290.

image003

  1. P. Sandeep and P. B. Bisht, Concentration sensing based on radiative rate enhancement from a single microcavity, Chem. Phys. Letters 415, 15-19 (2005).

  2. P. Sandeep and P. B. Bisht, Photophysics of 9-amino acridine hydrochloride hydrate single microcrystals, Chemical Physics 326 pp.521-526, (2006).

  3. Prem B. Bisht, Kazuhiro Fukuda and Satoshi Hirayama; Steady-state and time-resolved spectroscopy of some dyes in polymer microspheres showing morphology dependent resonances; J. Chemical Physics 105, 9349- 9361 (1996).

  4. . P. Sandeep and P. B.Bisht, Effect of adsorbed concentration on the radiative rate enhancement of photo-excited molecules embedded in single microspheres, J. Chemical Physics 123, pp 204713-204720, (2005).
  5. Raju, S. C.; Namboodiri, R. C.; Bisht, P. B., Whispering gallery modes of microcavities for sensing Applications, International Conference on Fibre Optics and Photonics, Chennai, India, 2012; p MPo.7

Fig 1

 

Fig 9

 

 

Distributed feedback dye lasers, Multiphoton dye lasers, New dyes probes, porphyrines

 

·         Enhanced two photon absorption cross section and optical nonlinearity of a quasi-octupolar molecule” C. K. R. Namboodiri, S. R. Bongu, P. B. Bisht, R. Mukkamala, B. Chandra, I. S. Aidhen, T. J. Kelly, and J. T. Costello, J. Photochem. Photobiol. A: Chemistry 314 (2016) pp. 60-65.

·         Mixed β-Pyrrole Substituted meso-Tetraphenylporphyrins and Their Metal Complexes: Optical Nonlinearity using Degenerate Four Wave Mixing Technique", Basanth Kalanoor, Prem B. Bisht*, Kailash C. Jena,Velkannan Veerapadian, P. Bhyrappa, J. Phys. Chem. :A 117 (2013) 8216-8221

·         Solvatochromism, multiphoton fluorescence, and resonance energy transfer in a new octupolar dye-pair, C. K. R. Namboodiri, P. B. Bisht, R. Mukkamala, B. Chandra and I. S. Aidhen, Chemical Physics 415 (2013) 190-195.

·         A new Distyrylbenzene Derivative with Weinreb Amide Functionality: An Efficient Laser Dye and Nonlinear Optical material, Basanth S. Kalanoor, Prem B. Bisht, Senthilmurugan Annamalai, Indrapal Singh Aidhen, , Journal of Luminescence 129(2009)1094-1098.

·         Tunable multiline distributed feedback dye laser based on the phenomenon of excitation energy transfer, Rallabandi Sailaja and Prem B. Bisht,
Organic Electronics, 8 (2007) 75-183.

·         Influence of multiphoton events in measurement of two-photon absorption cross-sections and optical nonlinear parameters under femtosecond pumping,
R. Sailaja, Prem B. Bisht, C. P. Singh, K. S. Bindra and S. M. Oak, Optics Communications 277 (2007) 433-439.

·         Upconversion dye lasers: Experiments and theoretical simulations on lasing by single and multiphoton pumping under ns and ps excitation,
Rallabandi Sailaja and Prem B. Bisht, Laser Horizon 7, 17-22 (2004).

 

 

 

 

 

 

 

Carbon nanotubes and Graphene , quantum dots, plasmonics with metal naoparticles

 

1.       Vijay Kumar Sagar, Shubhayan Bhattacharya, Soumyodeep Dey and Prem B. Bisht, Optical characterization of graphene-f-o-phenylenediamine and charge transfer interaction with organic dye,Carbon 166 (2020) 15-25. Details: https://doi.org/10.1016/j.carbon.2020.05.026.

2.       Vijay Kumar Sagar, Aneesh V. Veluthandath, and Prem B. Bisht, Photoluminescence enhancement of organic dye by graphene quantum dots
J. Photochem. Photobiol. A: Chemistry 400 (2020)112614-112620. Details: https://doi.org/10.1016/j.jphotochem.2020.112614

3.       Shubhayan Bhattacharya, Aneesh V. Veluthandath, Ganapathy Senthil Murugan and Prem B. Bisht, Temperature dependence of whispering gallery modes of quantum dot-doped microbottle resonators, J. Luminescence 221 (2020)117050.

4.       Aneesh V. Veluthandath, Prem B. Bisht,
Radiative rate modification in CdSe quantum dot-coated microcavity
Journal of Applied Physics,
118 (2015) 233102.

 

5.       Sudhakara Reddy Bongu, Aneesh V. Veluthandath, B. R. K. Nanda, Sundara Ramaprabhu, and Prem B. Bisht,
Control over the charge transfer in dye-nanoparticle decorated graphene
Chem. Phys. Letters 644 (2016) 176-182.

6.      Effect of complex formation on nonlinear optical parameters of dye-graphene system”, Sudhakara Reddy Bongu, Prem B. Bisht,* Basanth Kalanoor, Raman C. K. Namboodiri, Pranati Nayak, Sundara Ramaprabhu,
J. Photochem. Photobiol. A: Chemistry 299 (2015), pp. 54-61.

7.      Influence of localized surface plasmons on Pauli blocking and optical limiting in graphene under femtosecond pumping, Sudhakara R. Bongu1, Prem B. Bisht,1,a) Raman Namboodiri,1 Pranati Nayak1, S. Ramaprabhu,1Thomas J. Kelly,2 Colm Fallon,2 and John T. Costello2 J. Appl. Physics 116 (2014) 073101.

8.      Enhanced SWIR third order nonlinearity of gold nanoparticle embedded ZnO thin films, B. S. Kalanoor , S. A. Ali, P. B. Bisht*,A. Patra and S. Kasiviswanathan, J. Opt. Soc. Am. B 30 (2013) 2226-2232.

9.      Optical nonlinearity of silver decorated graphene, B. S. Kalanoor , S. A. Ali, P. B. Bisht*, T. T. Baby, S. Ramaprabhu, J. Opt. Soc. Am. B 29 (2012) 669 - 675.

10.  Restricting charge transfer in dye-graphene system,V. R. Dantham, P. B. Bisht*, B. S. Kalanoor, T. T. Baby, S. Ramaprabhu, Chem. Phys. Letters 521 (2012) 130-133

11.  Study of optical nonlinearity of functionalised multi-wall carbon nanotubes by using degenerate four wave mixing and Z-scan techniques,Kailash C. Jena, Prem B. Bisht, M. M. Shaijumon and S. Ramaprabhu, Optics Communications, 273, (2007) 153-158.

 

 

 

 

 

 

 

 

 

 

 

 


 

 

Self-phase modulation, femtosecond white light continuum (WLC) generation, Third order optical nonlinearity, nonlinear optics

 

1.       Soumyodeep Dey, Sugandh Sirohi, Surendra Singh, Prem B. Bisht, Ring shaped fs supercontinuum with thermally induced self-diffraction effect, Appl. Opt. 61(32), 9755-9761 (2022).

2.       Soumyodeeep Dey , Sudhakara Reddy Bongu , Prem B. Bisht, Broad band nonlinear optical parameter measurements using a single white light Z-scan, Journal of Applied Physics 121 (2017) 113107

3.       C. K. R. Namboodiri, S. R. Bongu, P. B. Bisht, R. Mukkamala, B. Chandra, I. S. Aidhen, T. J. Kelly, and J. T. Costello, Enhanced two photon absorption cross section and optical nonlinearity of a quasi-octupolar molecule
J. Photochem. Photobiol. A: Chemistry 314 (2016) pp. 60-65.

4.       Ambika Nautiyal and P. B. Bisht, Sum frequency generation and parametric amplification of white light Continuum generated from water-D2o mixture under Picosecond pumping, "Progress on Tunable Lasers for Ultrafast Processes and Applications, PTLUPA6" Dec. 21-22, 2006, IIT Madras, page 42-43.

5.       Umakanta Tripathy and Prem B. Bisht, Simultaneous estimation of optical nonlinear refractive and absorptive parameters by solvent induced changes in optical density, Optics Communication. 261 (2006) pp. 353–358.

6.       Study of optical nonlinearity of functionalised multi-wall carbon nanotubes by using degenerate four wave mixing and Z-scan techniques, Kailash C. Jena, Prem B. Bisht, M. M. Shaijumon and S. Ramaprabhu, Optics Communications, 273, (2007) 153-158.

7.       Influence of multiphoton events in measurement of two-photon absorption cross-sections and optical nonlinear parameters under femtosecond pumping, R. Sailaja, Prem B. Bisht, C. P. Singh, K. S. Bindra and S. M. Oak, Optics Communications 277 (2007) 433-439.

8.       Comparison of white light continuum generation under femtosecond and Picosecond pumping, R. Sailaja, S. Lochbrunner, E. Riedle and P. B. Bisht, Proc. of "Progress on Tunable Lasers for Ultrafast Processes and Applications, PTLUPA6" Dec. 21-22, 2006, IIT Madras, page 13-14

9.       Basanth S. Kalanoor, Prem B. Bisht, Wavelength dependent resonant nonlinearities in a standard saturable absorber IR26 on picosecond time scale,
Optics Communications (2010) (in Press).

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wlc_ring

 

 

Orientational relaxation of molecules

i). Excitation energy transfer in a weakly coupled system: Studies with time-resolved fluorescence microscopy and laser induced transient grating techniques, K. Chandra Jena and P. B. Bisht, Chemical Physics 314 (2005) 179-188.

(ii). Theoretical and experimental studies on photophysical parameters of N; N-bis(2,5,-di-tert- butylphenyl)-3,4:9-10-perylenebis(dicarboximide) (DBPI) by using transient grating technique, R. J. Rajesh and P. B. Bisht, Chem. Phys. Letters 357, 420-425 (2002).